CN107957219A - A kind of non-firer's delayed release device for connecting and unlocking for wire type separator - Google Patents
A kind of non-firer's delayed release device for connecting and unlocking for wire type separator Download PDFInfo
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- CN107957219A CN107957219A CN201711181227.0A CN201711181227A CN107957219A CN 107957219 A CN107957219 A CN 107957219A CN 201711181227 A CN201711181227 A CN 201711181227A CN 107957219 A CN107957219 A CN 107957219A
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- swing rod
- unlocking
- flywheel
- handed screw
- ratchet wheel
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- 230000003111 delayed effect Effects 0.000 title abstract 2
- 238000013268 sustained release Methods 0.000 claims description 23
- 239000012730 sustained-release form Substances 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims 7
- 238000010168 coupling process Methods 0.000 claims 7
- 238000005859 coupling reaction Methods 0.000 claims 7
- 238000000926 separation method Methods 0.000 abstract description 40
- 238000013102 re-test Methods 0.000 abstract 1
- 239000002360 explosive Substances 0.000 description 40
- 230000009471 action Effects 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
- F42B15/36—Means for interconnecting rocket-motor and body section; Multi-stage connectors; Disconnecting means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of non-firer's delayed release device for connecting and unlocking for wire type separator, including：Left-handed screw, right handed screw, housing, slow opening apparatus and tripper；Wherein, the slow opening apparatus is connected with the tripper；The slow opening apparatus and the tripper are arranged in the housing；The tripper enables to the slow opening apparatus to rotate；The left-handed screw is connected by the housing with the slow opening apparatus；The right handed screw is connected by the housing with the slow opening apparatus.The present invention improves the security of device, and has retest ability, while also reduces separation impact.
Description
Technical Field
The invention belongs to the technical field of carrier rocket payload separation structures, and particularly relates to a non-explosive sustained-release device for connecting and unlocking a linear separation device.
Background
The effective load separating device of the carrier rocket mainly comprises a point type separating device and a bag belt separating device, and the bag belt separating device has become the most widely applied separating device in the separation of the effective load of the mainstream carrier rocket at home and abroad due to the advantages of good connecting rigidity, high reliability, strong bearing capacity and the like.
The belting separation device mainly comprises 2 or more than 2 belting, a plurality of V-shaped clamping blocks, a column shaft, a separation fire element and other parts. The column shaft is arranged at two ends of the steel belt, and the inner side of the steel belt is provided with a V-shaped clamping block. After the carrier rocket is in butt joint with the effective load, the steel belt is surrounded on the outer edge of the butt joint surface, a plurality of belting are connected by using a separation initiating explosive element (an explosive bolt or a cutter), the belting is tensioned by a force applying device, and then a locking nut of the separation initiating explosive element (an explosive bolt or a cutter) is locked. After the wrapping belt applies pretightening force, the wrapping belt applies radial pressure to the V-shaped clamping block, the V-shaped clamping block generates normal force on the inclined plane of the butt joint frame, and the two connected parts are tightly pressed together by the V-shaped clamping block. During separation, the separation initiating explosive element works to instantly disconnect the connection between the wrapping belts, the pre-tightening force of the wrapping belts is relaxed, the energy of the butt joint frame is rapidly released to generate radial impact on the V-shaped clamping block, the V-shaped clamping block is rapidly separated from the butt joint frame, and the effective load is pushed away from the carrier rocket under the action of the separation spring, so that the star and arrow separation is realized.
Current strap separation devices typically rely on explosive bolts or cutters to break the connection between the straps. Because the work of the explosive bolt or the cutter realizes the material fracture instantly within hundreds of microseconds, the pretightening force of the wrapping belt and the strain energy of the butt joint frame are released instantly, the separation impact of the wrapping belt type separating device is overlarge, and hidden troubles are brought to the safety of effective loads and electronic instrument equipment on the carrier rocket. Meanwhile, since the explosive bolt or the cutter and other separated initiating explosive elements cannot be reused after working once, the unlocking and separation of the wrapping tape cannot be detected on the ground in advance, and the separation reliability is not improved.
Therefore, from the viewpoints of safety, reliability, usability, and the like, a tape separator having low impact, high reliability, and capability of being detected and measured before use has a very large application demand. It is desirable to provide a novel non-pyrotechnic low impact attachment release mechanism that may be used with a strap separation device.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of the prior art are overcome, the non-explosive sustained-release device for connecting and unlocking the line type separation device is provided, the safety of the device is improved, the repeated testing capability is realized, and the separation impact is reduced.
The purpose of the invention is realized by the following technical scheme: the invention provides a non-explosive sustained-release device for connecting and unlocking a line type separation device, which comprises: the left-handed screw, the right-handed screw, the shell, the slow opening device and the unlocking device; the slow opening device is connected with the unlocking device; the slow opening device and the unlocking device are arranged in the shell; the unlocking device can enable the slow opening device to rotate; the left-handed screw is connected with the slow opening device through the shell; the right-handed screw is connected with the slow opening device through the shell.
In the non-explosive sustained-release device for connecting and unlocking the line type separation device, the shell comprises a left end cover, a right end cover, a box cover and a box body; wherein, the box cover is connected with the box body; the left end cover is arranged on the box cover, and the left-handed screw is connected with the slow opening device through the left end cover; the right-hand end cover is arranged on the box body, and the right-hand screw rod is connected with the slow opening device through the right-hand end cover.
In the non-explosive sustained-release device for connecting and unlocking the line type separation device, the sustained-release device comprises a ratchet wheel turntable, a turntable bearing, a flywheel left bearing, a plurality of round pins, a flywheel right bearing, a volute spiral spring and a retainer; the flywheel is provided with circular grooves corresponding to the number of the circular pins along the circumferential direction of the flywheel; the flywheel is located in the middle, the retainer is sleeved on the flywheel, and a plurality of circular grooves of the flywheel correspond to a plurality of rectangular grooves in the circumferential direction of the retainer one by one; the end of the inner ring of the volute spiral spring is fixed on the outer ring of the retainer, a round pin is arranged in each rectangular groove of the retainer, and the volute spiral spring is wound on the outer ring of the retainer so that each round pin is embedded into the round groove corresponding to the flywheel; the outer ring end of the scroll spring penetrates through the inner cylindrical surface of the ratchet turntable and is fixed on the outer cylindrical surface of the ratchet turntable; the inner ring of the turntable bearing is arranged at one end of the retainer, and the ratchet turntable is sleeved on the outer ring of the turntable bearing; the left end and the right end of the flywheel are respectively arranged on the left flywheel bearing and the right flywheel bearing, the box body is arranged outside the right flywheel bearing, and the retainer is fixed on the box body through a flange hole of the retainer; the left-handed screw is connected with one end of the flywheel, and the right-handed screw is connected with the other end of the flywheel.
In the non-explosive sustained-release device for connecting and unlocking the linear separation device, the unlocking device comprises an unlocking swing rod shaft, a reset torsion spring, a ratchet wheel swing rod, an unlocking swing rod torsion spring, a trigger swing rod shaft, a trigger swing rod torsion spring and an unlocking swing rod; the reset torsion spring, the ratchet wheel swing rod, the unlocking swing rod and the unlocking swing rod torsion spring sequentially penetrate through the unlocking swing rod shaft, and the unlocking swing rod shaft is mounted on the box body in a communicating mode; the trigger swing rod and the trigger swing rod torsion spring sequentially penetrate through the trigger swing rod shaft, and the trigger swing rod shaft is installed on the box body; ratchets on the outer ring of the ratchet wheel rotating disc act on the inner side of the ratchet wheel swing rod to be protruded, and the ratchet wheel swing rod acts on the lower part of the unlocking swing rod through an outer side triangular boss; the two ends of the reset torsion spring are respectively arranged on the ratchet wheel swing rod and the unlocking swing rod, the two ends of the unlocking swing rod torsion spring are respectively arranged on the unlocking swing rod and the box body, and the two ends of the trigger swing rod torsion spring are respectively arranged on the trigger swing rod and the box body; the end part of the unlocking swing rod is embedded into the groove of the trigger swing rod.
In the non-explosive sustained-release device for connecting and unlocking the line type separation device, the number of the round pins is 8-10.
In the non-explosive sustained-release device for connecting and unlocking the line type separating device, the circular grooves are uniformly distributed along the circumferential direction of the flywheel.
In the non-explosive sustained-release device for connecting and unlocking the linear separation device, the left end cover is provided with a hexagonal hole, and the left-handed screw comprises a hexagonal body matched with the hexagonal hole.
In the above-mentioned non-firer sustained-release devices that are used for line formula separator to connect and unblock, the right-hand member lid is opened and is equipped with the hexagonal hole, dextrorotation screw rod include with the hexagonal body of hexagonal hole assorted.
In the non-explosive sustained-release device for connecting and unlocking the line type separation device, the unlocking swing rod shaft is installed on the box body through tail threads.
In the above non-explosive sustained release device for connecting and unlocking the wire type separation device, the trigger swing rod shaft is mounted on the box body through a tail thread.
Compared with the prior art, the invention has the following beneficial effects:
compared with the explosive bolt and the cutter adopted by the existing belt separation device, the belt separation device has the advantages that the non-explosive element is used for replacing an explosive workpiece, the safety of the device is improved, the repeated test capability is realized, and the separation impact is reduced. Meanwhile, the volute spiral spring, the round pin, the screw and the multi-thread threads of the flywheel can prolong the release time of the wrapping belt pretightening force, so that the separation impact is reduced. By designing the ratchet wheel and the swing rod reset mechanism, the product is easy to reset in ground test, and the use efficiency is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is an exploded view of a non-pyrotechnic sustained release device for connection and unlocking of a wire separation device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the connection state of the non-explosive sustained-release device for connecting and unlocking the line type separation device provided by the embodiment of the invention;
FIG. 3 is a partial schematic view of a non-pyrotechnic release device connection for connection and unlocking of a wire disconnect device in accordance with an embodiment of the present invention;
FIG. 4 is another partial schematic view of the non-pyrotechnic release devices coupled and unlocked for use with the wire disconnect device provided in accordance with an embodiment of the present invention;
FIG. 5 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention;
FIG. 6 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention;
FIG. 7 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention;
FIG. 8 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention;
FIG. 9 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention;
FIG. 10 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
FIG. 1 is an exploded view of a non-pyrotechnic sustained release device for connection and unlocking of a wire separation device according to an embodiment of the present invention; FIG. 2 is a schematic diagram of the connection state of the non-explosive sustained-release device for connecting and unlocking the line type separation device provided by the embodiment of the invention; FIG. 3 is a partial schematic view of a non-pyrotechnic release device connection for connection and unlocking of a wire disconnect device in accordance with an embodiment of the present invention; FIG. 4 is another partial schematic view of the non-pyrotechnic release devices coupled and unlocked for use with the wire disconnect device provided in accordance with an embodiment of the present invention; FIG. 5 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention; FIG. 6 is a further partial schematic view of a non-pyrotechnic release device connection for connection and disconnection of a wire disconnect device in accordance with an embodiment of the present invention.
As shown in fig. 1 to 6, the non-explosive sustained release device for connecting and unlocking a line type separation device provided in this embodiment includes a left-handed screw 1, a right-handed screw 2, a left end cap 3, a right end cap 4, a box cover 5, a box body 6, a ratchet wheel 7, a turntable bearing 8, a left flywheel bearing 9, a round pin 10, a flywheel 11, a right flywheel bearing 12, a volute spiral spring 13, a holder 14, an unlocking swing rod shaft 15, a reset torsion spring 16, a ratchet wheel swing rod 17, an unlocking swing rod torsion spring 18, a trigger swing rod shaft 19, a trigger swing rod 20, a trigger swing rod torsion spring 21, and an unlocking swing rod 22. The flywheel 11 is located at the middle position, and the retainer 14 is sleeved outside the flywheel 11, so that eight circular grooves in the circumferential direction of the flywheel 11 correspond to eight rectangular grooves in the circumferential direction of the retainer 14 one by one. The inner ring end of the spiral spring 13 is fixed on the outer ring of the retainer 14, a round pin 10 is arranged in each rectangular groove of the retainer 14, the spiral spring 13 is wound on the outer ring of the retainer 14 in a releasing mode, and the eight round pins 10 are embedded into the round grooves of the flywheel 11. The outer ring end of scroll spring 13 passes through the inner cylindrical surface of ratchet wheel 7 and is fixed to the outer cylindrical surface of ratchet wheel 7. The inner ring of the turntable bearing 8 is arranged at one end of the retainer 14, and the ratchet turntable 7 is sleeved on the outer ring of the turntable bearing 8. The left end and the right end of the flywheel 11 are respectively provided with a left flywheel bearing 9 and a right flywheel bearing 12, the box body 6 is arranged outside the right flywheel bearing 12, and the retainer 14 is fixed on the box body 6 through a flange hole thereof. The reset torsion spring 16, the ratchet wheel swing rod 17, the unlocking swing rod 22 and the unlocking swing rod torsion spring 18 sequentially penetrate through the unlocking swing rod shaft 15, and the unlocking swing rod shaft 15 is installed on the box body 6 through tail threads. The trigger swing rod 20 and the trigger swing rod torsion spring 21 sequentially penetrate through the trigger swing rod shaft 19, and the trigger swing rod shaft 19 is installed on the box body 6 through tail threads. Ratchets on the outer ring of the ratchet wheel rotating disc 7 act on the inner side protrusions of the ratchet wheel swing rod 17, and the ratchet wheel swing rod 17 acts below the unlocking swing rod 22 through the outer side triangular boss. Two ends of the reset torsion spring 16 are respectively connected with the ratchet wheel swing rod 17 and the elongated holes of the unlocking swing rod 22. Two ends of the unlocking swing rod torsion spring 18 are respectively connected with the unlocking swing rod 22 and the elongated hole of the box body 6. Two ends of the trigger swing rod torsion spring 21 are respectively connected with the trigger swing rod 20 and the elongated holes of the box body 6. The end of the unlocking rocker 22 engages in a recess of the trip rocker 20. Non-explosive trigger elements such as electromagnets, motors or memory alloy wires are fixedly installed through the two long circular grooves in the upper portion of the box body 6, and output force of the non-explosive trigger elements acts on the rectangular acting surface of the unlocking swing rod 22. The box cover 5 is arranged on the left bearing 9 of the flywheel, and the box cover 5 and the box body 6 are fixedly connected through screws. The left end cover 3 and the right end cover 4 are respectively arranged at two ends of the box cover 5 and the box body 6, the left-handed screw 1 and the right-handed screw 2 are respectively arranged in the flywheel 11 from the hexagonal holes on the left end cover 3 and the right end cover 4, and the two screws are in non-self-locking threaded connection with the flywheel 5.
After the assembly of the non-explosive sustained-release device is completed, the two ends of the left-handed screw 1 and the right-handed screw 2 are connected with the wrapping tape, and a pre-tightening torque is loaded on the wrapping tape to complete the connection function.
As shown in fig. 2 to 6, the non-pyrotechnic sustained release device of the present embodiment is in a connected state. The left-handed screw 1 and the right-handed screw 2 respectively penetrate through the hexagonal holes of the left end cover 3 and the right end cover 4 and are connected with the flywheel 11 through the non-self-locking threads at the end parts of the left-handed screw 1 and the right-handed screw 2. The pre-tightening force of the wrapping belt is loaded on the flywheel 11 along the axial direction through the left-handed screw 1 and the right-handed screw 2, and the flywheel 11 generates a rotary motion trend under the axial tension. The holder 14 is connected to the housing 6 by means of screw holes in its flange. The screws 8 are embedded in circular grooves in the circumference of the flywheel 11, and the flywheel is prevented from rotating by the retainer 14. The round pin 10 has a tendency to move outward along the 8 square holes in the circumferential direction of the cage 14 under the action of the radial component force of the round slot. The spiral spring 13 is wound outside the retainer 14, the inner ring of the spiral spring 13 is fixed with the retainer 14, the outer ring of the spiral spring 13 is fixed with the ratchet turntable 7, the spiral spring 13 is driven to be screwed by clockwise rotating the ratchet turntable 7, and the 8 round pins 10 are fastened in the round grooves of the flywheel 11, so that the flywheel 11 is prevented from rotating. The ratchet rotary disc 7 generates a reverse rotation trend under the action of the tension of the scroll spring 13. The ratchet wheel rotating disc 7 acts on the ratchet wheel swing rod 17 through the ratchets on the outer ring of the ratchet wheel rotating disc, the ratchet wheel swing rod 17 acts on the unlocking swing rod 22 through the boss, and the ratchet wheel rotating disc and the unlocking swing rod simultaneously generate a clockwise rotation trend around the unlocking swing rod shaft 15. The end of the unlocking swing rod 22 acts in the groove of the trigger swing rod 20, the acting force forms self-locking through the center of the rotating shaft of the trigger swing rod 20, and the trigger swing rod 20 cannot rotate freely, so that all parts in the device are limited to move, the self-locking of the whole device is realized, and the reliable connection of the device under the wrapping force is ensured.
As shown in fig. 7 and 8, the non-explosive sustained release device of this embodiment is in an unlocked state, and a non-explosive element such as an electromagnet, a motor, or a memory alloy wire is energized to output an acting force to push the trigger swing link 20 to rotate, after the trigger swing link 20 leaves the self-locking position, the trigger swing link 20 continues to rotate under the action of the unlocking swing link 22, and after the end of the unlocking swing link 22 leaves the groove of the trigger swing link 20, the unlocking swing link 22 and the ratchet swing link 17 rotate clockwise around the unlocking swing link shaft 15 under the action of the ratchet turntable 7 to unlock the ratchet turntable 7. The ratchet wheel rotating disc 7 rotates anticlockwise under the action of elastic potential energy of the volute spiral spring 13, meanwhile, the volute spiral spring 13 relaxes to release constraint on the round pin 10, the round pin 10 moves outwards along the rectangular groove of the retainer 14 to release constraint on the flywheel 11, the flywheel 11 rotates under the action of pretightening force of the left-handed screw 1 and the right-handed screw 2, meanwhile, the left-handed screw 1 and the right-handed screw 2 are disconnected with the flywheel 11, and therefore the wrapping tape unlocking is achieved. The invention reduces the belt separation impact by three measures, on one hand, the axial motion of the belt pre-tightening force acting on the left-handed screw 1 and the right-handed screw 2 is converted into the rotary motion of the flywheel 11 by utilizing the motion characteristic of spiral transmission to increase the release time of the pre-tightening force; on the other hand, the release time of the pre-tightening force is increased by utilizing the relaxation of the volute spiral spring 13 and the release of the round pin 10; in the third aspect, the non-initiating explosive device is used for pushing the trigger swing rod 20 to realize unlocking of the device, so that impact generated by work of initiating explosive devices is avoided.
As shown in fig. 9 and 10, the non-explosive slow release device of the present embodiment is in the resetting process, the power supply of the non-explosive element is cut off, the unlocking swing link 22 and the ratchet swing link 17 return to the initial position under the action of the unlocking swing link torsion spring 18, and the triggering swing link 20 returns to the initial position under the action of the triggering swing link torsion spring 21. The left-handed screw 1 and the right-handed screw 2 are connected with the flywheel 11 by penetrating through the hexagonal holes of the left end cover 3 and the right end cover 4 again, the ratchet turntable 7 is rotated clockwise, the ratchet turntable 7 drives the volute spiral spring 13 to be screwed, and the round pin 10 is embedded into the round groove of the flywheel again. At the moment, the ratchet swing rod 17 rotates under the stirring of the ratchets on the outer ring of the ratchet turntable 7, and the movement of the ratchet turntable 7 is not hindered. When the ratchet wheel rotary disc 7 drives the scroll spring 13 to be screwed in place, ratchets on the outer ring of the ratchet wheel rotary disc 7 act on the ratchet wheel swing rod 17 again, the whole device is in a locked state, and the resetting of the device is completed.
Specifically, in the connection state, the left-handed screw and the right-handed screw are respectively connected with the flywheel through the multiple threads at the end part of the screw, and the multiple threads are non-self-locking transmission threads and can convert the linear motion of the screws into the rotary motion of the flywheel. The pre-tightening force of the wrapping belt is loaded on the flywheel along the axial direction through the two screw rods, and the flywheel generates a rotating motion trend under the axial tension of the two screw rods. 8 round pins are embedded into the circumferential round grooves of the flywheel and prevent the flywheel from rotating through the retainer. The 8 round pins generate the trend of moving outwards along the square hole of the retainer under the action of the radial component force of the round groove. The spiral spring is wound outside the retainer, the inner ring of the spiral spring is fixed with the retainer, the outer ring of the spiral spring is fixed with the ratchet wheel turntable, the spiral spring is driven to be screwed by rotating the ratchet wheel turntable, and 8 round pins are fastened in the round grooves of the flywheel, so that the flywheel is prevented from rotating. The ratchet wheel rotary disc generates a reverse rotation trend under the action of the force of the volute spiral spring and the pretightening force. The ratchet wheel rotating disc acts on the ratchet wheel swing rod through the ratchet, the ratchet wheel swing rod acts on the unlocking swing rod through the boss, and the ratchet wheel rotating disc and the unlocking swing rod generate a rotating trend around the unlocking swing rod shaft. The end part of the unlocking swing rod acts on the trigger swing rod, the trigger swing rod cannot rotate freely under the action of the action force through a rotating shaft of the trigger swing rod to form self-locking, so that the rotation of the ratchet wheel rotating disc is limited, the self-locking of the whole device is finally realized, and the reliable connection of the device under the pre-tightening force of the wrapping tape is ensured.
When unlocking, a non-pyrotechnic element (such as an electromagnet, a motor or a memory alloy wire) is electrified to act and push the trigger swing rod to rotate, after the trigger swing rod leaves the self-locking position, the whole unlocking device releases self-locking, all parts start to move, finally, threaded connection of the screw rod and the flywheel is released, the tightening force of the wrapping tape is released, and the wrapping tape unlocking is realized.
When the ratchet wheel is reset, the power supply of the non-explosive element is cut off, and the trigger swing rod, the unlocking swing rod and the ratchet wheel swing rod return to the initial positions under the action of the torsion spring. The screw rod is connected with the flywheel, the ratchet wheel rotating disc is rotated, the rotating disc drives the volute spiral spring to be screwed, 8 round pins are embedded into the round grooves of the flywheel again, and the device is reset.
This embodiment provides a mechanism for strap attachment and secure unlocking that is triggered by a non-pyrotechnic element. The mechanism can complete the connection bearing function of the wrapping tape in a locking state, and realizes the unlocking of the wrapping tape and the slow release of the pretightening force by controlling the triggering of an electromagnet, a motor or a memory alloy element during the unlocking, so that the separation of the effective load can be realized. The mechanism can ensure that the belting separating device has the advantages of low impact, detectability before use, high reliability and the like, and particularly realizes that electromagnets, motors or memory alloys and the like are used as trigger elements, so that repeated tests can be carried out on the ground before use.
Compared with the explosive bolt and the cutter adopted by the existing belt separating device, the belt separating device has the advantages that the non-explosive element is used for replacing an explosive device, the safety of the belt separating device is improved, the belt separating device has the capability of repeated testing, and meanwhile, the separating impact is reduced. Meanwhile, the volute spiral spring, the round pin, the screw and the multi-thread threads of the flywheel can prolong the release time of the wrapping belt pretightening force, so that the separation impact is reduced. By designing the ratchet wheel and the swing rod reset mechanism, the product is easy to reset in ground test, and the use efficiency is improved.
The above-described embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A non-pyrotechnic sustained release device for attachment and release of a line disconnect device, comprising: the left-handed screw (1), the right-handed screw (2), the shell, the slow opening device and the unlocking device; wherein,
the slow opening device is connected with the unlocking device; the slow opening device and the unlocking device are arranged in the shell; the unlocking device can enable the slow opening device to rotate;
the left-handed screw (1) is connected with the slow opening device through the shell;
the right-handed screw (2) is connected with the slow opening device through the shell.
2. The non-pyrotechnic release device for line disconnect and unlatch of claim 1 wherein: the shell comprises a left end cover (3), a right end cover (4), a box cover (5) and a box body (6); wherein,
the box cover (5) is connected with the box body (6);
the left end cover (3) is arranged on the box cover (5), and the left-handed screw (1) is connected with the slow opening device through the left end cover (3);
the right end cover (4) is arranged on the box body (6), and the right-handed screw (2) is connected with the slow opening device through the right end cover (4).
3. The non-pyrotechnic release device for line disconnect and unlatch of claim 2 wherein: the slow opening device comprises a ratchet wheel turntable (7), a turntable bearing (8), a flywheel left bearing (9), a plurality of round pins (10), a flywheel (11), a flywheel right bearing (12), a volute spiral spring (13) and a retainer (14); wherein,
circular grooves (111) corresponding to the number of the circular pins (10) are formed in the flywheel (11) along the circumferential direction;
the flywheel (11) is located in the middle, the retainer (14) is sleeved on the flywheel (11), and a plurality of circular grooves (111) of the flywheel (11) correspond to a plurality of rectangular grooves (141) in the circumferential direction of the retainer (14) one by one;
the inner ring end of the spiral spring (13) is fixed on the outer ring of the retainer (14), a round pin (10) is installed in each rectangular groove (141) of the retainer (14), the spiral spring (13) is wound on the outer ring of the retainer (14), and each round pin (10) is embedded into a round groove (111) corresponding to the flywheel (11);
the outer ring end of the scroll spring (13) penetrates through the inner cylindrical surface of the ratchet wheel rotating disc (7) and is fixed on the outer cylindrical surface of the ratchet wheel rotating disc (7);
the inner ring of the turntable bearing (8) is arranged at one end of the retainer (14), and the ratchet turntable (7) is sleeved on the outer ring of the turntable bearing (8);
the left end and the right end of the flywheel (11) are respectively arranged on the flywheel left bearing (9) and the flywheel right bearing (12), the box body (6) is arranged outside the flywheel right bearing (12), and the retainer (14) is fixed on the box body (6) through a flange hole of the retainer;
the left-handed screw (1) is connected with one end of the flywheel (11), and the right-handed screw (2) is connected with the other end of the flywheel (11).
4. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the unlocking device comprises an unlocking swing rod shaft (15), a reset torsion spring (16), a ratchet wheel swing rod (17), an unlocking swing rod torsion spring (18), a trigger swing rod shaft (19), a trigger swing rod (20), a trigger swing rod torsion spring (21) and an unlocking swing rod (22); wherein,
the reset torsion spring (16), the ratchet wheel swing rod (17), the unlocking swing rod (22) and the unlocking swing rod torsion spring (18) sequentially penetrate through the unlocking swing rod shaft (15), and the unlocking swing rod shaft (15) is mounted on the box body (6);
the trigger swing rod (20) and the trigger swing rod torsion spring (21) sequentially penetrate through the trigger swing rod shaft (19), and the trigger swing rod shaft (19) is installed on the box body (6);
ratchets on the outer ring of the ratchet wheel rotating disc (7) act on the inner side of the ratchet wheel swing rod (17) to be protruded, and the ratchet wheel swing rod (17) acts on the lower part of the unlocking swing rod (22) through an outer side triangular boss;
two ends of the reset torsion spring (16) are respectively arranged on the ratchet wheel swing rod (17) and the unlocking swing rod (22), two ends of the unlocking swing rod torsion spring (18) are respectively arranged on the unlocking swing rod (22) and the box body (6), and two ends of the trigger swing rod torsion spring (21) are respectively arranged on the trigger swing rod (20) and the box body (6);
the end part of the unlocking swing rod (22) is embedded into the groove of the trigger swing rod (20).
5. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the number of the round pins (10) is 8-10.
6. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the circular grooves (111) are uniformly distributed along the circumferential direction of the flywheel (11).
7. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the left end cover (3) is provided with a hexagonal hole, and the left-handed screw (1) comprises a hexagon matched with the hexagonal hole.
8. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the right end cover (4) is provided with a hexagonal hole, and the right-handed screw (2) comprises a hexagonal body matched with the hexagonal hole.
9. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the unlocking swing rod shaft (15) is mounted on the box body (6) through tail threads.
10. The non-pyrotechnic release device for line disconnect coupling and unlocking of claim 3 wherein: the trigger rocker shaft (19) is mounted to the box (6) by a tail thread.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711181227.0A CN107957219B (en) | 2017-11-23 | 2017-11-23 | A kind of non-firer's delayed release device for connecting and unlocking for wire type separator |
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| CN201711181227.0A CN107957219B (en) | 2017-11-23 | 2017-11-23 | A kind of non-firer's delayed release device for connecting and unlocking for wire type separator |
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| CN107957219A true CN107957219A (en) | 2018-04-24 |
| CN107957219B CN107957219B (en) | 2019-08-09 |
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