CN106785312A - A kind of conical log-spiral antennas extendable device - Google Patents
A kind of conical log-spiral antennas extendable device Download PDFInfo
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- CN106785312A CN106785312A CN201710090466.9A CN201710090466A CN106785312A CN 106785312 A CN106785312 A CN 106785312A CN 201710090466 A CN201710090466 A CN 201710090466A CN 106785312 A CN106785312 A CN 106785312A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
Abstract
The invention discloses a kind of conical log-spiral antennas extendable device, including a fixed platform, and four parallel institutions and a roof panel above fixed platform are sequentially arranged at, the parallel institution includes the flexible slide rail linkage of platform, auxiliary platform and linkage platform and auxiliary platform；Platform diameter of the auxiliary platform of each parallel institution respectively with upper level parallel institution is identical, and most the auxiliary platform of upper level parallel institution is identical with roof panel diameter；Some are provided between platform and roof panel along its circumferentially distributed longitudinally adjusted rope, in the outside of longitudinally adjusted rope, helically wire is surrounded with conical log-spiral plain conductor between roof panel from the platform of first order parallel institution.Parallel institutions at different levels pass through the mutual linkage telescopic slide rail connecting rod mechanism movement of rope, so as to realize expansion and the overlapping of fixed platform, four parallel institutions and roof panel.The apparatus structure is simply compact, can effectively reduce storage volume, improves the utilization rate in space.
Description
Technical field
The present invention relates to helical antenna technical field, a kind of conical log-spiral antennas extendable device is specifically provided.
Background technology
Conical log-spiral antennas belong to the helical antenna of nonplanar structure, are a kind of typical broadband, circular polarized antenna,
One direction is obtained with without reflection cavity or reflecting surface to radiate, the top orientation of the radiation direction of antenna mainly towards circular cone.
The curvilinear equation of conical log-spiral isB=asin θ in formula0=sin θ0/tanα.R is sent from conical tip
The radius vector along the conical surface, α is that the angle between the tangent line of spiral and element of cone claims helical angle.Similar to plane equiangular spiral, b is
Constant.When helix from top (r0,) launch, α angles remain constant, so this spiral is also a kind of isogonism spiral shell
Spin line.Logarithm and azimuth due to rBetween have simple linear relationship, therefore, this helical antenna is referred to as circular cone pair
Number helical antenna.Current conical log-spiral antennas structure type is monoblock type, to improve space availability ratio, can be by circular cone
Log spiral antenna device is received to certain space, then by rope drive device by conical log-spiral antennas device exhibition
Open.Therefore, a kind of conical log-spiral antennas extendable device is designed meaningful.
The content of the invention
It is an object of the invention to by the storage of conical log-spiral antennas device to certain space, to be driven by rope
Device launches conical log-spiral antennas device, there is provided a kind of conical log-spiral antennas extendable device.
The present invention is realized by following technical proposals.
A kind of conical log-spiral antennas extendable device, including a fixed platform, and it is sequentially arranged at fixed platform top
Four parallel institutions and a roof panel, the parallel institution includes stretching for platform, auxiliary platform and linkage platform and auxiliary platform
Contracting slide rail linkage；Platform diameter of the auxiliary platform of each parallel institution respectively with upper level parallel institution is identical, most upper level
The auxiliary platform of parallel institution is identical with roof panel diameter；Parallel institutions at different levels pass through the mutual linkage telescopic slide rail linkage of rope
Motion, so as to realize expansion and the overlapping of fixed platform, four parallel institutions and roof panel；
Some are provided between the platform and roof panel of the first order parallel institution on the fixed platform circumferentially to divide along it
The longitudinally adjusted rope of cloth, in the outside of longitudinally adjusted rope, from the platform of first order parallel institution to helically line between roof panel
Shape is surrounded with conical log-spiral plain conductor, and conical log-spiral plain conductor has certain elastic force.
Preferably, the parallel institution includes the platform of disc-shape, flexible slide rail linkage is set on platform；It is described
Flexible slide rail linkage includes the dragline platform in hollow cylinder shape being provided with Platform center, and dragline platform side wall is around its axle
Line be uniformly provided with three for through rope mooring hawse, the side of dragline platform is provided with driving mooring hawse；In platform card around
Central shaft is uniformly provided with three circulatory motion pair grooves；Platform card upper surface is uniformly provided with three chutes, three around central shaft
It is individual be separately fixed at chute one end rope one positioning lead ring, three respectively connection drive connecting rod mounting groove and three set respectively
Snap-lock mechanism groove on the outside of chute.
Further, each circulatory motion pair groove side is respectively equipped with rectangular channel.
Preferably, the auxiliary platform card center is provided with and leads lockhole, three are uniformly provided with around central shaft on auxiliary platform
A pair symmetrically arranged fan groove a and fan groove b between individual circulatory motion pair groove, three circulatory motion pair grooves.
Further, most upper level auxiliary platform is only uniformly provided with three couples of symmetrically arranged fan groove a and sector around central shaft
Groove b.
Preferably, the platform card of the first order parallel institution is provided with a spring coiling mechanism, spring coiling mechanism passes through
It is threadedly secured on platform；Spring coiling mechanism is by rope through driving mooring hawse.
Preferably, the fixed platform is provided with three circulatory motion pair grooves one, three circulatory motion pair grooves one and platform
One three circulatory motions pair composition ring-shaped combination kinematic pair of groove one groove one；
Three circulatory motions pair groove of each auxiliary platform is moved with three circulatory motions pair groove composition ring-shaped combination of its platform
Secondary groove.
Further, rope is each passed through three mooring hawses through mooring hawse, and one dividing into three is driven, and then bypasses respectively
Three Suo Dingwei lead rings are connected on three sliding blocks, and three sliding blocks are connected with each slide respectively；Three snap-lock mechanisms point
An Zhuan not be in three snap-lock mechanism grooves.
Further, a drive connecting rod is connected respectively on three sliding blocks, sliding block one end is connected with slide respectively, actively
The connecting rod other end is rotated with each fan groove a by spherical pair be connected respectively；One has been respectively articulated with three circulatory motion pair grooves
Passive connecting rod, one end is rotated with platform by ring-shaped combination kinematic pair groove be connected respectively, and the other end is respectively by spherical pair and fan
Shape groove b rotates connection；Locating piece is threadedly secured in mounting groove.
Correspondingly, The present invention gives the expansion folding method of the conical log-spiral antennas extendable device, including
Following processes：
Drag rope drives drive connecting rod to make secondary flat so as to drive sliding block along slide under the restoring force of spring coiling mechanism
Platform steadily rises, and passive connecting rod also rises therewith；It is stuck in dragline platform by the knot for setting rope, connects upper level parallel machine
The rope of structure will drive upper level sliding block along slide, drive drive connecting rod upper level auxiliary platform is steadily risen, with such
Push away, while auxiliary platforms at different levels steadily rise, conical log-spiral plain conductor and longitudinally adjusted rope steadily rise with roof panel；
When each sliding block respectively slides to snap-lock mechanism position, each parallel institution will be locked, and now device is fully deployed, so as to draw
Tight longitudinally adjusted rope so that conical log-spiral plain conductor is adjusted to precalculated position.
Conversely, recovering the elastic force of spring coiling mechanism, the rope being wrapped in spring coiling mechanism is set slowly to discharge, roof panel will be in circle
Cause that each parallel institution draws under the restoring force of cone spiral metal wire, until the sliding block in each parallel-connection structure slides to chute one
End, so that device draws overlapping in completely.
The invention has the advantages that：
1) present apparatus is designed as multiple parallel institutions by by conical log-spiral antennas structure type, is driven by rope
Platform can be fully deployed, be overlapped by the restoring force of trochoid spiral plain conductor, it is simple and compact for structure.
2) compared to current conical log-spiral antennas monolithic construction, the present apparatus can improve the utilization rate in space, can have
The reduction storage volume of effect.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention provides conical log-spiral antennas extendable device deployed condition structural representation.
Fig. 2 is that the embodiment of the present invention provides conical log-spiral antennas extendable device gathering state structural representation.
Fig. 3 is fixed platform structural representation provided in an embodiment of the present invention.
Fig. 4 is the structural representation of parallel institution provided in an embodiment of the present invention.
Fig. 5 is the structural representation of platform provided in an embodiment of the present invention.
Fig. 6 is the structural representation of parallel institution provided in an embodiment of the present invention two.
Fig. 7 is the structural representation of platform provided in an embodiment of the present invention two.
Fig. 8 is the structural representation of parallel institution provided in an embodiment of the present invention three.
Fig. 9 is the structural representation of platform provided in an embodiment of the present invention three.
Figure 10 is the structural representation of parallel institution provided in an embodiment of the present invention four.
Figure 11 is the structural representation of platform provided in an embodiment of the present invention four.
In figure：1st, fixed platform；A11, circulatory motion pair groove；
2nd, parallel institution one；21st, platform one；2101st, dragline platform one；2102nd, mooring hawse one；2103rd, mooring hawse is driven；
2104th, circulatory motion pair groove one；2105th, rectangular channel one；2106th, ring-shaped combination kinematic pair groove one；2107th, chute one；2108th, rope
One positioning lead ring one；2109th, mounting groove one；2110th, snap-lock mechanism groove；
22nd, spring coiling mechanism；23rd, rope one；24th, sliding block one；25th, snap-lock mechanism one；26th, locating piece one；27th, actively connect
Bar one；28th, passive connecting rod one；29th, auxiliary platform one；2901st, lockhole is led；2902nd, circulatory motion pair groove two；2903rd, fan groove one
a；2904th, the b of fan groove one；
3rd, parallel institution two；31st, platform two；3101st, dragline platform two；3102nd, mooring hawse two；3103rd, circulatory motion pair groove
Two；3104th, rectangular channel two；3105th, ring-shaped combination kinematic pair groove two；3106th, chute two；3107th, the positioning of rope two lead ring two；
3108th, mounting groove two；3109th, snap-lock mechanism groove two；
32nd, rope two；3201st, knot；
33rd, sliding block two；34th, snap-lock mechanism two；35th, locating piece two；36th, drive connecting rod two；37 passive connecting rods two；38、
Auxiliary platform two；3801st, lockhole two is led；3802nd, circulatory motion pair groove three；3803rd, a of fan groove two；3804th, the b of fan groove two；
4th, parallel institution three；41st, platform three；4101st, dragline platform three；4102nd, mooring hawse three；4103rd, circulatory motion pair groove
Three；4104th, rectangular channel three；4105th, ring-shaped combination kinematic pair groove three；4106th, chute three；4107th, the positioning of rope three lead ring three；
4108th, mounting groove three；4109th, snap-lock mechanism groove three；
42nd, rope three；4201st, knot two；
43rd, sliding block three；44th, snap-lock mechanism three；45th, locating piece three；46th, drive connecting rod three；47th, passive connecting rod three；48、
Auxiliary platform three；4801st, lockhole three is led；4802nd, circulatory motion pair groove four；4803rd, a of fan groove three；4804th, the b of fan groove three；
5th, parallel institution four；51st, platform four；5101st, dragline platform four；5102nd, mooring hawse four；5103rd, circulatory motion pair groove
Four；5104th, rectangular channel four；5105th, ring-shaped combination kinematic pair groove four；5106th, chute four；5107th, Suo Si positioning lead ring four；
5108th, mounting groove four；5109th, snap-lock mechanism groove four；
52nd, rope four；5201st, knot four；
53rd, sliding block four；54th, snap-lock mechanism four；55th, locating piece four；56th, drive connecting rod four；57th, passive connecting rod four；58、
Auxiliary platform four；5801st, a of fan groove four；5802nd, the b of fan groove four；
6th, roof panel；7th, conical log-spiral plain conductor；8th, longitudinally adjusted rope.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Structure of the invention is explained in detail below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1, Fig. 2, a kind of conical log-spiral antennas extendable device, including fixed platform 1, parallel institution one
2nd, parallel institution 23, parallel institution 34, parallel institution 45, roof panel 6, conical log-spiral plain conductor 7 and longitudinal direction are adjusted
Whole rope 8.
Four parallel institutions include the flexible slide rail linkage of platform, auxiliary platform and linkage platform and auxiliary platform；Respectively simultaneously
Platform diameter of the auxiliary platform of online structure respectively with upper level parallel institution is identical, the most auxiliary platform of upper level parallel institution with top
Platform diameter is identical；Parallel institutions at different levels by the mutual linkage telescopic slide rail connecting rod mechanism movement of rope, so as to realize fixed platform,
The expansion of four parallel institutions and roof panel and overlapping.
As shown in figure 3, the shape in disk form of fixed platform 1, three circulatory motion pairs are uniformly provided with fixed platform around central shaft
The a11 of groove one.
As shown in figure 4, parallel institution 1 includes platform 1, spring coiling mechanism 22, the rope one 23, sliding block of disc-shape
One 24, snap-lock mechanism 1, locating piece 1, drive connecting rod 1, passive connecting rod 1 and auxiliary platform 1.Platform 1
Size is identical with fixed platform 1, and platform 1 is threadedly secured on fixed platform 1.
As shown in figure 5, setting flexible slide rail linkage on platform；Flexible slide rail linkage includes：The center of platform 1
Place is provided with the dragline platform 1 of hollow cylinder shape, and the side wall of dragline platform 1 is uniformly provided with three draglines around its axis
Hole 1, the side of dragline platform 1 is provided with driving mooring hawse 2103.It is uniform around central shaft in the card of platform 1
Three through grooves, i.e. circulatory motion pair groove 1 are provided with, three circulatory motion pair groove 1 sides are respectively equipped with rectangular channel one
2105.Three circulatory motions pair a11 of groove one of fixed platform 1 is annular with three circulatory motions pair composition of groove 1 of platform 1
Aggregate motion pair groove 1；The card upper surface of platform 1 is uniformly provided with three one 2107, three points of chutes around central shaft
The positioning lead ring one 2108, three of rope one for not being fixed on the one end of chute 1 connects the mounting groove one of drive connecting rod 1 respectively
2109 and three snap-lock mechanism grooves 1 for being respectively provided at the outside of chute 1.
As shown in figure 4, the card center of auxiliary platform 1 is provided with and leads lockhole 1, around central shaft on auxiliary platform 1
Be uniformly provided with a pair of fan groove a2903 between three circulatory motions pair groove, 2 2902, three circulatory motions pair grooves 2 2902 with
And fan groove b2904, fan groove a2903 and fan groove b2904 are symmetrical arranged.
As shown in figure 4, being provided with a spring coiling mechanism 22 in the card of platform 1, spring coiling mechanism 22 is threadedly secured to
On platform 1；Spring coiling mechanism 22, through mooring hawse 2103, and one dividing into three is driven, is each passed through three and led by rope 1
Rope hole 1, then bypasses three positioning lead rings 1 of rope one and is connected on three sliding blocks 1 respectively, three sliding blocks one
24 are slidably connected with each chute 1 respectively；Three snap-lock mechanisms 1 are separately mounted to three snap-lock mechanism grooves one
In 2110.
Be respectively connected with a drive connecting rod 1 on three sliding blocks 1, the one end of sliding block 1 respectively with chute 1
It is slidably connected, the other end of drive connecting rod 1 is rotated with each fan groove a2903 by spherical pair be connected respectively；In three annular fortune
A passive connecting rod 1 is respectively articulated with dynamic pair groove 1, one end passes through ring-shaped combination kinematic pair groove 1 and puts down respectively
Platform 1 rotates connection, and the other end is rotated with fan groove b2904 by spherical pair be connected respectively；Locating piece 1 is solid by screw thread
It is scheduled in mounting groove 1.
As shown in fig. 6, parallel institution 23 includes platform 2 31, rope 2 32, the sliding block 2 33, springlock of disc-shape
Mechanism 2 34, locating piece 2 35, drive connecting rod 2 36, passive connecting rod 2 37 and auxiliary platform 2 38.
Flexible slide rail linkage is set on platform；Flexible slide rail linkage includes：The shape in disk form of platform 2 31, size
Identical with the auxiliary platform 1, platform 2 31 is threadedly secured on auxiliary platform 1, and the center of platform 2 31 is provided with and is in
The dragline platform 2 3101 of hollow cylinder shape, the side wall of dragline platform 2 3101 is uniformly provided with three mooring hawses two around its axis
3102；In the card of platform 2 31 three through grooves, i.e. circulatory motion pair groove 2 3103, three annulars are uniformly provided with around central shaft
The side of kinematic pair groove 2 3103 is respectively equipped with rectangular channel 2 3104, three circulatory motions pair groove 2 2902 of auxiliary platform 1 with it is flat
Three circulatory motions pair composition ring-shaped combination kinematic pair of groove 2 3103 groove 2 3105 of platform 2 31；The card upper surface of platform 2 31 around
Central shaft is uniformly provided with the positioning lead ring two of rope two that three chutes 2 3106, three are separately fixed at the one end of chute 2 3106
3107th, three connect the mounting groove 2 3108 of drive connecting rod 2 36 and three bullets for being respectively provided at the outside of chute 2 3106 respectively
Spring lock machine flute 2 3109.
As shown in fig. 6, the card center of auxiliary platform 2 38 is provided with and leads lockhole 2 3801, around central shaft on auxiliary platform 2 38
It is uniformly provided with the a3803 of a pair of fan grooves two between three circulatory motion pair grooves, 3 3802, three circulatory motion pair grooves 3 3802
And fan groove two b3804, fan groove a2903 and fan groove b2904 are symmetrical arranged.
As shown in Fig. 5, Fig. 6, Fig. 7, three sliding blocks 2 33 are slidably connected with chute 2 3106 respectively；Wear the one end of rope 2 32
Dragline platform 1 is crossed, knot 1 is made at one end correct position of rope 2 32, one point of 2 32 other end of rope is
Three, three mooring hawses 2 3102 are each passed through, three positioning lead rings 2 3107 of rope two are then bypassed respectively is connected in three sliding blocks
On 2 33；Three snap-lock mechanisms 2 34 are separately mounted in three snap-lock mechanism grooves 2 3109.
It is to draw the position that knot 1 is determined under state in completely by device to be made knot 1, and device draws in completely
Under state, rope 2 32 sets knot 1 in the position extension L of dragline platform 1, and L is equal to device and launches rear platform 2 31
The height of institute's lifting subtracts the coasting distance of sliding block 2 33.
Three one end of drive connecting rod 2 36 are slidably connected with chute 2 3106 respectively, and the other end is respectively by spherical pair and fan
The a3803 of shape groove two rotates connection；Three passive connecting rods 2 34, one end passes through ring-shaped combination kinematic pair groove 2 3105 and platform respectively
2 31 rotate connection, and the other end is rotated with the b3804 of fan groove two by spherical pair be connected respectively；Locating piece 2 35 is solid by screw thread
It is scheduled in mounting groove 2 3108.
As shown in figure 8, parallel institution 34 includes platform 3 41, rope 3 42, the sliding block 3 43, springlock of disc-shape
Mechanism 3 44, locating piece 3 45, drive connecting rod 3 46, passive connecting rod 3 47 and auxiliary platform 3 48.
As shown in figure 9, setting flexible slide rail linkage on platform；Flexible slide rail linkage includes：Platform 3 41 is in circle
Disk shape, size is identical with auxiliary platform 2 38, and platform 3 41 is threadedly secured on auxiliary platform 2 48, the center of platform 3 41
It is provided with hollow cylinder shape dragline platform 3 4101, the side wall of dragline platform 3 4101 is uniformly provided with three mooring hawses three around its axis
4102；In the card of platform 3 41 three through grooves, i.e. circulatory motion pair groove 3 4103, three annular fortune are uniformly provided with around central shaft
Dynamic pair groove 3 4103 side is respectively equipped with rectangular channel 3 4104.Three circulatory motions pair a3802 of groove three of auxiliary platform 2 38 with it is flat
Three circulatory motions pair composition ring-shaped combination kinematic pair of groove 3 4103 groove 3 4105 of platform 3 41；Around central shaft on platform 3 41
It is uniformly provided with the positioning lead ring 3 4107, three of rope three that three chutes 3 4106, three are separately fixed at the one end of chute 3 4106
The mounting groove 3 4108 of drive connecting rod 3 46 and three snap-lock mechanisms for being respectively provided at the outside of chute 3 4106 are connected respectively
Groove 3 4109.
As shown in figure 8, the shape in disk form of auxiliary platform 3 48, the center of auxiliary platform 3 48 is provided with leads lockhole 3 4801, and pair is flat
On platform 3 48 three circulatory motion pair groove four a4802, three fan grooves, three a4803 and three fans are uniformly provided with around central shaft
The b4804 of shape groove three.
As shown in Figure 8,9, three sliding blocks 3 43 are slidably connected with chute 3 4106 respectively；The one end of rope 3 42 passes through dragline
Platform 2 3101, is made knot 2 4201, the other end one dividing into three of rope 3 42, difference at one end correct position of rope 3 42
Through three mooring hawses 3 4102, three positioning lead rings 3 4107 of rope three are then bypassed respectively and is connected on three sliding blocks 3 43；
Three snap-lock mechanisms 3 44 are separately mounted in three snap-lock mechanism grooves 3 4109.
The principle for being made knot 2 4201 is identical with the principle for being made knot 1.
Three one end of drive connecting rod 3 46 are slidably connected with chute 3 4106 respectively, and the other end is respectively by spherical pair and fan
The a4803 of shape groove three rotates connection；Three passive connecting rods 3 47, one end passes through ring-shaped combination kinematic pair groove 3 4105 and platform respectively
3 41 rotate connection, and the other end is rotated with the b4804 of fan groove three by spherical pair be connected respectively；Locating piece 3 45 is solid by screw thread
It is scheduled in mounting groove 3 4108.
As shown in Figure 10, parallel institution 45 includes platform 4 51, rope 4 52, the sliding block 4 53, springlock of disc-shape
Mechanism 4 54, locating piece 4 55, drive connecting rod 4 56, passive connecting rod 4 57 and auxiliary platform 4 58.
Flexible slide rail linkage is set on platform；Flexible slide rail linkage includes：The shape in disk form of platform 4 51, size
Identical with auxiliary platform 3 48, platform 4 51 is threadedly secured on auxiliary platform 3 48, and the center of platform 4 51 is provided with hollow
The dragline platform 4 5101 of cylindrical shape, the side of dragline platform 4 5101 is uniformly provided with three mooring hawses 4 5102 around its axis.
In the A51 cards of platform four three through grooves, i.e. circulatory motion pair groove 4 5103 are uniformly provided with around central shaft.Three circulatory motion pairs
The side of groove 4 5103 is respectively equipped with rectangular channel 4 5104, three circulatory motions pair groove 4 4801 and the platform 4 51 of auxiliary platform 3 48
Three circulatory motions pair composition of groove 4 5103 ring-shaped combination kinematic pair groove 4 5105；Uniformly set around central shaft on platform 4 51
The Suo Si positioning lead rings 4 5107, three for having three chutes 4 5106, three to be fixed on the one end of chute 4 5106 connect master respectively
The mounting groove 4 5108 of dynamic connecting rod 4 56 and three snap-lock mechanism grooves 4 5109 for being respectively provided at the outside of chute 4 5106.
As shown in Figure 10, the shape in disk form of auxiliary platform 4 58, three pairs of fans are uniformly provided with auxiliary platform 4 58 around central shaft
The a5801 of the shape groove four and b5802 of fan groove four.
As shown in Figure 10, Figure 11, three sliding blocks 4 53 are slidably connected with chute 4 5106 respectively；The one end of rope 4 52 passes through
Dragline platform 3 4101, is made knot 3 5201 at one end correct position of rope 4 52, the other end one dividing into three of rope 4 52,
Three mooring hawses 4 5102 are each passed through, three Suo Si positioning lead rings 4 5107 are then bypassed respectively and is connected in three sliding blocks 4 53
On；Three snap-lock mechanisms 4 54 are separately mounted in three snap-lock mechanism grooves 4 5109.
The principle for being made knot 3 5201 is identical with the principle for being made knot 1.
Three one end of drive connecting rod 4 56 are slidably connected with chute 4 5106 respectively, and the other end is respectively by spherical pair and fan
The a5801 of shape groove four rotates connection；Three passive connecting rods 4 57, one end passes through ring-shaped combination kinematic pair groove 4 5105 and platform respectively
4 51 rotate connection, and the other end is rotated with the b5802 of the fan groove four by spherical pair be connected respectively；Locating piece 4 55 passes through spiral shell
Line is fixed in mounting groove 4 5108.
As shown in figure 1, the shape in disk form of roof panel 6, size is identical with auxiliary platform 4 58, and roof panel 6 is threadably secured
On auxiliary platform 4 58.
The longitudinally adjusted rope 8 of the six roots of sensation, one end is respectively fixedly connected with platform 1, and the other end is respectively fixedly connected with roof panel 6.Circle
The one end of cone logarithmic spiral plain conductor 7 is connected on platform 1, and the other end is in spiral distribution to be looped around longitudinally adjusted rope 8 successively
Outside is to being connected on roof panel 6.The middle part of the longitudinally adjusted rope 8 of the six roots of sensation is uniformly connected in the conical log-spiral respectively
On plain conductor 7.
During present invention work, conical log-spiral antennas extendable device is in receiving state first, unclamps spring coiling mechanism
22, the drag rope 1 under the restoring force of spring coiling mechanism 22, so as to drive sliding block 1, makes sliding block one be slided along chute 1
It is dynamic, so as to drive drive connecting rod 1, auxiliary platform 1 is steadily risen, passive connecting rod 1 also rises therewith；By reasonable
The position of the knot 1 of rope 2 32 is set, and after auxiliary platform 1 is raised up to certain altitude, knot 3201 will be stuck in dragline
In platform 1, now rope 2 32 will drive sliding block 2 33, sliding block 2 33 is slided along chute 2 3106, so as to drive actively
Connecting rod 2 36, makes auxiliary platform 2 38 steadily rise, and passive connecting rod 2 37 also rises therewith；By the rope for rationally setting rope 3 42
The position of knot 2 4201, after auxiliary platform 2 38 is raised up to certain altitude, knot 2 4201 will be stuck in dragline platform 2 3101, now
Rope 3 42 will drive sliding block 3 43, sliding block 3 43 is slided along chute 3 4106, so as to drive drive connecting rod 3 46, make secondary flat
Platform 3 48 steadily rises, and passive connecting rod 3 47 also rises therewith；By rationally setting the position of the knot 4 5201 of rope 4 52,
After auxiliary platform 3 48 is raised up to certain altitude, knot 3 5201 will be stuck in dragline platform 3 4101, and now rope 4 52 will drive
Sliding block 4 53, makes sliding block 4 53 be slided along chute 4 5106, so as to drive drive connecting rod 3 56, auxiliary platform 4 58 is steadily risen
Rise, passive connecting rod 3 57 also rises therewith；Auxiliary platform 1, auxiliary platform 2 38, auxiliary platform 3 48 and auxiliary platform 4 58 steadily rise
While rising, conical log-spiral plain conductor 7 and longitudinally adjusted rope 8 steadily rise with roof panel 6, when sliding block one 24, sliding block
2 33, sliding block 3 43 and sliding block 4 53 respectively slide to snap-lock mechanism 1, snap-lock mechanism 2 34, snap-lock mechanism 3 44
During with 4 54 position of snap-lock mechanism, parallel institution 1, parallel institution 23, parallel institution 34 and parallel institution 45 will be locked
Fixed, now conical log-spiral antennas extendable device is fully deployed, so as to tense longitudinally adjusted rope 8 so that conical log spiral shell
Rotation plain conductor 7 is adjusted to precalculated position.Conversely, recovering the elastic force of spring coiling mechanism 22, make the rope being wrapped in spring coiling mechanism 22
Rope 1 slowly discharges, and roof panel 6 will cause that each parallel institution draws under the restoring force of trochoid spiral plain conductor 7, until
Sliding block in each parallel-connection structure slides to chute one end, so that device draws overlapping in completely.
The present apparatus drives steady expansion by rope, simple and compact for structure, can effectively reduce storage volume.
A kind of example of present invention offer is the foregoing is only, the invention is not limited in above-described embodiment, at this
On the basis of the technical scheme of disclosure of the invention, those skilled in the art is according to disclosed technology contents, it is not necessary to creative
Work some of which technical characteristic can just be made some replace and deform, these replace and deform of the invention
In protection domain.
Claims (10)
1. a kind of conical log-spiral antennas extendable device, it is characterised in that：Including a fixed platform, and it is sequentially arranged at calmly
Four parallel institutions and a roof panel above platform, the parallel institution include platform, auxiliary platform and linkage platform with pair
The flexible slide rail linkage of platform；Platform diameter of the auxiliary platform of each parallel institution respectively with upper level parallel institution is identical,
Most the auxiliary platform of upper level parallel institution is identical with roof panel diameter；Parallel institutions at different levels pass through the mutual linkage telescopic slide rail of rope
Connecting rod mechanism movement, so as to realize expansion and the overlapping of fixed platform, four parallel institutions and roof panel；
Be provided between the platform and roof panel of the first order parallel institution on the fixed platform some it is circumferentially distributed along its
Longitudinally adjusted rope, in the outside of longitudinally adjusted rope, from the platform of first order parallel institution to helically wire loop between roof panel
It is wound with conical log-spiral plain conductor.
2. a kind of conical log-spiral antennas extendable device according to claim 1, it is characterised in that：The parallel machine
Structure includes the platform of disc-shape, and flexible slide rail linkage is set on platform；The flexible slide rail linkage is included in platform
The dragline platform in hollow cylinder shape being provided with the heart, dragline platform side wall is uniformly provided with three for through rope around its axis
Mooring hawse, the side of dragline platform is provided with driving mooring hawse；In platform card three annular fortune are uniformly provided with around central shaft
Dynamic pair groove；Platform card upper surface is uniformly provided with three chutes, three ropes one for being separately fixed at chute one end around central shaft
Positioning lead ring, three mounting grooves and three snap-lock mechanism grooves being respectively provided on the outside of chute for connecting drive connecting rod respectively.
3. a kind of conical log-spiral antennas extendable device according to claim 2, it is characterised in that：Each circulatory motion
Secondary groove side is respectively equipped with rectangular channel.
4. a kind of conical log-spiral antennas extendable device according to claim 1, it is characterised in that：The auxiliary platform
Card center is provided with leads lockhole, and three circulatory motion pair grooves, three circulatory motions are uniformly provided with around central shaft on auxiliary platform
A pair symmetrically arranged fan groove a and fan groove b between secondary groove.
5. a kind of conical log-spiral antennas extendable device according to claim 4, it is characterised in that：Most upper level pair
Platform is only uniformly provided with three couples of symmetrically arranged fan groove a and fan groove b around central shaft.
6. a kind of conical log-spiral antennas extendable device according to claim 1, it is characterised in that：The first order
The platform card of parallel institution is provided with a spring coiling mechanism, and spring coiling mechanism is threadedly secured on platform；Spring coiling mechanism leads to
Cross rope through driving mooring hawse.
7. a kind of conical log-spiral antennas extendable device according to claim 1, it is characterised in that：The fixed platform
Three circulatory motion pair grooves one are provided with, three circulatory motion pair grooves one constitute ring with three circulatory motions pair groove one of platform one
Shape aggregate motion pair groove one；
Three circulatory motions pair groove of each auxiliary platform constitutes ring-shaped combination kinematic pair groove with three circulatory motions pair groove of its platform.
8. a kind of conical log-spiral antennas extendable device according to claim any one of 1-7, it is characterised in that：Rope
Rope wears mooring hawse of overdriving, and one dividing into three, is each passed through three mooring hawses, three Suo Dingwei lead rings is then bypassed respectively and is connected
On three sliding blocks, three sliding blocks are connected with each slide respectively；Three snap-lock mechanisms are separately mounted to three springlocks
In mechanism's groove.
9. a kind of conical log-spiral antennas extendable device according to claim 8, it is characterised in that：On three sliding blocks
A drive connecting rod is connected respectively, sliding block one end is connected with slide respectively, the drive connecting rod other end passes through spherical pair respectively
Rotated with each fan groove a and be connected；A passive connecting rod is respectively articulated with three circulatory motion pair grooves, one end is respectively by annular
Aggregate motion pair groove is rotated with platform and is connected, and the other end is rotated with fan groove b by spherical pair be connected respectively；Locating piece passes through spiral shell
Line is fixed in mounting groove.
10. a kind of expansion folding method of conical log-spiral antennas extendable device, it is characterised in that：Comprise the steps：
Drag rope drives sliding block along slide under the restoring force of spring coiling mechanism, drives drive connecting rod auxiliary platform is steadily risen
Rise, passive connecting rod also rises therewith；It is stuck in dragline platform by the knot for setting rope, connects the rope of upper level parallel institution
Upper level sliding block will be driven along slide, drive drive connecting rod upper level auxiliary platform is steadily risen, by that analogy, pairs at different levels
While platform steadily rises, conical log-spiral plain conductor and longitudinally adjusted rope steadily rise with roof panel；When each sliding block
When respectively sliding to snap-lock mechanism position, each parallel institution will be locked, and now device is fully deployed, so as to tense longitudinal tune
Whole rope so that conical log-spiral plain conductor is adjusted to precalculated position；
Conversely, recovering the elastic force of spring coiling mechanism, the rope being wrapped in spring coiling mechanism is set slowly to discharge, roof panel will be in circular cone spiral shell
Cause that each parallel institution draws under the restoring force of rotation plain conductor, until the sliding block in each parallel-connection structure slides to chute one end, from
And device is drawn overlapping in completely.
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| CN201710090466.9A CN106785312B (en) | 2017-02-20 | 2017-02-20 | A kind of conical log-spiral antennas extendable device |
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| CN201710090466.9A CN106785312B (en) | 2017-02-20 | 2017-02-20 | A kind of conical log-spiral antennas extendable device |
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| CN106785312B CN106785312B (en) | 2019-02-22 |
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| CN109273827A (en) * | 2018-08-14 | 2019-01-25 | 浙江大学 | Adjustable flexibility antenna |
| CN110718735A (en) * | 2019-10-18 | 2020-01-21 | 中国人民解放军军事科学院国防科技创新研究院 | Self-driven expansion type conical antenna |
| CN111129721A (en) * | 2020-01-13 | 2020-05-08 | 上海航天测控通信研究所 | Deployable helical antenna |
| CN112018487A (en) * | 2020-08-24 | 2020-12-01 | 西安电子科技大学 | Deployable helical antenna, communication system, radar and electronic countermeasure system |
| EP3790107A1 (en) * | 2019-09-06 | 2021-03-10 | Eagle Technology, LLC | Deployable disk antenna |
| CN113224498A (en) * | 2021-05-19 | 2021-08-06 | 上海航天空间技术有限公司 | Novel high-storage-rate VHF antenna |
| CN114166074A (en) * | 2021-01-07 | 2022-03-11 | 西安电子科技大学 | Expandable simulated projectile body device |
| CN117381843A (en) * | 2023-12-11 | 2024-01-12 | 季华实验室 | Bionic joint with universal buffering capacity, mechanical arm and robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109273827A (en) * | 2018-08-14 | 2019-01-25 | 浙江大学 | Adjustable flexibility antenna |
| EP3790107A1 (en) * | 2019-09-06 | 2021-03-10 | Eagle Technology, LLC | Deployable disk antenna |
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| CN110718735B (en) * | 2019-10-18 | 2020-08-18 | 中国人民解放军军事科学院国防科技创新研究院 | Self-driven expansion type conical antenna |
| CN111129721A (en) * | 2020-01-13 | 2020-05-08 | 上海航天测控通信研究所 | Deployable helical antenna |
| CN112018487A (en) * | 2020-08-24 | 2020-12-01 | 西安电子科技大学 | Deployable helical antenna, communication system, radar and electronic countermeasure system |
| CN112018487B (en) * | 2020-08-24 | 2022-01-11 | 西安电子科技大学 | Deployable helical antenna, communication system, radar and electronic countermeasure system |
| CN114166074A (en) * | 2021-01-07 | 2022-03-11 | 西安电子科技大学 | Expandable simulated projectile body device |
| CN113224498A (en) * | 2021-05-19 | 2021-08-06 | 上海航天空间技术有限公司 | Novel high-storage-rate VHF antenna |
| CN117381843A (en) * | 2023-12-11 | 2024-01-12 | 季华实验室 | Bionic joint with universal buffering capacity, mechanical arm and robot |
| CN117381843B (en) * | 2023-12-11 | 2024-03-19 | 季华实验室 | Bionic joint with universal buffering capacity, mechanical arm and robot |
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| CN106785312B (en) | 2019-02-22 |
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