CN117485592A - Hot melt type compaction and release device - Google Patents
Hot melt type compaction and release device Download PDFInfo
- Publication number
- CN117485592A CN117485592A CN202311466222.8A CN202311466222A CN117485592A CN 117485592 A CN117485592 A CN 117485592A CN 202311466222 A CN202311466222 A CN 202311466222A CN 117485592 A CN117485592 A CN 117485592A
- Authority
- CN
- China
- Prior art keywords
- shaft
- supporting seat
- hot melt
- fishbone
- release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012943 hotmelt Substances 0.000 title claims description 16
- 238000005056 compaction Methods 0.000 title claims description 8
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000002360 explosive Substances 0.000 abstract description 7
- 230000000977 initiatory effect Effects 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
-
- 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
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
- B64G1/443—Photovoltaic cell arrays
Abstract
The invention relates to the technical field of aerospace equipment, in particular to a hot-melting type compression release device which comprises a bottom plate and PE binding wires, wherein the bottom plate is provided with the release device and a compression device for fixing a piece to be unfolded; the compressing device comprises a supporting seat arranged on the bottom plate, a fixed shaft penetrates through the supporting seat, a connecting block and a threaded column are sequentially arranged above the supporting seat, a fishbone is arranged in the threaded column, an upper nut is arranged above the fishbone, and a lower nut is arranged below the fishbone; the release device comprises a single-shaft base, a movable shaft is arranged in the single-shaft base in a penetrating manner, a baffle is arranged at one end of the movable shaft, a spring is arranged between the baffle and the single-shaft base, a fixing mechanism is arranged at the other end of the movable shaft, and a resistance wire is arranged in the fixing mechanism; the PE binding wire is internally wrapped with the resistance wire, the fishbone and the fixing shaft. Compared with an initiating explosive device unlocking device, the initiating explosive device unlocking device is simple in structure, high in assemblability, low in cost and high in reliability, and can realize unlocking with low impact, low pollution and reusability.
Description
Technical Field
The invention relates to the technical field of aerospace equipment, in particular to a hot-melt type compression release device.
Background
With the development of aerospace technology, more and more spacecrafts, antennas, solar wing sailboards and the like need to be unfolded in an on-orbit manner, and corresponding compression release devices need to be arranged on the structures of the expandable spacecrafts. The compaction release device is a mechanical device which is used for realizing the fastening connection between the body and the accessory or between the parts when the spacecraft is launched, and releasing the constraint according to the set requirement after the spacecraft enters the orbit.
The compression release devices required vary due to the mass of the aerospace component and its sensitivity to the impact environment. The locking and releasing devices can be classified into a pyrotechnic device and a non-pyrotechnic device according to different unlocking modes. The initiating explosive device is the earliest used and most commonly used compression release device on a spacecraft, has the outstanding advantages of light weight, small volume, large specific energy, high reliability, capability of realizing multi-point synchronous unlocking release and the like, but has some insurmountable defects, such as larger unlocking impact on a structure during unlocking, chemical pollution of gas generated after explosion, disposable use, high cost, low expansibility, low position adaptability and the like. Compared with the initiating explosive device, the non-initiating explosive device has the advantages of small impact, no pollution, reusability, low cost and the like.
Therefore, the application research of non-firer devices is receiving more and more attention, and the non-firer devices mainly comprise a memory alloy locking and releasing device, a relay locking and releasing device, a hot knife locking and releasing device and the like. The hot knife locking and releasing device is used for realizing separation by utilizing a connecting wire between a fixed part and a movable part of the electric heating fusing binding spacecraft, and the existing hot knife releasing device is insensitive in reaction when the connecting wire is fused, so that the moment of unfolding and releasing a piece to be unfolded is unpaired, and the problem of double-limiting movement clamping stagnation caused by a double-shaft unlocking device is solved.
In view of this, the present patent application is specifically filed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the hot-melt type compaction release device which is low in impact, low in pollution and reusable in unlocking, and can realize unfolding of a multi-fold solar wing sailboard or a high-volume-weight part component by matching high-strength PE binding wires with different wire diameters and connecting blocks matched in a conical socket spigot mode.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the hot melt type compaction release device comprises a bottom plate and PE binding wires, wherein the bottom plate is provided with a release device and a compaction device for fixing a piece to be unfolded;
the compressing device comprises a supporting seat arranged on the bottom plate, a fixed shaft is arranged in the supporting seat in a penetrating manner, a connecting block and a threaded column are sequentially arranged above the supporting seat, a U-shaped chute is arranged inside the threaded column, a fishbone capable of moving up and down along the U-shaped chute is arranged in the U-shaped chute, an upper nut is arranged above the fishbone, a lower nut is arranged below the fishbone, and the upper nut and the lower nut are connected to the threaded column in a threaded manner;
the release device comprises a single-shaft base, a movable shaft is arranged in the single-shaft base in a penetrating manner, a baffle is arranged at one end, far away from the supporting seat, of the movable shaft, a spring is arranged between the baffle and the single-shaft base, a fixing mechanism is arranged at the other end of the movable shaft, and a resistance wire is arranged in the fixing mechanism;
the PE binding wire is internally wrapped with the resistance wire, the fishbone and the fixing shaft.
Further, the supporting seat is connected with the connecting block in a conical socket spigot mode.
Further, the supporting seat and the connecting block are made of different materials, and a lubricant is arranged at the joint of the supporting seat and the connecting block.
Further, the fixing mechanism comprises a connecting rod arranged at one end of the movable shaft, pressing plates are symmetrically arranged on the connecting rod, pressing rods are arranged on the other sides of the pressing plates, round holes are formed in one sides of the pressing rods, which are in contact with the pressing plates, of the pressing rods, and resistance wires are arranged between the pressing rods and the pressing plates.
Further, an insulating sleeve is arranged on the outer side of the fixed shaft.
Further, a glass fiber sleeve is arranged on the outer side of the resistance wire.
Further, the release devices are symmetrically arranged on two sides of the pressing device.
Further, the release device is arranged at one side of the pressing device up and down.
The beneficial effects achieved by the invention are as follows:
1. compared with an initiating explosive device unlocking device, the compaction release device has the advantages of simple structure, high assemblability, low cost and high reliability, and can realize unlocking with low impact, low pollution and repeated use.
2. And the unlocking characteristic of single-point single release of other devices is adopted, the release device adopts two bilateral symmetrical single-shaft hot knife component structural forms, and the two single-shaft hot knife components are mutually backed up, so that the fuse characteristic of single-point double redundancy of compression release is realized, and the unfolding reliability is greatly improved.
3. Compared with the contact relation between the fuse wire component and the binding wire of other devices, the spring in the release device can ensure that the resistance wire is in contact with the PE binding wire in a fully clinging way all the time, can adapt to the creep characteristic of the PE binding wire for a long time, can release the part to be unfolded in time, and has high reliability.
4. The compression release device disclosed by the invention is matched with PE binding wires with different wire diameters, can be suitable for compression release of multi-folded solar wing sailboards or high-quality large-volume expansion pieces, and has strong expansibility and wide application range.
5. The single-shaft hot knife assembly in the release device adopts a single-shaft structure form, can realize the rapid expansion and contraction of the movable shaft by matching with solid lubrication, and avoids the problem of double-limit movement clamping stagnation caused by the double-shaft unlocking device.
6. Compared with the defect of low position adaptability of the initiating explosive device unlocking device, the two single-shaft hot knife assemblies in the release device are not only suitable for bilateral symmetry installation, but also can adopt a same-side up-down installation structure form, so that the whole release device has higher position adaptability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall structure of the pressing device;
fig. 4 is a schematic view of the overall structure of the release device.
The figure indicates: 1. a compacting device; 2. a release device; 3. a bottom plate; 4. PE binding wires; 11. a threaded column; 12. a top nut; 13. fishbone; 14. a lower nut; 15. a member to be deployed; 16. a connecting block; 17. a support base; 18. a fixed shaft; 19. an insulating sleeve; 21. a single-axis base; 22. a spring; 23. a baffle; 24. a movable shaft; 25. a connecting rod; 26. tabletting; 27. a compression bar; 28. a glass fiber sleeve; 29. a resistance wire.
Detailed Description
For a better understanding of the objects, structure and function of the present invention, a hot melt compression release apparatus according to the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 4, a hot-melt compression release device comprises a release device 2 which is arranged above a bottom plate 3 and is symmetrical left and right, and a compression device 1 which is arranged at the center of the release device 2 left and right, wherein the compression device 1 is fixed on a piece 15 to be unfolded through a screw, and the bottom plate 3 is arranged on a star or a fixed piece.
The compressing device 1 comprises a supporting seat 17 arranged on the bottom plate 3, a fixed shaft 18 penetrates through the supporting seat 17, the direction of the fixed shaft 18 penetrating through the supporting seat 17 is perpendicular to the moving direction of the releasing device 2, two ends of the fixed shaft 18 are fixed on the supporting seat 17 through check rings, an insulating sleeve 19 is sleeved outside the fixed shaft 18, and the insulating sleeve 19 plays an insulating protection role.
The supporting seat 17 top is provided with the toper through-hole, be provided with connecting block 16 in the toper through-hole, the shape of connecting block 16 bottom with the toper through-hole shape phase-match at supporting seat 17 top, connecting block 16 with adopt the connected form of awl nest tang between the supporting seat 17, avoid appearing the structure interference in the expansion process. The connecting block 16 is fixed on the member 15 to be unfolded, and the supporting seat 17 is fixed on the star or the fixing member through the bottom plate 3. The materials of the connecting block 16 and the supporting seat 17 are different, and lubricating grease or fixed lubricant is arranged between the connecting block 16 and the supporting seat 17 to lubricate, so that the connecting block 16 and the supporting seat 17 are prevented from being adhered in the mechanical process.
The connecting block 16 top is provided with screw thread post 11, screw thread post 11 is inside hollow cylinder structure, screw thread post 11 top center department is provided with U type spout, be provided with in the U type spout and follow U type spout reciprocate's fishbone 13, fishbone 13 below is provided with down nut 14, the top of fishbone 13 is provided with nut 12, nut 12 and nut 14 equal threaded connection down are in on the screw thread post 11, adjust the position of nut 12 and nut 14 down, can with fishbone 13 is fixed the assigned position in the U type spout.
The release devices 2 are symmetrically arranged on the two sides of the compression device 1, the left release device and the right release device 2 are in mutual backup, and the fusing reliability of the PE binding wire 4 is improved.
The release device 2 comprises a single-shaft base 21 arranged above the bottom plate 3, a movable shaft 24 is arranged on the upper portion of the single-shaft base 21 in a penetrating mode, a baffle piece 23 is arranged at one end, far away from the supporting seat 17, of the movable shaft 24, a spring 22 is arranged between the baffle piece 23 and the single-shaft base 21, the spring 22 is arranged on the outer side of the movable shaft 24, a connecting rod 25 is arranged at one end, close to the supporting seat 17, of the movable shaft 24, the connecting rod 25 is fixed on the movable shaft 24 through screws, pressing plates 26 are symmetrically arranged at two sides of the connecting rod 25 in directions close to the supporting seat 17, pressing rods 27 are arranged at the other sides of the pressing plates 26, round holes are formed in one side, where the pressing rods 27 are in contact with the pressing plates 26, resistance wires 29 are arranged between the pressing rods 27 and the pressing plates 26, the resistance wires 29 penetrate through the round holes in the pressing rods 27, and two ends of the resistance wires 29 penetrating through the round holes of the pressing rods 27 are respectively connected with the positive electrodes and the negative electrodes of external power supply cables to form a power supply loop. The two ends of the resistance wire 29 are respectively connected with a power supply wire through special adapter and are insulated, reinforced and protected, so that the reliability of an electric path is ensured. The resistance wire 29 is externally provided with a glass fiber sleeve 28, and the glass fiber sleeve 28 can improve insulation and temperature retention of the resistance wire 29.
The outer side of the part of the fishbone 13, which is positioned inside the threaded column 11, is provided with a PE binding wire 4, and the PE binding wire 4 sequentially bypasses the resistance wire 29 in one side release device 2, the insulating sleeve 19 in the compression device 1 and the resistance wire 29 in the other side release device 2, and is finally fixed on the fishbone 13 in the compression device 1. When the PE binding wire 4 is pre-tightened, the pre-tightening force can be applied to the PE binding wire 4 by twisting the lower nut 14, and finally, the locking is performed by the upper nut 12, so that the locking of the piece 15 to be unfolded is realized.
When the piece 15 to be unfolded is locked, the piece 15 to be unfolded is arranged in the compressing device 1, the spring 22 in the releasing device 2 is in a compressed state, the resistance wire 29 is fully contacted with the PE binding wire 4, and the PE binding wire 4 is in a tense state; when the piece 15 to be unfolded is released on the track, the release device 2 receives a fuse wire instruction, the resistance wire 29 converts electric energy input by the system into heat energy, the PE binding wire 4 is fused in expected time, and the connecting block 16 is separated from the supporting seat 17, so that the piece 15 to be unfolded is released.
Example 2
The utility model provides a hot melt formula compresses tightly release, includes setting up release 2 that set up from top to bottom in bottom plate 3 and setting up closing device 1 of release 2 one side, closing device 1 is fixed in through the screw on treating expansion piece 15, bottom plate 3 installs on the celestial body or mounting.
The PE binding wire 4 is wound in the following manner: the PE binding wire 4 sequentially bypasses the resistance wire 29 in the releasing device 2 arranged above, the resistance wire 29 in the releasing device 2 arranged below and the insulating sleeve 19 in the compressing device 1, and is finally fixed on the fishbone 13 in the compressing device 1.
Other structures are the same as those of embodiment 1, and will not be described here again.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A hot melt type compaction and release device is characterized in that: the PE binding wire comprises a bottom plate (3) and PE binding wires (4), wherein a release device (2) and a pressing device (1) for fixing a piece (15) to be unfolded are arranged on the bottom plate (3);
the compressing device (1) comprises a supporting seat (17) arranged on the bottom plate (3), a fixed shaft (18) is arranged in the supporting seat (17) in a penetrating manner, a connecting block (16) and a threaded column (11) are sequentially arranged above the supporting seat (17), a U-shaped chute is arranged inside the threaded column (11), a fishbone (13) capable of moving up and down along the U-shaped chute is arranged in the U-shaped chute, an upper nut (12) is arranged above the fishbone (13), a lower nut (14) is arranged below the fishbone (13), and the upper nut (12) and the lower nut (14) are connected onto the threaded column (11) in a threaded manner;
the release device (2) is provided with two release devices, the release device (2) comprises a single-shaft base (21), a moving shaft (24) is arranged in the single-shaft base (21) in a penetrating manner, one end, far away from the supporting seat (17), of the moving shaft (24) is provided with a baffle (23), a spring (22) is arranged between the baffle (23) and the single-shaft base (21), the other end of the moving shaft (24) is provided with a fixing mechanism, and a resistance wire (29) is arranged in the fixing mechanism;
the PE binding wire (4) is internally wrapped with the resistance wire (29), the fishbone (13) and the fixing shaft (18).
2. A hot melt compression release apparatus as claimed in claim 1, wherein: the supporting seat (17) is connected with the connecting block (16) in a conical pit spigot mode.
3. A hot melt compression release apparatus as claimed in claim 1, wherein: the supporting seat (17) is different from the connecting block (16) in material, and a lubricant is arranged at the joint of the supporting seat (17) and the connecting block (16).
4. A hot melt compression release apparatus as claimed in claim 1, wherein: the fixing mechanism comprises a connecting rod (25) arranged at one end of the movable shaft (24), pressing plates (26) are symmetrically arranged on the connecting rod (25), pressing rods (27) are arranged on the other side of the pressing plates (26), round holes are formed in one sides of the pressing rods (27) which are in contact with the pressing plates (26), and resistance wires (29) are arranged between the pressing rods (27) and the pressing plates (26).
5. A hot melt compression release apparatus as claimed in claim 1, wherein: an insulating sleeve (19) is arranged outside the fixed shaft (18).
6. A hot melt compression release apparatus as claimed in claim 1, wherein: and a glass fiber sleeve (28) is arranged outside the resistance wire (29).
7. A hot melt compression release apparatus as claimed in claim 1, wherein: the release devices (2) are symmetrically arranged at the two sides of the pressing device (1) in a left-right mode.
8. A hot melt compression release apparatus as claimed in claim 1, wherein: the release device (2) is arranged at one side of the pressing device (1) up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311466222.8A CN117485592A (en) | 2023-11-07 | 2023-11-07 | Hot melt type compaction and release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311466222.8A CN117485592A (en) | 2023-11-07 | 2023-11-07 | Hot melt type compaction and release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117485592A true CN117485592A (en) | 2024-02-02 |
Family
ID=89668600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311466222.8A Pending CN117485592A (en) | 2023-11-07 | 2023-11-07 | Hot melt type compaction and release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117485592A (en) |
-
2023
- 2023-11-07 CN CN202311466222.8A patent/CN117485592A/en active Pending
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