CN105390790A - Novel high-precision in-place locking device - Google Patents
Novel high-precision in-place locking device Download PDFInfo
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- CN105390790A CN105390790A CN201510737720.0A CN201510737720A CN105390790A CN 105390790 A CN105390790 A CN 105390790A CN 201510737720 A CN201510737720 A CN 201510737720A CN 105390790 A CN105390790 A CN 105390790A
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- backing pin
- locking device
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- supporting plate
- locking
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Abstract
The invention discloses a novel high-precision in-place locking device, which relates to the technical field of space deployable mechanisms. The device comprises a sliding groove, a limiting plate, a second roller, a supporting plate, a stopping pin, a cover plate and a locking connection block, wherein the sliding groove is a base for all parts and provides sliding tracks for the supporting plate and the stopping pin, the two tracks are orthogonal, the sliding track for the supporting plate is in the horizontal direction, the sliding track for the stopping pin is in the vertical direction, the limiting plate is arranged on the supporting plate, the second roller is stopped when the locking device is not triggered, and the limiting plate slides on the second roller after the locking device is triggered. The scheme of linkage of two sets of spring driving assemblies is adopted and applied to the high-precision deployable mechanism, state curing after the mechanism is deployed in place, the repeated deployed precision is improved to no more than 0.01 DEG, self adaptation of locking is realized, a matched gap between the two is eliminated, and the repeated deployed precision is improved.
Description
Technical field
The present invention relates to space deployable mechanism technical field, especially a kind of novel high-precision puts in place locking device.
Background technology
The present invention derives from the development mechanism development of high accuracy radial rib umbrella deployable antenna, in order to adapt to envelope demand during satellite launch, large aperture antenna should possess storage than high feature, when satellite launch, antenna locking is accommodated on satellite platform, operating state is launched into again in-orbit, as shown in Figure 1, rib development mechanism is just expanded to operating state for driven antenna primary reflection surface by rounding state.
High accuracy radial rib umbrella deployable antenna works in Ka frequency range, requires that the precision of profile in-orbit of antenna is better than 0.4mm (RMS), therefore requires rib development mechanism to have to be not more than that the height of 0.01 ° repeats precision of expansion.According to above requirement, need design one to put in place locking device, the locking device of prior art adopts two kinds of forms usually, and a kind of is the characteristic utilizing bar linkage structure self-locking 180 ° time, and this structure does not possess adaptivity; Another kind adopts connecting rod to snap in U-type groove and forms self-locking structure in vertical relation, and this structure, in order to ensure that connecting rod enters U-type groove and moves smooth and easy, inevitably has minim gap after locking.
Look into newly by data, Muscovite " No. five, ray " umbrella dress antenna possesses the lock function that puts in place, and its mechanism adopts the principle of connecting rod self-locking, does not possess the function of self-adapting locking, and still there is small gap after locking, do not meet the profile requirement of Ka frequency range mushroom antenna; The umbrella antenna be applied on repeater satellite TDRS of U.S.'s development also possesses the lock function that puts in place, but does not find pertinent literature report for retaining mechanism concrete structure.
Summary of the invention
The technical problem that the present invention solves is: overcome prior art deficiency, a kind of novel high-precision is provided to put in place locking device, after the lock arm achieving high accuracy mushroom antenna drives antenna rib to launch to put in place, the locking position of lock arm can be solidified, there is locking gapless, repeat the feature that precision of expansion is high and thermal deformation is little.
A kind of novel high-precision puts in place locking device, comprises chute, closure plate, guide rod, the second spring, limiting plate, the second roller, supporting plate, the first roller, backing pin, cover plate, the first spring and spring lead; Chute is the pedestal of all parts, and closure plate is arranged on the upper side of chute, and supporting plate is positioned at the upper end of chute, and one end of guide rod is fixedly connected with closure plate, and the other end of guide rod is fixedly connected with supporting plate, and the second spring housing is contained on guide rod; Cover plate is arranged on the rear side of chute, circumferential closed backing pin track is formed with chute acting in conjunction, backing pin is vertically arranged on chute inside, spring lead one end is fixedly mounted on the bottom surface of cover plate, the other end of spring lead inserts backing pin, first spring housing is contained on spring lead, and the first spring one end holds out against the bottom of cover plate, and the first spring other end withstands on the end surface of step hole at backing pin center; Second roller is fixedly mounted on backing pin side, and limiting plate is arranged on the side of supporting plate, and limiting plate is positioned at the top of the second roller, and supporting plate is positioned at above backing pin, and the first spring-compressed is to maximum deformation quantity, and the first roller is fixedly mounted on backing pin top.
To put in place locking device at above-mentioned a kind of novel high-precision, chute comprises the sliding rail of supporting plate and backing pin, and wherein supporting plate sliding rail is horizontal direction, and backing pin sliding rail is vertical direction, and two sliding rails are vertical.
To put in place locking device at above-mentioned a kind of novel high-precision, after outside locking contiguous block and blade contacts, locking device is triggered, and outside locking contiguous block promotion supporting plate moves along the direction of the second spring-compressed.
To put in place locking device at above-mentioned a kind of novel high-precision, locking contiguous block is provided with square hole, is not blocked when locking contiguous block moves to backing pin, and when limiting plate also departs from the second roller, backing pin moves straight up, through the square hole of locking contiguous block under the effect of the first spring.
To put in place locking device at above-mentioned a kind of novel high-precision, backing pin straight up displacement is the thickness of locking contiguous block at vertical direction.
To put in place locking device at above-mentioned a kind of novel high-precision, for contact of incline plane coordinates between square hole with backing pin, plane and the vertical direction angle a of contact are 6-8 °, form angle of friction self-locking with backing pin.
To put in place locking device at above-mentioned a kind of novel high-precision, this locking device has the height being not more than 0.01 ° and repeats precision of expansion.
To put in place locking device at above-mentioned a kind of novel high-precision, chute adopts low-expansion alloy material.
To put in place locking device at above-mentioned a kind of novel high-precision, supporting plate adopts low-friction plastic material.
The present invention's advantage is compared with prior art:
(1) present invention employs two sleeve spring driven units interlock scheme, be applied in the high accuracy deployable mechanism of space, achieve mechanism deploying put in place after state cured, improve repeat precision of expansion to being not more than 0.01 °;
(2) the present invention devise locking contiguous block with between backing pin for contact of incline plane coordinates, achieve the adaptivity of locking, eliminate fit clearance between the two, improve repetition precision of expansion;
(3) present invention utilizes the characteristic of angle of friction, achieve between backing pin and locking contiguous block and become the inclined-plane of special angle to coordinate, inclined-plane forms self-locking, makes lock-out state more stable, improves the reliability of locking;
(4) present invention employs supporting plate and limiting plate links, achieve the abrupt release that Spring driving backing pin puts in place at lock arm, the elastic force of spring can be played completely, decay can not be produced because of slow releasing, improve the utilization ratio of lock drive power;
(5) in the present invention, chute adopts low-expansion alloy, improves the thermal stability of rib development mechanism.
Accompanying drawing explanation
Fig. 1 is umbrella antenna locking state and deployed condition schematic diagram;
Fig. 2 is the non-trigger state structural representation of locking device;
Fig. 3 is locking device trigger state structural representation;
Fig. 4 is the application schematic diagram of locking device on development mechanism;
Fig. 5 is the course of work of locking device;
Fig. 6 is the signal of locking connecting block structure.
Embodiment
Implementation procedure of the present invention is introduced in detail below in conjunction with accompanying drawing and object lesson.
Be illustrated in figure 2 the non-trigger state structural representation of locking device, as seen from the figure, chute 1, closure plate 2, guide rod 3, second spring 4, customization screw 5, limiting plate 6, pin 7, second roller 8, supporting plate 9, first roller 10, backing pin 11, cover plate 12, first spring 13 and spring lead 14 is comprised; Chute 1 is the pedestal of all parts, and provides the sliding rail of supporting plate 9 and backing pin 11, both race orthogonal.Horizontal direction be supporting plate 9 sliding rail, second spring 4 is sleeved on guide rod 3, one end holds out against supporting plate 9, the other end holds out against closure plate 2, closure plate 2 is arranged on chute 1, guide rod 3 top is connected with supporting plate 9, and root is blocked by closure plate 2, prevents supporting plate 9 under the effect of the second spring 4, departing from chute 1 track.Vertical direction is the sliding rail of backing pin 11, cover plate 12 is arranged on chute 1, circumferential closed backing pin 11 track is formed with chute 1 acting in conjunction, spring lead 14 one end is arranged on cover plate 12, the other end inserts backing pin 11, first spring 13 and is sleeved on spring lead 14, and one end holds out against cover plate 12, the other end withstands on the end surface of step hole at backing pin 11 center, provides power for backing pin 11 moves upward; Second roller 8 is arranged on backing pin 11 side by pin 7, limiting plate 6 is arranged on supporting plate 9, when locking device does not trigger, limiting plate 6 blocks the second roller 8, and trigger rear position margining plate 6 and slide on the second roller 8, the second roller 8 rotates the friction reduced between the two.When locking device is in non-trigger state, supporting plate 9 seals backing pin 11 compress the effect of the holding torque produced at the second spring 4 under, makes the first spring 13 withstanding on backing pin 11 endoporus be compressed to maximum deformation quantity; Before locking device triggers, outer lock arms 16 is with locking contiguous block 15 close supporting plate 9 under the effect of motor actuating force, after locking contiguous block 15 contacts with supporting plate 9, supporting plate 9 is held out against and is moved along the direction that the second spring 4 compresses, and the first roller 10 is arranged on backing pin 11 top by customization screw 5.
Be illustrated in figure 3 locking device trigger state structural representation, as seen from the figure, after outside locking contiguous block 15 contact with supporting plate 9, locking device is triggered, and outside locks contiguous block 15 and promotes the direction that supporting plate 9 compresses along the second spring 4 and move.
Locking contiguous block 15 is provided with square hole, be not blocked, and when limiting plate 6 also departs from the second roller 8, backing pin 11 moves straight up, through the square hole of locking contiguous block 15 under the effect of the first spring 13 when locking contiguous block 15 moves to backing pin 11.
Backing pin 11 straight up displacement is for locking contiguous block 15 is at the thickness of vertical direction
For contact of incline plane coordinates between square hole with backing pin 11, the plane of contact, in vertical direction with the angle of 6-8 °, forms angle of friction self-locking with backing pin 11.
Be illustrated in figure 4 the application schematic diagram of locking device on development mechanism, as seen from the figure, locking mechanism is arranged on development mechanism base 17 external cylindrical surface, locking arm seat 18 is arranged on base 17 upper flange position, lock arm 16 is arranged on locking arm seat 18 by bearing pin, locking contiguous block 15 is arranged on lock arm 16 bottom, and under motor actuating force, lock arm 16 rotates around bearing pin, drives locking contiguous block 15 to carry out launching and drawing in.
Be illustrated in figure 5 the course of work of locking device, as seen from the figure, before locking device triggers, outer lock arms 16 is with locking contiguous block 15 close supporting plate 9 under the effect of actuating force, after locking contiguous block 15 contacts with supporting plate 9, supporting plate 9 is held out against and is moved along the direction that spring 4 compresses, and the first roller 10 is arranged on backing pin 11 top by customization screw 5, when supporting plate 9 be locked contiguous block 15 withstand slide along track time, the first roller 10 can reduce the frictional force between backing pin 11 and supporting plate 9.When supporting plate 9 moves to the position of no longer shutoff backing pin 11, backing pin 11 still remains on original position under the constraint of limiting plate 6, until when limiting plate 6 moves to disengaging the second roller 8, backing pin 11 is triggered, and moves upward and carry out locking action under the compression pretightning force effect of the first spring 13.
Be illustrated in figure 6 the signal of locking connecting block structure, as seen from the figure, the square hole that tolerable backing pin 11 passes through in the middle of outside locking contiguous block 15, the contact plane of locking contiguous block 15 and backing pin 11 is 6-8 ° with vertical direction angle a, and this angle is the angle of friction numerical value that bi-material type that basis contacts of drawing specifically can form self-locking.
The content be not described in detail in specification of the present invention belongs to the known technology of professional and technical personnel in the field.
Claims (9)
1. a novel high-precision puts in place locking device, it is characterized in that, comprise chute (1), closure plate (2), guide rod (3), the second spring (4), limiting plate (6), the second roller (8), supporting plate (9), the first roller (10), backing pin (11), cover plate (12), the first spring (13) and spring lead (14), chute (1) is the pedestal of all parts, closure plate (2) is arranged on the upper side of chute (1), supporting plate (9) is positioned at the upper end of chute (1), one end of guide rod (3) is fixedly connected with closure plate (2), the other end of guide rod (3) is fixedly connected with supporting plate (9), and the second spring (4) is sleeved on guide rod (3), cover plate (12) is arranged on the rear side of chute (1), circumferential closed backing pin (11) track is formed with chute (1) acting in conjunction, it is inner that backing pin (11) is vertically arranged on chute (1), spring lead (14) one end is fixedly mounted on the bottom surface of cover plate (12), the other end of spring lead (14) inserts backing pin (11), first spring (13) is sleeved on spring lead (14), first spring (13) one end holds out against the bottom of cover plate (12), first spring (13) other end withstands on the end surface of step hole at backing pin (11) center, second roller (8) is fixedly mounted on backing pin (11) side, limiting plate (6) is arranged on the side of supporting plate (9), limiting plate (6) is positioned at the top of the second roller (8), supporting plate (9) is positioned at backing pin (11) top, first spring (13) is compressed to maximum deformation quantity, and the first roller (10) is fixedly mounted on backing pin (11) top.
2. a kind of novel high-precision according to claim 1 puts in place locking device, it is characterized in that: chute (1) comprises the sliding rail of supporting plate (9) and backing pin (11), wherein supporting plate (9) sliding rail is horizontal direction, backing pin (11) sliding rail is vertical direction, and two sliding rails are vertical.
3. a kind of novel high-precision according to claim 1 puts in place locking device, it is characterized in that: after outside locking contiguous block (15) contacts with supporting plate (9), locking device is triggered, and outside locking contiguous block (15) promotes supporting plate (9) along the direction motion that the second spring (4) compresses.
4. a kind of novel high-precision according to claim 4 puts in place locking device, it is characterized in that: locking contiguous block (15) is provided with square hole, be not blocked when locking contiguous block (15) moves to backing pin (11), and when limiting plate (6) also departs from the second roller (8), backing pin (11) moves straight up, through the square hole of locking contiguous block (15) under the effect of the first spring (13).
5. a kind of novel high-precision according to claim 5 puts in place locking device, it is characterized in that: backing pin (11) straight up displacement is the thickness of locking contiguous block (15) at vertical direction.
6. a kind of novel high-precision according to claim 5 puts in place locking device, it is characterized in that: for contact of incline plane coordinates between square hole with backing pin (11), plane and the vertical direction angle a of contact are 6-8 °, form angle of friction self-locking with backing pin (11).
7. a kind of novel high-precision according to claim 1 puts in place locking device, it is characterized in that: this locking device has the height being not more than 0.01 ° and repeats precision of expansion.
8. a kind of novel high-precision according to claim 1 puts in place locking device, it is characterized in that: chute (1) adopts low-expansion alloy material.
9. a kind of novel high-precision according to claim 1 puts in place locking device, it is characterized in that: supporting plate (9) adopts low-friction plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737720.0A CN105390790B (en) | 2015-11-03 | 2015-11-03 | A kind of novel high-precision locking device in place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737720.0A CN105390790B (en) | 2015-11-03 | 2015-11-03 | A kind of novel high-precision locking device in place |
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| Publication Number | Publication Date |
|---|---|
| CN105390790A true CN105390790A (en) | 2016-03-09 |
| CN105390790B CN105390790B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737720.0A Active CN105390790B (en) | 2015-11-03 | 2015-11-03 | A kind of novel high-precision locking device in place |
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| Country | Link |
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| CN (1) | CN105390790B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403710A (en) * | 2016-12-05 | 2017-02-15 | 中国航天空气动力技术研究院 | Releasing mechanism |
| CN108767416A (en) * | 2018-04-17 | 2018-11-06 | 南京航空航天大学 | It is a kind of that there is driving to consolidate surface antenna with the satellite of lock function and connect compound hinges |
| CN110504520A (en) * | 2019-08-02 | 2019-11-26 | 西安空间无线电技术研究所 | A kind of movable deployable antenna of more bores |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483267A (en) * | 2009-02-24 | 2009-07-15 | 中国航天科技集团公司第五研究院第五○四研究所 | Expansion positioning mechanism for satellite antenna |
| WO2010141121A2 (en) * | 2009-02-24 | 2010-12-09 | Woodward Hrt, Inc. | Locking device with a shape memory alloy actuator and method of use |
| CN103915676A (en) * | 2014-03-28 | 2014-07-09 | 西安电子科技大学 | Satellite-borne extendable antenna extending arm locking mechanism |
| CN104443446A (en) * | 2014-11-11 | 2015-03-25 | 上海宇航系统工程研究所 | High-rigidity expansion in-place locking device |
| CN104617369A (en) * | 2014-11-27 | 2015-05-13 | 西安空间无线电技术研究所 | Novel rib unfolding mechanism of high precision umbrella type antenna |
-
2015
- 2015-11-03 CN CN201510737720.0A patent/CN105390790B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483267A (en) * | 2009-02-24 | 2009-07-15 | 中国航天科技集团公司第五研究院第五○四研究所 | Expansion positioning mechanism for satellite antenna |
| WO2010141121A2 (en) * | 2009-02-24 | 2010-12-09 | Woodward Hrt, Inc. | Locking device with a shape memory alloy actuator and method of use |
| CN103915676A (en) * | 2014-03-28 | 2014-07-09 | 西安电子科技大学 | Satellite-borne extendable antenna extending arm locking mechanism |
| CN104443446A (en) * | 2014-11-11 | 2015-03-25 | 上海宇航系统工程研究所 | High-rigidity expansion in-place locking device |
| CN104617369A (en) * | 2014-11-27 | 2015-05-13 | 西安空间无线电技术研究所 | Novel rib unfolding mechanism of high precision umbrella type antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403710A (en) * | 2016-12-05 | 2017-02-15 | 中国航天空气动力技术研究院 | Releasing mechanism |
| CN108767416A (en) * | 2018-04-17 | 2018-11-06 | 南京航空航天大学 | It is a kind of that there is driving to consolidate surface antenna with the satellite of lock function and connect compound hinges |
| CN110504520A (en) * | 2019-08-02 | 2019-11-26 | 西安空间无线电技术研究所 | A kind of movable deployable antenna of more bores |
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| Publication number | Publication date |
|---|---|
| CN105390790B (en) | 2018-08-07 |
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