CN204452954U - The deployable planar structure of Small Satellite that a kind of torsion spring drives - Google Patents
The deployable planar structure of Small Satellite that a kind of torsion spring drives Download PDFInfo
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- CN204452954U CN204452954U CN201520095666.XU CN201520095666U CN204452954U CN 204452954 U CN204452954 U CN 204452954U CN 201520095666 U CN201520095666 U CN 201520095666U CN 204452954 U CN204452954 U CN 204452954U
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Abstract
The utility model relates to space technology field, aims to provide the deployable planar structure of Small Satellite that a kind of torsion spring drives.The deployable planar structure of Small Satellite of this kind of torsion spring driving comprises equilateral triangle expanding unit, equilateral triangle expanding unit comprises thin-walled bar, node, joint, torsion spring and bearing pin, and utilizes different node splicings between adjacent equilateral triangle expanding unit.Deployable planar structure of the present utility model utilizes the torsion spring of self joint to drive and launches, and can transfer deployed condition to fast from folded state, and simple to operate, expansion reliability is high.
Description
Technical field
The utility model is about space technology field, particularly the deployable planar structure of Small Satellite that drives of a kind of torsion spring.
Background technology
In recent years, small satellite, due to the advantage such as its quality is light, cost is low and research cycle is short, more and more comes into one's own.But small satellite lighter weight, small volume, self gesture stability is limited in one's ability, so current small satellite seldom carries workplatform, makes small satellite function limitation.Current small satellite mainly carrys out receiving and transmitting signal with small helical antenna, satellite surface pastes solar battery sheet to obtain energy, and is not the antenna platform by carrying and solar sail.
In order to expand the application of small satellite, in the urgent need to a kind of larger, platform structure that can be arranged on small satellite, various capacity weight can be installed.Usually, consider the finite energy that the limited bulk of carrier rocket satellite fairing and small satellite can provide, the platform structure of small satellite usually adopts deployable structure form and launches as type of drive using the potential energy of rounding state deposit, but it is not still very ripe, the technology that commonality is very strong in other words, the market outlook in this field are had an optimistic view of.
Utility model content
Main purpose of the present utility model is to overcome deficiency of the prior art, provides the workplatform that the deployable planar structure that a kind of folding ratio is high, reliability is high, launch rapidly and efficiently, can be suitable for small satellite is formed.For solving the problems of the technologies described above, solution of the present utility model is:
The deployable planar structure of the Small Satellite providing a kind of torsion spring to drive, main body is thin-walled bar, the deployable planar structure of described Small Satellite comprises equilateral triangle expanding unit, described equilateral triangle expanding unit comprises thin-walled bar, node, joint, torsion spring and bearing pin, and utilizes different node splicings between adjacent equilateral triangle expanding unit; Wherein, described node is divided into six to node, four-way node, three-dimensional node, bidirectional nodes, Centroid;
The inside of described thin-walled bar is provided with space for installing capacity weight; the two ends of thin-walled bar have riveted holes A; thin-walled bar also has mounting-positioning holes and cable hole; mounting-positioning holes is used for the capacity weight that fixing internal is installed, and cable hole is used for intra-payload and outside connection;
Described node is the gusset plate being provided with mounting groove, and each mounting groove is the groove for being connected with the joint of thin-walled bar one end, and mounting groove is provided with torsion spring hole and pin shaft hole; Wherein, six are provided with six mounting grooves to node, four-way node is provided with four mounting grooves, three-dimensional node is provided with three mounting grooves, bidirectional nodes is provided with two mounting grooves, Centroid be below with base six to node, base is the hollow cylinder being provided with tapped bore, is connected with small satellite for realizing the deployable planar structure of Small Satellite;
Described joint is provided with riveted holes B, torsion spring hole and pin shaft hole; the two ends of thin-walled bar are connected with joint respectively by riveted holes A, riveted holes B; each mounted joint in thin-walled bar end, again respectively by torsion spring hole, pin shaft hole, utilizes torsion spring to be connected with a mounting groove of node with bearing pin; Described torsion spring is used for: provide deploying force when the deployable planar structure of Small Satellite is launched, and when the deployable planar structure of Small Satellite is in deployed condition, provides the surface accuracy of reserved moment of torsion holding structure balance and plane.
In the utility model, described node has hole, for alleviating quality; And gusset plate as the inhibiting device of connected torsion spring, specifically can refer to: torsion spring, when driving the deployable planar structure of Small Satellite to launch, contacts with gusset plate after thin-walled bar 90-degree rotation, continue to rotate for limiting thin-walled bar.
In the utility model, one end of described bearing pin is with termination, and other end inside is provided with tapped bore; Bearing pin utilizes bolt to be connected with node by tapped bore.
In the utility model, the deployable planar structure of described Small Satellite is symmetrical structure, and Centroid is arranged on the center of the deployable planar structure of Small Satellite.
In the utility model, the material of described thin-walled bar adopts carbon fibre material (through thermal control process, for improving the space adaptability of capacity weight); The material of described node and joint all adopts high-strength aluminum alloy material (model machine adopting 2A12 aluminum alloy); Described torsion spring adopts corrosion-resistant steel torsion spring, and (verified by high/low temperature vacuum test, the environment of the orbit altitude that certification testing condition is finally worked by this deployed configuration determines; Torsion spring stiffness gets rigidity when can just meet fundamental frequency requirement, and on model machine, torsion spring stiffness used is 1.85Nmm/ °); Described bearing pin adopts the bearing pin of titanium alloy material.
Installation method based on the deployable planar structure of described Small Satellite being provided, for being connected after deployable for Small Satellite planar structure assembling with small satellite, specifically comprising the steps:
Steps A (installation of capacity weight): the two ends of capacity weight are respectively connected the wire that a section (shorter) can stretch out thin-walled bar, then capacity weight is put in frock, and slowly push thin-walled bar inside, after the mounting-positioning holes of thin-walled bar aligns with the tapped bore on capacity weight, be screwed into bolt and tighten, extract frock again, and the cable hole of the wire at capacity weight two ends from thin-walled bar is drawn;
The step B connection of joint (thin-walled bar with): first use the bonding thin-walled bar of structural adhesion and joint, after waiting 24 hours and solidifying, rivets the riveted holes B self-plugging rivet of the riveted holes A on thin-walled bar, joint;
Step C (thin-walled bar and six is to the connection of node, three-dimensional node, four-way node and Centroid): first one end of torsion spring is stretched in the torsion spring hole on the joint connected with thin-walled bar, then the joint with torsion spring and thin-walled bar is put into the groove of the mounting groove on node, adjustment position, in the torsion spring hole that the other end of torsion spring is penetrated on node, pass bearing pin after mixing up position, and bolt of screwing on is fixed;
Step D (installation of bidirectional nodes): according to the planar view of the deployable planar structure of required Small Satellite (can with reference to the layout of figure 4), the node installing thin-walled bar be put corresponding position, bidirectional nodes in connection;
Step e (welding of wire): by the wire bonds of stretching out in adjacent thin-walled bar together, and finally the base hollow cylinder of wire by Centroid is passed;
Step F (connection of the deployable planar structure of Small Satellite and small satellite): the top board hollow cylinder Centroid base of deployable for the Small Satellite connected planar structure being put into small satellite, and the tapped bore of Centroid is alignd with the connecting bore of small satellite top board, penetrate screw in the hole after alignment and fix;
Step G (connection of wire): the wire that small satellite is drawn is connected with the wire at Small Satellite deployable planar structure Centroid place.
In the utility model, the two ends of described capacity weight are threaded hole, for coordinating with the mounting-positioning holes on thin-walled bar, realize the fixed installation of capacity weight.
In the utility model, the centre of described small satellite top board is provided with overhanging top board hollow cylinder, the internal diameter of top board hollow cylinder is the base external diameter of the deployable planar structure Centroid of Small Satellite, and top board hollow cylinder is provided with the connecting bore coordinated with base upper screwed hole.
In the utility model, described frock is used for the installation of capacity weight; The front end band of frock is fluted, for putting into capacity weight, the middle part of frock is provided with protruding plate, for limiting the single-way moving of capacity weight, the length of frock meets when capacity weight is in place can also extract frock, the height of frock meets capacity weight when being in place, and capacity weight contacts with the upper surface of thin-walled bar.
Principle of work of the present utility model: the plane precision being carried out holding structure by the reserved moment of torsion of torsion spring and the position-limiting action of base plate, mechanism's symmetry is launched, the impulsive force of in-plane is cancelled out each other, only have impulsive force in the normal direction in face, can not cause obvious rolling to satellite, it is closed triangle that flat topology closes, as long as there are both sides to launch, triangle just can launch, and expansion reliability is high, and launches rapidly.
Compared with prior art, the beneficial effects of the utility model are:
1, the deployable planar structure of Small Satellite of the present utility model, its rounding state size depends on the sectional dimension of rod member, deployed condition size depends on the length dimension of rod member, therefore storage is larger, the large space demand used in little space requirement when meeting rocket launching and space, and it is when folded state, also because of weight is little and and storage rate high, there is the advantage be convenient for carrying.
2, the deployable planar structure of Small Satellite of the present utility model utilizes the torsion spring of self joint to drive expansion, can transfer deployed condition to fast, and can effectively use within the time being less than 1 second from folded state, and simple to operate, expansion reliability is high.
3, the deployable planar structure of Small Satellite of the present utility model; can capacity weight be arranged in rod member, be easy to realize thermal control and protection, make capacity weight have good working environment; high-precision workplatform is provided, has expanded the function and application field of small satellite.
4, the deployable planar structure of Small Satellite of the present utility model makes simple, can be mass, has very high practical value and promotional value.
Accompanying drawing explanation
Fig. 1 is the rounding state schematic diagram of the deployable planar structure of Small Satellite.
Fig. 2 is the expansion process view of the deployable planar structure of Small Satellite.
Fig. 3 is the complete deployed condition schematic diagram of the deployable planar structure of Small Satellite.
Fig. 4 is the integral structure block diagram of the deployable planar structure of Small Satellite.
Fig. 5 is the connection diagram of thin-walled bar and joint.
Node schematic diagram centered by Fig. 6.
Fig. 7 is three-dimensional node schematic diagram.
Fig. 8 be six to node and assembling schematic diagram.
Fig. 9 is four-way node schematic diagram.
Figure 10 is bidirectional nodes and assembling schematic diagram thereof.
Figure 11 is the scheme of installation of frock to capacity weight.
Figure 12 is schematic diagram after capacity weight is installed.
Node and small satellite connection diagram centered by Figure 13.
Reference numeral in figure is: the deployable planar structure of 1 Small Satellite; 2 small satellites; 3 riveted holes A; 4 top board hollow cylinders; 5 thin-walled bars; 6 Centroids; 7 three-dimensional nodes; 8 six to node; 9 four-way nodes; 10 bidirectional nodes; 11 joints; 12 cable holes; 13 mounting-positioning holes; 14 riveted holes B; 15 ribbed stiffeners; 16 torsion springs; 17 bearing pins; 18 capacity weights; 19 tapped bore; 20 frocks.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
The deployable planar structure 1 of Small Satellite that a kind of torsion spring as shown in Figure 1, Figure 2, Figure 3 shows drives, is combined by basic equilateral triangle expanding unit, is driven launch by the torsion spring 16 of Nodes, can as the lift-launch workplatform of small satellite 2.The main body of the deployable planar structure 1 of described Small Satellite is thin-walled bar 5, also comprises node, joint 11, torsion spring 16 and bearing pin 17.
As shown in Figure 5, the inner space of described thin-walled bar 5 is for installing capacity weight 18; two ends of thin-walled bar 5 have riveted holes A3; thin-walled bar 5 also has mounting-positioning holes 13 and cable hole 12; mounting-positioning holes 13 is for the capacity weight 18 of fixing internal; cable hole 12, for intra-payload 18 and outside connection, by the electrical energy transfer of small satellite 2 inside on the capacity weight 18 in thin-walled bar 5, can ensure the normal work of capacity weight 18.The material of thin-walled bar 5 adopts carbon fibre material, lightweight, high strength, and thin-walled bar 5 is through thermal control process, makes capacity weight 18 have good space adaptability.
Described node adopts high-strength aluminum alloy material manufacture, and quality is light, intensity is high, is easy to be processed into more complicated node shape.Node is the gusset plate being provided with mounting groove, and node also has a large amount of holes, for alleviating quality.Each mounting groove is the groove for being connected with the joint 11 of thin-walled bar 5 one end, and mounting groove is provided with torsion spring hole and pin shaft hole.Wherein, six are provided with six mounting grooves to node 8, as shown in Figure 8; Four-way node 9 is provided with four mounting grooves, as shown in Figure 9; Three-dimensional node 7 is provided with three mounting grooves, as shown in Figure 7; Bidirectional nodes 10 is provided with two mounting grooves, as shown in Figure 10; Centroid 6 be below with base six to node, base is the hollow cylinder being provided with tapped bore, is connected with small satellite 2 for realizing the deployable planar structure 1 of Small Satellite, specifically can with reference to figure 6.Node base plate as the inhibiting device of connected torsion spring 16, specifically can refer to: torsion spring 16, when driving the deployable planar structure 1 of Small Satellite to launch, with node contacts baseplate after thin-walled bar 5 90-degree rotation, continues to rotate for limiting thin-walled bar 5.
Described joint 11 adopts high-strength aluminum alloy material manufacture, and quality is light, intensity is high, is easy to be processed into more complicated shape.Joint 11 is provided with riveted holes B14 and torsion spring hole; the two ends of thin-walled bar 5 are connected with joint 11 respectively by riveted holes A3, riveted holes B14; each mounted joint 11 in thin-walled bar 5 end, again respectively by torsion spring hole, utilizes torsion spring 16 to be connected with a mounting groove of node with bearing pin 17.
Described torsion spring 16 1 aspect provides deploying force when the deployable planar structure 1 of Small Satellite is launched, and rod member and node contacts baseplate after driving rod member 90-degree rotation, can not continue to rotate; After another aspect expansion puts in place, torsion spring 16 still has reserved moment of torsion, can stablize by holding structure like this, and keeps the surface accuracy of plane.During gathering, the twist angle of torsion spring 16 is comparatively large, and torsion spring 16 is in high-stress state.Torsion spring 16 adopts corrosion-resistant steel torsion spring, low temperature resistant, be suitable for space environment, torsion spring 16 rigidity gets the rigidity (on model machine, torsion spring stiffness used is 1.85N mm/ °) when can just meet fundamental frequency requirement, and verified (environment of the orbit altitude that certification testing condition is finally worked by this deployed configuration determines) by high/low temperature vacuum test, also to ensure that torsion spring 16 rigidity after repeatedly repeating expansion and long-time gathering does not reduce.Described bearing pin 17 adopts the manufacture of titanium alloy material, and intensity is high, lighter weight; One end of bearing pin 17 is with termination, and other end inside is provided with tapped bore; Bearing pin 17 utilizes bolt to be connected with node by tapped bore, and such connection mode can be avoided causing distortion to the thin-walled node connected during tools for bolts ' pretension.
After described thin-walled bar 5 is connected by joint 11, torsion spring 16, bearing pin 17, node, form equilateral triangle expanding unit, and utilize the sensor selection problem being provided with the different mounting groove of quantity, equilateral triangle expanding unit is spliced into the deployable planar structure 1 of required Small Satellite.The deployable planar structure 1 of Small Satellite is symmetrical structure, and Centroid 6 is arranged on the center of the deployable planar structure 1 of Small Satellite.
The installation method of the deployable planar structure 1 of Small Satellite, comprises the deployable planar structure 1 of Small Satellite and assembles, is connected with small satellite 2, specifically comprise the steps:
Steps A (installation of capacity weight 18): the wire that can stretch out thin-walled bar 5 two ends of capacity weight 18 respectively being connected a section shorter, then capacity weight 18 is put in frock 20, and it is inner slowly to push thin-walled bar 5, after the mounting-positioning holes 13 of thin-walled bar 5 aligns with the tapped bore 19 on capacity weight 18, be screwed into bolt tightening, extract frock 20 again, and the cable hole 12 of the wire at capacity weight 18 two ends from thin-walled bar 5 is drawn.As shown in Figure 11, Figure 12.
The two ends of described capacity weight 18 are threaded hole 19, for coordinating with the mounting-positioning holes 13 on thin-walled bar 5, realize the fixed installation of capacity weight 18.
Described frock 20 is for the installation of capacity weight 18; The front end band of frock 20 is fluted, for putting into capacity weight 18, the middle part of frock 20 is provided with protruding plate, for limiting the single-way moving of capacity weight 18, the length of frock 20 meets when capacity weight 18 is in place can also extract frock 20, the height of frock 20 meets capacity weight 18 when being in place, and capacity weight 18 contacts with the upper surface of thin-walled bar 5, conveniently connects.
The step B connection of joint 11 (thin-walled bar 5 with): first use the bonding thin-walled bar 5 of structural adhesion and joint 11, after waiting 24 hours and solidifying, rivets the riveted holes B14 self-plugging rivet of the riveted holes A3 on thin-walled bar 5, joint 11.
Step C (thin-walled bar 5 with six to the connection of node 8, three-dimensional node 7, four-way node 9 and Centroid 6): first one end of torsion spring 16 is stretched in the torsion spring hole on the joint 11 be connected with thin-walled bar 5, then the joint 11 with torsion spring 16 and thin-walled bar 5 is put into the mounting groove groove on node, adjustment position, in the torsion spring hole that the other end of torsion spring 16 is penetrated on node, pass bearing pin 17 after mixing up position, and bolt of screwing on is fixed.
Step D (installation of bidirectional nodes 10): according to the planar view of the deployable planar structure 1 of required Small Satellite, with reference to the layout of figure 4, can put corresponding position the node installing thin-walled bar 5, bidirectional nodes 10 in connection.
Step e (welding of wire): by the wire bonds of stretching out in adjacent thin-walled bar 5 together, and finally the base hollow cylinder of wire by Centroid 6 is passed.
Step F (connection of the deployable planar structure of Small Satellite 1 and small satellite 2): hollow cylinder Centroid 6 base of deployable for the Small Satellite connected planar structure 1 being put into small satellite 2 top board, and the tapped bore of Centroid 6 is alignd with the connecting bore of small satellite 2 top board, penetrate screw in the hole after alignment and fix.
As shown in figure 13, the centre of small satellite 2 top board is provided with overhanging top board hollow cylinder 4, the internal diameter of top board hollow cylinder 4 is the base external diameter of Small Satellite deployable planar structure 1 Centroid 6, and top board hollow cylinder 4 is provided with the connecting bore coordinated with base upper screwed hole.
Step G (connection of wire): the wire of being drawn by small satellite 2 is connected with the wire at Small Satellite deployable planar structure 1 Centroid 6 place.
Finally, it should be noted that above what enumerate is only specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, can also have a lot of distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed in the utility model, all should think protection domain of the present utility model.
Claims (5)
1. the deployable planar structure of Small Satellite of a torsion spring driving, main body is thin-walled bar, it is characterized in that, the deployable planar structure of described Small Satellite comprises equilateral triangle expanding unit, described equilateral triangle expanding unit comprises thin-walled bar, node, joint, torsion spring and bearing pin, and utilizes different node splicings between adjacent equilateral triangle expanding unit; Wherein, described node is divided into six to node, four-way node, three-dimensional node, bidirectional nodes, Centroid;
The inside of described thin-walled bar is provided with space for installing capacity weight; the two ends of thin-walled bar have riveted holes A; thin-walled bar also has mounting-positioning holes and cable hole; mounting-positioning holes is used for the capacity weight that fixing internal is installed, and cable hole is used for intra-payload and outside connection;
Described node is the gusset plate being provided with mounting groove, and each mounting groove is the groove for being connected with the joint of thin-walled bar one end, and mounting groove is provided with torsion spring hole and pin shaft hole; Wherein, six are provided with six mounting grooves to node, four-way node is provided with four mounting grooves, three-dimensional node is provided with three mounting grooves, bidirectional nodes is provided with two mounting grooves, Centroid be below with base six to node, base is the hollow cylinder being provided with tapped bore, is connected with small satellite for realizing the deployable planar structure of Small Satellite;
Described joint is provided with riveted holes B, torsion spring hole and pin shaft hole; the two ends of thin-walled bar are connected with joint respectively by riveted holes A, riveted holes B; each mounted joint in thin-walled bar end, again respectively by torsion spring hole, pin shaft hole, utilizes torsion spring to be connected with a mounting groove of node with bearing pin; Described torsion spring is used for: provide deploying force when the deployable planar structure of Small Satellite is launched, and when the deployable planar structure of Small Satellite is in deployed condition, provides the surface accuracy of reserved moment of torsion holding structure balance and plane.
2. the deployable planar structure of Small Satellite according to claim 1, is characterized in that, described node has hole, for alleviating quality; And gusset plate as the inhibiting device of connected torsion spring, specifically can refer to: torsion spring, when driving the deployable planar structure of Small Satellite to launch, contacts with gusset plate after thin-walled bar 90-degree rotation, continue to rotate for limiting thin-walled bar.
3. the deployable planar structure of Small Satellite according to claim 1, is characterized in that, one end of described bearing pin is with termination, and other end inside is provided with tapped bore; Bearing pin utilizes bolt to be connected with node by tapped bore.
4. the deployable planar structure of the Small Satellite according to claims 1 to 3 any one, is characterized in that, the deployable planar structure of described Small Satellite is symmetrical structure, and Centroid is arranged on the center of the deployable planar structure of Small Satellite.
5. the deployable planar structure of the Small Satellite according to claims 1 to 3 any one, is characterized in that, the material of described thin-walled bar adopts carbon fibre material; The material of described node and joint all adopts high-strength aluminum alloy material; Described torsion spring adopts corrosion-resistant steel torsion spring; Described bearing pin adopts the bearing pin of titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520095666.XU CN204452954U (en) | 2015-02-04 | 2015-02-11 | The deployable planar structure of Small Satellite that a kind of torsion spring drives |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056864 | 2015-02-04 | ||
| CN201510056864X | 2015-02-04 | ||
| CN201520095666.XU CN204452954U (en) | 2015-02-04 | 2015-02-11 | The deployable planar structure of Small Satellite that a kind of torsion spring drives |
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| CN204452954U true CN204452954U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510071682.XA Expired - Fee Related CN104648694B (en) | 2015-02-04 | 2015-02-11 | Torsion spring driven moonlet borne expandable plane structure and mounting method thereof |
| CN201520095666.XU Expired - Fee Related CN204452954U (en) | 2015-02-04 | 2015-02-11 | The deployable planar structure of Small Satellite that a kind of torsion spring drives |
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| CN201510071682.XA Expired - Fee Related CN104648694B (en) | 2015-02-04 | 2015-02-11 | Torsion spring driven moonlet borne expandable plane structure and mounting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104648694A (en) * | 2015-02-04 | 2015-05-27 | 浙江大学 | Torsion spring driven moonlet borne expandable plane structure and mounting method thereof |
| CN105151320A (en) * | 2015-07-28 | 2015-12-16 | 上海卫星工程研究所 | Light and high-storage-ratio on-orbit truss unfolding structure |
| CN114784481A (en) * | 2022-03-11 | 2022-07-22 | 南京航空航天大学 | Scissor-fork type satellite-borne deployable film antenna |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4247755B2 (en) * | 1998-02-24 | 2009-04-02 | 独立行政法人 宇宙航空研究開発機構 | Expanded truss structure and antenna reflector |
| RU2356141C1 (en) * | 2008-01-09 | 2009-05-20 | Евгений Александрович Церелунов | Reflector of deployable antenna |
| CN102765491B (en) * | 2012-08-03 | 2014-08-06 | 西安电子科技大学 | Device for unfolding surface of space rope system |
| CN103354303B (en) * | 2013-06-13 | 2015-04-08 | 西安电子科技大学 | Expandable mesh parabolic cylinder antenna |
| CN104648694B (en) * | 2015-02-04 | 2017-01-11 | 浙江大学 | Torsion spring driven moonlet borne expandable plane structure and mounting method thereof |
-
2015
- 2015-02-11 CN CN201510071682.XA patent/CN104648694B/en not_active Expired - Fee Related
- 2015-02-11 CN CN201520095666.XU patent/CN204452954U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104648694A (en) * | 2015-02-04 | 2015-05-27 | 浙江大学 | Torsion spring driven moonlet borne expandable plane structure and mounting method thereof |
| CN105151320A (en) * | 2015-07-28 | 2015-12-16 | 上海卫星工程研究所 | Light and high-storage-ratio on-orbit truss unfolding structure |
| CN114784481A (en) * | 2022-03-11 | 2022-07-22 | 南京航空航天大学 | Scissor-fork type satellite-borne deployable film antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104648694A (en) | 2015-05-27 |
| CN104648694B (en) | 2017-01-11 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160211 |