CN108639381A - A kind of pop-up type locking relieving mechanism - Google Patents
A kind of pop-up type locking relieving mechanism Download PDFInfo
- Publication number
- CN108639381A CN108639381A CN201810267190.1A CN201810267190A CN108639381A CN 108639381 A CN108639381 A CN 108639381A CN 201810267190 A CN201810267190 A CN 201810267190A CN 108639381 A CN108639381 A CN 108639381A
- Authority
- CN
- China
- Prior art keywords
- hand pawl
- left hand
- right hand
- pawl
- pop
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/18—Means for stabilising antennas on an unstable platform
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of pop-up types to lock relieving mechanism, including pedestal and the left hand pawl and right hand pawl that are located at the pedestal both sides, wherein, close up the left hand pawl and the right hand pawl can will be locked mechanism locking, when releasing locking state, movement outward discharges the mechanism that is locked to the left hand pawl and right hand pawl respectively, while continuing the spacing lever moved outward equipped with the limitation left hand pawl and the right hand pawl on the pedestal.The present invention is widely used in driving space photoelectricity class load and rotates and be fixedly supported on a certain position, uses gapless, self-locking design, compared to existing technology, has the advantages that expansion process is stable, in-placing precision is high, locking rigidity is high.
Description
Technical field
The invention belongs to aerospace field of electromechanical technology, more particularly to a kind of pop-up type locks relieving mechanism.
Background technology
Directing mechanism is that satellite antenna is realized to the important execution unit of target following, orientation, is modern spacecraft system
Important component.In order to improve the gain of satellite antenna, antenna aperture and weight is increasing, beam angle of antenna
Become very narrow, in order to increase the slewing area of satellite antenna, and avoids in rotation process encountering around satellite body or antenna
Other load, need launching phase by antenna gathering be pressed on satellite side, after entering the orbit by antenna expansion be supported on it is separate
Celestial body a certain position remote enough, then rotated and oriented, therefore, the error of expanded angle is by the fixation as satellite antenna
Error in pointing, this error always exist, it can be seen that, the pointing accuracy that satellite antenna can be improved in precision of expansion is improved, is had
Critically important engineering significance；In addition, as technology develops, the requirement to the platform stable degree of spacecraft is also higher and higher, to boat
The interference requirement generated in its device extravehicular activity component rotation process is also very harsh.Need satellite antenna in the fundamental frequency of unfolded state
It is as high as possible, and maximum to fundamental frequency influence factor is system weight and locking rigidity, it is seen that improve the lock of expansion locking mechanism
Tight rigidity is critically important to satellite antenna and spacecraft platform.
Some existing satellite antennas, the holding torque for only relying on motor realizes that the position of directing mechanism is kept, but keeps
Rigidity is low and is easily influenced by external interference.Some satellite antennas are unfolded by passive spring or torsional spring, rely on lock afterwards in place
Positioning, but expansion process is uncontrollable, impact is big in place, and lock-bit precision is low and rigidity is low due to locking device gap is excessive.
Invention content
The present invention provides a kind of pop-up type locking relieving mechanism, rigid to have solved lock-bit precision of the existing technology and locking
Degree is inadequate, and expansion process is uncontrollable, and impacts big technical problem in place.
Technical scheme is as follows：
A kind of pop-up type locking relieving mechanism, including pedestal and the left hand pawl and right hand pawl that are located at the pedestal both sides,
Wherein, close up the left hand pawl and the right hand pawl can will be locked mechanism locking, when releasing locking state, the left side
Movement outward discharges the mechanism that is locked respectively for paw and right hand pawl, while the limitation left hand is equipped on the pedestal
Pawl and the right hand pawl continue the spacing lever moved outward.
Preferably, the left hand pawl, the right hand pawl are located at the pedestal by torsion axis and torsionspring
Both sides so that the left hand pawl, the right hand pawl obtain the torque moved outward.
Preferably, the torsion axis and the torsionspring are located at the lower end of the left hand pawl, and are connected to institute
On the pedestal stated；The torsion axis and the torsionspring are located at the lower end of the right hand pawl, and are connected to described
On pedestal.
Preferably, it is equipped with the fixed compressor arm with the right hand pawl locking state on the left hand pawl, while
The right hand pawl is equipped with the cut-out compressor arm to release the cutter of locking state.
Preferably, the compressor arm is located at the top half of the left hand pawl, when locking described in compressor arm pass through
The through-hole of the cutter is simultaneously fixedly connected by the end of thread of the compressor arm with the right hand pawl.
Preferably, the side of the compressor arm on the left hand pawl described in face is equipped with the pressure after recycling cut-out
The compression headgear of tight bar.
Preferably, the link that a kind of pop-up type of the invention locking relieving mechanism further includes and the mechanism that is locked connects,
The left hand pawl and the right hand pawl embrace and by way of the link locked.
Preferably, the knead dough of embracing of the left hand pawl and the right hand pawl and the link is " V " type structure,
Simultaneously in the both sides of the link equipped with the end face for matching locking with " V " type structure.
Preferably, locking state, the left hand pawl and the right hand pawl and the pedestal are in 90 °, are deployed into
Position state, the left hand pawl and the right hand pawl are with the pedestal finally at 30 °.
Preferably, the torsion axis uses Ti materials, axial plane to coat MoS2Solid lubricant film；The torsionspring is adopted
With 1Cr18Ni9 materials, locking state torque is 0.4N.m, and it is 0.17N.m to expand in place state torque.
Preferably, the surface in the left hand pawl and right hand pawl is coated with carbonization tungsten film, carbonization tungsten film requirement：Coating
Thickness is 0.2mm ± 0.05mm, and the left hand pawl and right hand pawl pawl is embraced and the rear coupling mechanism force having not less than 7100N.
Compared with prior art, beneficial effects of the present invention are as follows：
A kind of pop-up type of the present invention locks relieving mechanism, is widely used in driving space photoelectricity class load and rotates and fix
It is supported on a certain position, uses gapless, self-locking design, compared to existing technology, has expansion process stable, smart in place
The advantage that degree is high, locking rigidity is high.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
Fig. 1 is that a kind of pop-up type of the present invention locks the structural schematic diagram of relieving mechanism；
Fig. 2 is that a kind of pop-up type of the present invention locks the locking state schematic diagram of relieving mechanism；
Fig. 3 expands in place status diagram for a kind of pop-up type locking relieving mechanism of the invention.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair
It is bright, rather than limit protection scope of the present invention.Those skilled in the art change according to what the present invention made in practical applications
Into and adjustment, still fall within protection scope of the present invention.
In order to better illustrate the present invention, the present invention is described in detail below with attached drawing.
As shown in Figures 1 to 3, a kind of pop-up type of the invention locks relieving mechanism, including pedestal 7 and is located at the pedestal
The left hand pawl 4 and right hand pawl 9 of 7 both sides, wherein close up the left hand pawl 4 and the right hand pawl 9 can will be locked mechanism lock
Tightly, when releasing locking state, movement release outward is locked mechanism to being deployed into respectively for the left hand pawl 4 and right hand pawl 9
Position state, while being moved outward equipped with the limitation left hand pawl 4 and the right hand pawl 9 continuation on the pedestal 7
Spacing lever 6.
Specifically, the present embodiment by between the left hand pawl 4 and right hand pawl 9 of pedestal 7 and both sides be arranged torsion axis 8 and
Torsionspring 5 so that once releasing locking state, unlock, but this hair are completed in movement outward respectively for left hand pawl 4 and right hand pawl 9
It is bright to be not limited to the set-up mode：The left hand pawl 4, the right hand pawl 9 are located at institute by torsion axis 8 and torsionspring 5
The both sides for the pedestal 7 stated so that the left hand pawl 4, the right hand pawl 9 obtain the torque moved outward.
Further, the torsion axis 8 and the torsionspring 5 are located at the lower end of the left hand pawl 4, and are connected to
On the pedestal 7；The torsion axis 8 and the torsionspring 5 are located at the lower end of the right hand pawl 9, and are connected to
On the pedestal 7.
In addition, being preferable to provide in the present embodiment one kind：Fixed and described right hand pawl is equipped on the left hand pawl 4
The compressor arm 2 of 9 locking states, i.e., close up left hand pawl 4 and right hand pawl 9 will be locked mechanism locking when fix the locking state,
The cut-out compressor arm 2 is equipped on the right hand pawl 9 simultaneously to release the cutter 10 of locking state, that is, passes through cutting
Compressor arm 2 is cut off in the igniting of device 10 releases locking state, and left hand pawl 4 and right hand pawl 9 move under the action of torque outward
To the state that expands in place, the mechanism that is locked is discharged.
In the present embodiment, the possible a kind of setting of the compressor arm 2：The compressor arm 2 is located at the left hand
The top half of pawl 4, when locking described in compressor arm 2 pass through the through-hole 101 of the cutter 10 and pass through the compression
The end of thread 21 of bar 2 is fixedly connected with the right hand pawl 9.
The side of compressor arm 2 also on the left hand pawl 4 described in face is equipped with the compression after recycling cut-out
The compression headgear 3 of bar 2, after 2 cleaved device of compressor arm, 10 ignition cut, the compressor arm 2 positioned at 4 side of left hand pawl is recovered in hold-down head
Set 3 avoids falling into outer space, and would not be fallen into positioned at the compressor arm 2 of 9 side of right hand pawl because being screwed on right hand pawl 9
Outer space.
For the ease of realizing that the locking relieving mechanism of the present invention locks the mechanism that is locked, a kind of pop-up type of the invention locking
Relieving mechanism further includes and the link 1 for the mechanism connection that is locked, the left hand pawl 4 and the right hand pawl 9 by embracing and
Mode the link 1 is locked.The present invention it is a kind of possible armful and locking mode it is as follows, but the present invention do not limit with
Lower structure：The knead dough of embracing of the left hand pawl 4 and the right hand pawl 9 and the link 1 is " V " type structure 11, together
When be equipped in the both sides of the link 1 and match with " V " type structure the end face 12 of locking, therefore, locking of the invention is released
Laying mechanism, when locking state, the left hand pawl 4 and the right hand pawl 9 and the pedestal 7 are in 90 °, left and right claw with
Link is embraced with after, side clearance 0.5mm, as shown in Fig. 2, when expanding in place state, the left hand pawl 4 and the right side
Paw 9 is last at 30 ° with the pedestal 7, as shown in Figure 3.
In this regard, torsion axis 8 of the present invention uses Ti materials, axial plane to coat MoS2Solid lubricant film；The torsion
It is 0.4N.m that spring 5, which uses 1Cr18Ni9 materials, locking state torque, and it is 0.17N.m to expand in place state torque；The left side
Surface spraying in paw 4 and right hand pawl 9 has carbonization tungsten film, carbonization tungsten film requirement：Coating layer thickness is 0.2mm ± 0.05mm, WC
Anchoring strength of coating is more than or equal to 45MPa；When service load is 3.0KN, the confficient of static friction of coatings friction pairs is more than or equal to
0.5, and the left hand pawl 4 and 9 pawl of right hand pawl is embraced and the rear coupling mechanism force having not less than 7100N.
A kind of pop-up type of the present invention locks relieving mechanism, and link 1 is fixedly connected with the mechanism that is locked, by left jamming claw 4,
Right jamming claw 9 is embraced and is fixed with link 1, and is fixed by compressor arm 2 and realized locking, and torsionspring 5 is in compressive state at this time,
Torque is 0.4Nm, when reaching predetermined state, is lighted a fire by cutter 10 and cuts off compressor arm 2, and the release of 5 torque of torsionspring is driven
Dynamic left and right claw rotary expansion is simultaneously detached from link 1, in the process as torsion 5 torque of bullet tapers into, driving left and right
The acceleration of claw also tapers into, and due to the effect of limited block 6, left and right claw rotation angle is limited in 60 °, due to arriving
Position retrotorsion spring 5 still has the surplus torque of 0.17Nm, left and right claw to be pressed in a certain extent on limited block 6, locks
Tight relieving mechanism state determines that the link institution where he works realizes release.
The present invention is widely used in spacecraft motion transmitter section and effectively fixes, and is reliably discharged after entering the orbit, and has
Have the advantages that simple in structure, bearing capacity is strong, separation is reliable.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. a kind of pop-up type locks relieving mechanism, which is characterized in that including pedestal and the left hand pawl for being located at the pedestal both sides
With right hand pawl, wherein close up the left hand pawl and the right hand pawl can will be locked mechanism locking, shape is locked when releasing
Movement outward discharges the mechanism that is locked respectively for state, the left hand pawl and right hand pawl, while limit is equipped on the pedestal
The system left hand pawl and the right hand pawl continue the spacing lever moved outward.
2. pop-up type according to claim 1 locks relieving mechanism, which is characterized in that the left hand pawl, the right side
Paw is located at the both sides of the pedestal by torsion axis and torsionspring so that the left hand pawl, the right hand pawl
Obtain the torque moved outward.
3. pop-up type according to claim 2 locks relieving mechanism, which is characterized in that the torsion axis and the torsion
Turn spring and be located at the lower end of the left hand pawl, and is connected on the pedestal；The torsion axis and the torsion bullet
Spring is located at the lower end of the right hand pawl, and is connected on the pedestal.
4. pop-up type according to claim 1 or 3 locks relieving mechanism, which is characterized in that worn on the left hand pawl
There is the fixed compressor arm with the right hand pawl locking state, while being equipped with the cut-out compressor arm on the right hand pawl
To release the cutter of locking state.
5. pop-up type according to claim 4 locks relieving mechanism, which is characterized in that the compressor arm is located at described
The top half of left hand pawl, when locking described in compressor arm pass through the through-hole of the cutter and pass through the compressor arm
The end of thread is fixedly connected with the right hand pawl.
6. pop-up type according to claim 5 locks relieving mechanism, which is characterized in that the face institute on the left hand pawl
The side for the compressor arm stated is equipped with the compression headgear of the compressor arm after recycling cut-out.
7. pop-up type locks relieving mechanism according to claim 1 or 5, which is characterized in that further include and the mechanism that is locked
The link of connection, the left hand pawl and the right hand pawl embrace and by way of the link locked.
8. pop-up type according to claim 7 locks relieving mechanism, which is characterized in that the left hand pawl and the right side
The knead dough of embracing of paw and the link is " V " type structure, while being equipped with and " V " type knot in the both sides of the link
Structure matches the end face of locking.
9. pop-up type according to claim 8 locks relieving mechanism, which is characterized in that locking state, the left hand pawl
It is in 90 ° with the right hand pawl and the pedestal, expand in place state, the left hand pawl and the right hand pawl and institute
The pedestal stated is finally at 30 °.
10. pop-up type according to claim 1 locks relieving mechanism, which is characterized in that the left hand pawl and right hand pawl
Interior surface is coated with carbonization tungsten film, carbonization tungsten film requirement：Coating layer thickness is 0.2mm ± 0.05mm, and the left hand pawl
It is embraced with right hand pawl pawl and rear with the coupling mechanism force for being not less than 7100N；The torsion axis uses Ti materials, axial plane to coat MoS2Gu
Body lubricating film；It is 0.4N.m that the torsionspring, which uses 1Cr18Ni9 materials, locking state torque, expands in place state torque
For 0.17N.m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267190.1A CN108639381A (en) | 2018-03-28 | 2018-03-28 | A kind of pop-up type locking relieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267190.1A CN108639381A (en) | 2018-03-28 | 2018-03-28 | A kind of pop-up type locking relieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639381A true CN108639381A (en) | 2018-10-12 |
Family
ID=63745089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810267190.1A Pending CN108639381A (en) | 2018-03-28 | 2018-03-28 | A kind of pop-up type locking relieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639381A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616741A (en) * | 2018-11-15 | 2019-04-12 | 上海宇航系统工程研究所 | Active matrix driving two-dimensional development formula antenna |
| CN111409876A (en) * | 2020-04-09 | 2020-07-14 | 北京控制工程研究所 | Tool box device for locking multi-degree-of-freedom mechanism |
| CN114180102A (en) * | 2021-12-17 | 2022-03-15 | 清华大学深圳国际研究生院 | Locking device for movable and deployable mechanism on spacecraft |
| CN115473053A (en) * | 2022-09-22 | 2022-12-13 | 深圳航天东方红卫星有限公司 | Folding and unfolding satellite-borne yagi antenna locked in encircling mode |
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| CN111409876A (en) * | 2020-04-09 | 2020-07-14 | 北京控制工程研究所 | Tool box device for locking multi-degree-of-freedom mechanism |
| CN111409876B (en) * | 2020-04-09 | 2021-10-01 | 北京控制工程研究所 | Tool box device for locking multi-degree-of-freedom mechanism |
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| CN115473053A (en) * | 2022-09-22 | 2022-12-13 | 深圳航天东方红卫星有限公司 | Folding and unfolding satellite-borne yagi antenna locked in encircling mode |
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Application publication date: 20181012 |