CN113184227A - Passive space locking and releasing device - Google Patents
Passive space locking and releasing device Download PDFInfo
- Publication number
- CN113184227A CN113184227A CN202110437507.3A CN202110437507A CN113184227A CN 113184227 A CN113184227 A CN 113184227A CN 202110437507 A CN202110437507 A CN 202110437507A CN 113184227 A CN113184227 A CN 113184227A
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- hook
- locking hook
- locking
- tension spring
- shell
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
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- Aviation & Aerospace Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
A passive space locking and releasing device comprises a shell, a lock hook assembly, a sliding pin, a pressing plate, an operating rod, an end cover, a belt assembly, a bottom cover and a tension spring assembly; a group of latch hook assemblies are arranged in the grooves on the outer side of the shell; a waist-shaped hole is formed in the end part of one end of a lock hook of the lock hook assembly, a sliding pin is installed in the waist-shaped hole, and each pressing plate slides in a sliding groove of the pressing plate to form a pin kinematic pair; the end cover is fixedly arranged at the end port of the cylinder part, and each pressure plate is connected with the end cover through a tension spring assembly; the operating rods are uniformly distributed on the belting component along the circumferential direction; the belt component is sleeved outside the latch hook component, the belt structure is provided with an explosive bolt, and unlocking is realized through the explosive bolt; the bottom cover is arranged on the shell and covers the wrapping tape assembly and the lock hook assembly, an operating rod movable groove is longitudinally formed in the side wall of the bottom cover, and the operating rod extends out of the operating rod movable groove. The invention can realize manual locking and releasing and automatic initiating explosive device releasing functions, and has electric unlocking and releasing functions by matching with the locked piece.
Description
Technical Field
The invention belongs to the technical field of aerospace aircrafts, and relates to a space locking and releasing device.
Background
On one hand, the outer enveloping size of each cabin section is ensured to be as small as possible and does not exceed the enveloping of the fairing of the carrier rocket; on the other hand, the products with reliable compaction can overcome various severe mechanical conditions brought by the rocket in the launching section, and the products are not damaged in the launching process. After the cabin section enters the orbit along with the rocket, various extravehicular mechanism products such as the mechanical arm and the like need to be automatically released and move to a specified position to complete subsequent tasks. The existing products for automatic release mainly comprise mature schemes and products such as explosive bolts, separating nuts, fire bag belts, fire cutters and the like. But the existing products are disposable action products and can not meet the requirements of multiple ground test verification work.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a passive space locking and releasing device which is used for locking and releasing a space mechanical arm fixed on the outer wall of a cabin body, ensuring that an emitting section of the space mechanical arm overcomes mechanical environment load caused by transportation, protecting the emitting section of the space mechanical arm from being damaged, matching actions of locked products after the space mechanical arm enters a rail, taking electric unlocking as a main part releasing scheme and taking automatic unlocking and releasing of initiating explosive devices as a backup releasing scheme.
The technical scheme adopted by the invention is as follows: a passive space locking and releasing device comprises a shell, a lock hook assembly, a sliding pin, a pressing plate, an operating rod, an end cover, a belt assembly, a bottom cover and a tension spring assembly;
the shell comprises a flange plate and a cylindrical part protruding from the center of the flange plate; grooves for installing lock hooks are uniformly distributed on the outer side of the cylindrical part along the circumferential direction, and a group of lock hook assemblies are installed in each groove;
the side wall of the cylinder part is symmetrically provided with a plurality of pressing plate sliding grooves along the longitudinal direction from a port, the end part of one end of a lock hook of the lock hook assembly is provided with a kidney-shaped hole, a sliding pin is arranged in the kidney-shaped hole, the pressing plates are connected with the lock hook through the sliding pin, and each pressing plate slides in the pressing plate sliding groove to form a pin kinematic pair; the other end of the lock hook extends out of a lock hook stroke groove formed in a flange plate of the shell, and the pressed equipment is tightly pressed on the shell through a hook-shaped structure; the end cover is fixedly arranged at the end port of the cylinder part, and each pressure plate is connected with the end cover through a tension spring assembly;
the operating rods are uniformly distributed on the belting component along the circumferential direction; the belt component is sleeved outside the latch hook component, the belt structure is provided with an explosive bolt, and unlocking is realized through the explosive bolt; the bottom cover is arranged on the shell and covers the wrapping tape assembly and the lock hook assembly, an operating rod movable groove is longitudinally formed in the side wall of the bottom cover, and the operating rod extends out of the operating rod movable groove.
The latch hook component comprises a latch hook pin, a latch hook, a torsion spring column and a torsion spring; a torsion spring column, a torsion spring, a lock hook and a lock hook pin are arranged in a groove outside the cylindrical part of the shell, and the torsion spring is sleeved on the torsion spring column; the lock hook is arranged in a groove at the outer side of the shell through a lock hook pin and forms a hinge mechanism with the shell; the torsion spring mounting handle is arranged between the middle part of the lock hook and the cylindrical part of the shell, and pre-tightening force is kept.
The tension spring assembly comprises a tension spring, a tension spring fixing pin and a tension spring fixing plate; all install the extension spring fixed plate on each clamp plate, the extension spring both ends are connected with extension spring fixed plate and end cover respectively through the extension spring fixed pin, and the extension spring keeps the pretightning force.
The belting component comprises a belting pin, a middle rod, a connecting rod, an installation rod and an explosive bolt; one end of the intermediate rod forms an articulated mechanism with the connecting rod through the belting pin, the other end of the intermediate rod forms an articulated mechanism with the mounting rod through the belting pin, and the connecting rod and the mounting rod are respectively connected end to end through the explosive bolts to form a closed belting structure.
When manual unlocking is carried out, the locking hooks are manually pressed inwards, the locking hooks turn inwards to move, the pressing plate is driven to move towards the flange plate of the shell along the pressing plate sliding groove, and meanwhile, the belting assembly is pulled towards the end cover by using the operating rod to separate the belting assembly from the plane on the outer side of the locking hooks; after the lock hook is released, the lock hook is turned outwards under the action of the torsion spring, and the pressing plate moves towards the end cover under the combined action of the lock hook and the tension spring, so that the lock hook is further turned outwards to complete the manual unlocking action.
When manual recovery, the manual latch hook of pressing to the inboard, the inboard upset motion of latch hook to drive the clamp plate and move to the ring flange direction of casing, utilize the action bars to band the subassembly to the ring flange direction pulling of casing to the regulation position simultaneously, make and band the subassembly and release the latch hook after each latch hook outside plane contact, the latch hook outwards overturns under torsional spring and extension spring effect, and the clamp plate moves to the end cover direction under the extension spring effect, makes the latch hook compress tightly on the subassembly of band.
When the firer explodes, the connecting rod and the mounting rod are disconnected, the connecting rod, the intermediate rod and the mounting rod move towards the outside under the action of the wrapping belt pretightening force and the locking hook overturning force, and the locking hook overturns outwards under the action of the torsion spring and the tension spring to release the device pressed by the locking hook.
Compared with the prior art, the invention has the following beneficial effects:
(1) the passive space locking and releasing device has the functions of manual repeated locking and releasing on the ground and automatic releasing by an initiating explosive worker, is matched with the locked space mechanical arm, and has the functions of electric locking and unlocking.
(2) The existing mature scheme and products for space separation comprise explosive bolts, separation nuts, fire bag belts, fire cutters and the like, which are all disposable action products, and the requirements of multiple ground test verification work cannot be met. The passive space locking and releasing device provided by the invention has the advantages that the explosive bolt and the connecting rod mechanism are highly integrated, and the interlocking function of the explosive bolt, the torsion spring and the tension spring for controlling the latch hook is realized. The problem that ground test verification is difficult to realize due to the fact that existing one-time work is carried out is solved.
(3) The passive space locking and releasing device is technically characterized by multiple locking and unlocking modes, simple manual operation, high mechanism integration level, multiple backup, reliable unlocking and releasing actions and the like. The invention adopts the scheme of combining the initiating explosive device and the mechanism, and is matched with the active action of the locked piece, so that the invention has the functions of electric unlocking and releasing, manual unlocking and releasing and one-time initiating explosive device releasing with double initiating explosive devices as backup. The locking and unlocking mechanism has the characteristics of multiple locking and unlocking modes, simplicity in manual operation, high mechanism integration level, multiple backup, reliability in unlocking and releasing actions and the like.
Drawings
FIG. 1 is a schematic diagram of the layout and structure of the passive spatial locking release device of the present invention;
FIG. 2 is a schematic diagram illustrating the locking and unlocking principle of the locking hook of the passive spatial lock release device according to the present invention;
fig. 3 is a schematic diagram of a belting assembly of the passive space locking and releasing device of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In practice, the invention will be understood to cover all modifications and variations of this invention provided they come within the scope of the appended claims.
For a better illustration of the invention, the following detailed description of the invention is given in conjunction with the accompanying drawings.
As shown in fig. 1, the passive spatial locking and releasing device of the present invention includes a housing 1, a latch pin 2, a sliding pin 3, a latch hook 4, a pressing plate 5, an operating rod 6, an end cap 7, a strap pin 8, an intermediate rod 9, a connecting rod 10, a torsion spring column 11, an installation rod 12, an explosive bolt 13, a torsion spring 14, a bottom cover 15, a tension spring 16, a tension spring fixing pin 17, and a tension spring fixing plate 18.
The shell 1 comprises a flange plate and a cylindrical part with a flange plate center protruding; 4 grooves for installing the lock hooks 4 are uniformly distributed on the outer side of the cylindrical part along the circumferential direction at an included angle of 90 degrees, a torsion spring column 11, a torsion spring 14, the lock hooks 4 and a lock hook pin 2 are installed in each groove, the torsion spring 14 is sleeved on the torsion spring column 11, and the torsion spring column 11 is located on one side, close to the flange, in each groove; the lock hook 4 is installed in a groove on the outer side of the shell 1 through the lock hook pin 2 and forms a hinge mechanism with the shell 1, the lock hook pin 2 is located on one side, close to a port of the cylindrical portion, in the groove, and the torsion spring installation handle is installed between the middle of the lock hook 4 and the shell 1 and keeps a certain pretightening force. The cylinder part is symmetrically provided with a plurality of pressing plate sliding grooves along the longitudinal direction, the end part of one end of the lock hook 4 is provided with a kidney-shaped groove, a sliding pin 3 is arranged in the kidney-shaped hole, the pressing plate 5 is connected with the lock hook 4 through the sliding pin 3, and the pressing plate 5 moves up and down in the pressing plate sliding grooves to form a pin kinematic pair. A tension spring fixing plate 18 is installed on the pressing plate 5, a tension spring fixing pin 17 is installed on the tension spring fixing plate 18, the end cover 7 is fixedly installed at the end part of the cylindrical part, the tension spring fixing pin 17 is installed on the inner side of the end cover 7, 4 tension springs 16 are installed between the tension spring fixing plate 18 and the end cover 7, and the tension springs 16 keep certain pretightening force.
One end of the intermediate rod 9 forms a hinge mechanism with the connecting rod 10 through the belt pin 8, the other end of the intermediate rod forms a hinge mechanism with the mounting rod 12 through the belt pin 8, the connecting rod 10 and the mounting rod 12 are connected end to end through the explosive bolt 13 to form a closed belt assembly, and the 3 operating rods 6 are respectively mounted on the 2 mounting rods 12 and the intermediate rod 9. The belt component is sleeved outside the latch hook 4; the bottom cover 15 is arranged on the shell 1 and is in rigid connection, an operating rod movable groove is formed in the side wall of the bottom cover 15 along the longitudinal direction, and the operating rod 6 extends out of the operating rod movable groove.
The locking hook 4 extends out from a locking hook stroke groove formed in a flange plate of the shell 1 to tightly press a pressed product on the upper end surface of the shell 1.
As shown in fig. 2, the locking and unlocking principle of the locking hook of the passive space locking and releasing device of the present invention is schematically illustrated. The hinge mechanism is arranged between the lock hook 4 and the shell 1, the lock hook 4 can swing inwards and outwards around the shell 1, a pin kinematic pair is arranged between the bottom of the lock hook 4 and the pressing plate 5, and axial linear motion of the pressing plate 5 is converted into inward and outward swing of the lock hook 4 through the pin kinematic pair, so that the lock hook 4 is subjected to outward overturning moment under the action of the torsion spring 14 and the tension spring 16 in an idle state, the lock hook 4 is pressed on a belting component positioned on the outer side of the lock hook 4, and the relative position of the belting component relative to the shell 1 is kept. During manual unblock, it is manual to press 4 latch hooks 4 to the inboard, latch hook 4 is to inboard upset motion, and drive clamp plate 5 along the flange plate direction motion of clamp plate spout to casing 1, utilize simultaneously action bars 6 to take the subassembly to 7 direction stimulations of end cover, make it break away from latch hook 4 outside planes, after 4 latch hooks 4 of hand release, latch hook 4 outwards overturns under the effect of torsional spring 14, clamp plate 5 is to 7 direction motions of end cover under latch hook 4 and 16 combined action of extension spring, make latch hook 4 further turn up, accomplish manual unblock action. During manual recovery, 4 latch hooks 4 are pressed to the inside manually, latch hook 4 is turned to the inside and is moved, and drive clamp plate 5 to the ring flange direction motion of casing 1, utilize action bars 6 to band the subassembly to the ring flange direction pulling of casing 1 to the regulation position simultaneously, let it and 4 latch hooks 4 outside plane contact back and release 4 latch hooks 4, 4 latch hooks 4 outwards overturn under torsional spring 14 and extension spring 16 effect, clamp plate 5 is moved to 7 directions of end cover under the extension spring 16 effect, compress tightly on the subassembly of band.
4 latch hooks 4 are backup for each other, wherein 2 latch hooks 4 can complete the locking work. The 4 torsion springs 14 and the 4 tension springs 16 are backup to each other, and the unlocking action can be completed under the action of the torsion spring 14 alone or under the action of the tension spring 16 alone or under the action of both the torsion spring 14 and the tension spring 16. If the torsion spring 14 and the tension spring 16 fail simultaneously, the mechanical arm conical head can be pushed out through the locked space, and the pressing plate 5 is pressed to reach the unlocking position.
Fig. 3 is a schematic diagram of a belting assembly of the passive space locking and releasing device of the present invention. The hinge mechanism is formed by the belt pin 8 between one end of the middle rod 9 and the mounting rod 12, the hinge mechanism is formed by the belt pin 8 between the other end of the middle rod and the connecting rod 10, the connecting rod 10 and the mounting rod 12 are connected through the explosion bolt 13, so that a closed belt assembly is formed, the middle of the middle rod 9 of the 2 sections of the belt assembly is compressed on the 2 locking hooks 4, and the connecting position of the connecting rod 10 and the mounting rod 12 at the 2 positions is used for compressing the other 2 locking hooks 4. When the priming is performed by the firer, the rigid connection between the connecting rod 10 and the mounting rod 12 is released, under the action of the wrapping belt pretightening force and the overturning force of the locking hook 4, the connecting rod 10, the intermediate rod 9 and the mounting rod 12 move outwards, the locking hook 4 overturns outwards under the action of the torsion spring 14 and the tension spring 16, and the compressed space mechanical arm is released.
2 explosion bolts 13 on the belting subassembly are each other for backup, and wherein 1 explosion bolt or 2 explosion bolts explode simultaneously, all can remove the outside restraint of latch hook 4.
In conclusion, the passive space locking and releasing device provided by the invention has the advantages that the explosive bolts and the link mechanism are highly integrated, and the linkage function of 4 lock hooks is controlled by 2 explosive bolts, 4 torsion springs and 4 tension springs. . The invention has the functions of manual repeated locking and releasing on the ground and automatic releasing in an initiating explosive manner, is matched with the locked space manipulator and has the functions of electric locking and unlocking.
Therefore, the passive space locking and releasing device has the technical characteristics of multiple locking and unlocking modes, simple manual operation, high mechanism integration level, multiple backups, reliable unlocking and releasing actions and the like.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
The present invention has not been described in detail, partly as is known to the person skilled in the art.
Claims (7)
1. A passive space locking and releasing device is characterized by comprising a shell (1), a latch hook component, a sliding pin (3), a pressure plate (5), an operating rod (6), an end cover (7), a belting component, a bottom cover (15) and a tension spring component;
the shell (1) comprises a flange plate and a cylindrical part with a flange plate center protruding; grooves for mounting the lock hooks (4) are uniformly distributed on the outer side of the cylindrical part along the circumferential direction, and a group of lock hook assemblies are mounted in each groove;
the side wall of the cylinder part is symmetrically provided with a plurality of pressing plate sliding grooves along the longitudinal direction from a port, the end part of one end of a locking hook (4) of the locking hook assembly is provided with a kidney-shaped hole, a sliding pin (3) is arranged in the kidney-shaped hole, the pressing plates (5) are connected with the locking hook (4) through the sliding pin (3), and each pressing plate (5) slides in the pressing plate sliding groove to form a pin kinematic pair; the other end of the lock hook (4) extends out of a lock hook stroke groove formed in a flange plate of the shell (1), and the pressed equipment is pressed on the shell (1) through a hook-shaped structure; the end covers (7) are fixedly arranged at the ports of the cylinder parts, and each pressure plate (5) is connected with the end cover (7) through a tension spring assembly;
a plurality of operating rods (6) are uniformly distributed on the belting component along the circumferential direction; the belt component is sleeved outside the latch hook component, the belt structure is provided with an explosive bolt, and unlocking is realized through the explosive bolt; the bottom cover (15) is arranged on the shell (1) and covers the wrapping tape assembly and the locking hook assembly, an operating rod movable groove is longitudinally formed in the side wall of the bottom cover (15), and the operating rod (6) extends out of the operating rod movable groove.
2. A passive spatial lock release device according to claim 1, wherein the locking hook assembly comprises a locking hook pin (2), a locking hook (4), a torsion spring post (11), a torsion spring (14); a torsion spring column (11), a torsion spring (14), a locking hook (4) and a locking hook pin (2) are arranged in a groove outside a cylindrical part of the shell (1), and the torsion spring (14) is sleeved on the torsion spring column (11); the lock hook (4) is arranged in a groove on the outer side of the shell (1) through a lock hook pin (2) and forms a hinge mechanism with the shell (1); the installation handle of the torsion spring (14) is arranged between the middle part of the lock hook (4) and the cylindrical part of the shell (1) to keep pretightening force.
3. A passive spatial lock release device according to claim 1 or 2, wherein the tension spring assembly comprises a tension spring (16), a tension spring fixing pin (17) and a tension spring fixing plate (18); each pressing plate (5) is provided with a tension spring fixing plate (18), two ends of each tension spring (16) are respectively connected with the tension spring fixing plate (18) and the end cover (7) through tension spring fixing pins (17), and the tension springs (16) keep pretightening force.
4. A passive space lock release device according to claim 3, wherein the strapping assembly comprises a strapping pin (8), an intermediate rod (9), a connecting rod (10), a mounting rod (12), an explosive bolt (13); one end of the intermediate rod (9) forms an articulated mechanism with the connecting rod (10) through the belt pin (8), the other end of the intermediate rod forms an articulated mechanism with the mounting rod (12) through the belt pin (8), and the connecting rod (10) and the mounting rod (12) are respectively connected end to end through the explosive bolts (13) to form a closed belt structure.
5. The passive spatial lock release device according to claim 4, wherein during manual unlocking, each lock hook (4) is pressed inwards by hand, the lock hook (4) turns inwards and drives the pressing plate (5) to move towards the flange of the shell (1) along the pressing plate sliding groove, and meanwhile, the belting assembly is pulled towards the end cover (7) by using the operating rod (6) to be separated from the plane outside the lock hook (4); after the locking hook (4) is released, the locking hook (4) is turned outwards under the action of the torsion spring (14), and the pressing plate (5) moves towards the end cover (7) under the combined action of the locking hook (4) and the tension spring (16), so that the locking hook (4) is further turned outwards to complete the manual unlocking action.
6. The passive spatial locking and releasing device according to claim 5, wherein when the locking mechanism is manually restored, the locking hook (4) is manually pressed inward, the locking hook (4) turns inward to move and drive the pressing plate (5) to move toward the flange of the housing (1), meanwhile, the taping assembly is pulled to a specified position toward the flange of the housing (1) by the operating rod (6), so that the taping assembly is in contact with the outer side plane of each locking hook (4) and then releases the locking hook (4), the locking hook (4) turns outward under the action of the torsion spring (14) and the tension spring (16), and the pressing plate (5) moves toward the end cover (7) under the action of the tension spring (16), so that the locking hook (4) is pressed against the taping assembly.
7. The passive spatial locking and releasing device according to claim 6, wherein when a firer detonates, the connection between the connecting rod (10) and the mounting rod (12) is released, the connecting rod (10), the intermediate rod (9) and the mounting rod (12) move outwards under the action of the wrapping tape pre-tightening force and the locking hook (4) overturning force, and the locking hook (4) overturns outwards under the action of the torsion spring (14) and the tension spring (16), so as to release the device pressed by the locking hook (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437507.3A CN113184227B (en) | 2021-04-22 | 2021-04-22 | Passive space locking and releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437507.3A CN113184227B (en) | 2021-04-22 | 2021-04-22 | Passive space locking and releasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113184227A true CN113184227A (en) | 2021-07-30 |
| CN113184227B CN113184227B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110437507.3A Active CN113184227B (en) | 2021-04-22 | 2021-04-22 | Passive space locking and releasing device |
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| Country | Link |
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| CN (1) | CN113184227B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587741A (en) * | 2021-08-23 | 2021-11-02 | 中国北方工业有限公司 | Small-size tactics guided missile boosting separator |
| CN115289905A (en) * | 2022-09-06 | 2022-11-04 | 成都航天万欣科技有限公司 | Fastener, rocket launching platform and method for loading and unloading rocket |
| CN115675935A (en) * | 2022-11-04 | 2023-02-03 | 航天科工火箭技术有限公司 | Belt-wrapped type star-arrow separation unlocking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113587741A (en) * | 2021-08-23 | 2021-11-02 | 中国北方工业有限公司 | Small-size tactics guided missile boosting separator |
| CN115289905A (en) * | 2022-09-06 | 2022-11-04 | 成都航天万欣科技有限公司 | Fastener, rocket launching platform and method for loading and unloading rocket |
| CN115675935A (en) * | 2022-11-04 | 2023-02-03 | 航天科工火箭技术有限公司 | Belt-wrapped type star-arrow separation unlocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113184227B (en) | 2022-07-26 |
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