CN113375511B - Folding, fixing and unfolding mechanism for control surface - Google Patents
Folding, fixing and unfolding mechanism for control surface Download PDFInfo
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- CN113375511B CN113375511B CN202110798906.2A CN202110798906A CN113375511B CN 113375511 B CN113375511 B CN 113375511B CN 202110798906 A CN202110798906 A CN 202110798906A CN 113375511 B CN113375511 B CN 113375511B
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- control surface
- motor mounting
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- spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/02—Stabilising arrangements
- F42B10/14—Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel
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- Fluid Mechanics (AREA)
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- General Engineering & Computer Science (AREA)
- Pivots And Pivotal Connections (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides a folding fixed deployment mechanism of control plane, includes control plane (1), control plane upset pin (4), spring (2), spring push head (3), its characterized in that: the aircraft control surface folding structure comprises a control surface clamping shifting fork (5), motor mounting plates (6) and a main body cavity (7), wherein a control surface overturning pin (4) penetrates through a tail unthreaded hole of a control surface (1) and a head threaded hole of the control surface clamping shifting fork (5) to form a revolute pair, springs (2) and spring pushing heads (3) are axially connected to form elastic assemblies, the springs (2) are mounted in hole positions of the control surface clamping shifting fork (5), the tops of the spring pushing heads (3) are in contact with the control surface (1), the four control surface folding structures formed by the four control surface folding structures are uniformly distributed on four hole positions on the circumference of the main body cavity (7), and the bottom of the main body cavity (7) is connected with the 4 motor mounting plates (6).
Description
Technical Field
The invention discloses a folding, fixing and unfolding mechanism for a control surface, and relates to folding, fixing and unfolding of the control surface.
Background
In practice, requirements for a control surface folding, fixing and unfolding balance mechanism are higher and higher, in order to achieve a better function, many control surface folding devices are already available, such as rubber pad fixing, bandage fixing and shear pin fixing, although the functions can be achieved, the structure is complex, extra components need to be arranged, the occupied space is large, the structure needs to be damaged during unfolding, and the execution of the action of the steering engine is easily interfered.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a control surface folding, fixing and unfolding mechanism.
The utility model provides a folding fixed deployment mechanism of control surface, includes control surface 1, control surface upset pin 4, spring 2, spring pushing head 3, its characterized in that: the control surface overturning mechanism further comprises a control surface clamping shifting fork 5, a motor mounting plate 6 and a main body cavity 7, wherein a control surface overturning pin 4 penetrates through a tail unthreaded hole of the control surface 1 and a head threaded hole of the control surface clamping shifting fork 5 to form a revolute pair; the spring 2 and the spring push head 3 are axially connected to form an elastic assembly, the spring 2 is arranged in a hole position of the control surface clamping shifting fork 5, and the top of the spring push head 3 is in contact with the control surface 1; the single control surface folding structures formed in the above way are four groups, and are uniformly distributed on four hole positions on the circumference of the main body cavity 7, and the bottom of the main body cavity 7 is connected with 4 motor mounting plates 6.
The lateral surface of the control surface 1 is provided with a groove, the position of the lateral surface of the motor mounting plate 6, corresponding to the groove of the control surface 1, is provided with a boss structure, when the control surface 1 is in a folded state, the control surface 1 deflects to one side with the boss by a set angle, and the groove of the control surface 1 is matched with the boss of the motor mounting plate 6, so that the position of the control surface 1 is fixed.
When the control surface 1 deflects to one side far away from the boss by a certain angle, the groove on the side surface of the control surface 1 and the boss of the motor mounting plate 6 move relatively to release the matching, and the control surface 1 is restored to the working position under the thrust action of the spring.
Four groups of control surfaces arranged in the main body cavity are folded, fixed and unfolded, the positions of the grooves of two adjacent control surfaces 1 are symmetrical, and the positions of the grooves of two opposite control surfaces 1 are the same.
The four groups of control surfaces arranged in the main body cavity are folded, fixed and unfolded, the two motor mounting plates are provided with two bosses, the two motor mounting plates are not provided with bosses, the two motor mounting plates are positioned at opposite positions of the main body cavity when the two same motor mounting plates are arranged, and the bosses and the control surfaces are positioned at the same side.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention adopts the form of the groove and the lug boss to fix the folding control surface, so that the control surface does not need to be independently designed with parts for fixing the control surface in the folding process, and when the control surface is unfolded to the working state, only an electric signal is needed to drive the control surface to tighten the shifting fork to rotate by a tiny angle, the control surface is contacted and fixedly contacted, and the control surface is rapidly unfolded to the working state under the pushing of the spring. Simple structure, simple to operate, the reliability is high, and the response is rapid, need not to set up fixing device alone, has simplified the assembly flow, has reduced manufacturing cost, has promoted production efficiency.
The directions of the small rotating angles of the two adjacent control surfaces during unfolding are opposite, so that the rotating moments generated during unfolding of the control surfaces are effectively counteracted mutually, and the disturbance of the control surfaces to the balance state of the aircraft during unfolding is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 and FIG. 2 are schematic views of the internal structure;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is a partial sectional view of a single control surface folding structure of the invention;
FIG. 6 is a schematic diagram showing a state that the position of a groove of the control surface 1 is matched with the position of a groove of the motor mounting plate 6;
FIG. 7 is a schematic view of the present invention in a folded configuration;
FIG. 8 is a schematic view of the unfolding process of the control surface 1 of the invention;
fig. 9 is a schematic diagram of the control surface 1 of the invention after unfolding;
FIG. 10 is a schematic view of the control surface clamping fork 5 driving the control surface 1 to rotate by a set angle;
FIG. 11 is a schematic view of a folded state of the rudder surface 1 of the present invention;
fig. 12 is a schematic view of the unfolded state of the control surface 1 of the invention;
fig. 13 is a sectional view showing the internal structure of the rudder surface 1 according to the present invention;
in the figure, 1 is a control surface, 2 is a spring, 3 is a spring pushing head, 4 is a control surface overturning pin, 5 is a control surface clamping shifting fork, 6 is a motor mounting plate, 7 is a main body cavity, and 11 is a matching part of a control surface groove and a motor mounting plate boss.
Detailed Description
The utility model provides a folding fixed deployment mechanism of control surface, includes control surface 1, control surface upset pin 4, spring 2, spring pushing head 3, its characterized in that: the control surface overturning mechanism further comprises a control surface clamping shifting fork 5, a motor mounting plate 6 and a main body cavity 7, wherein a control surface overturning pin 4 penetrates through a tail unthreaded hole of the control surface 1 and a head threaded hole of the control surface clamping shifting fork 5 to form a revolute pair; the spring 2 and the spring push head 3 are axially connected to form an elastic assembly, the spring 2 is arranged in a hole position of the control surface clamping shifting fork 5, and the top of the spring push head 3 is in contact with the control surface 1; the single control surface folding structures formed by the above are four groups, and are uniformly distributed on four hole sites on the circumference of the main body cavity 7, and the bottom of the main body cavity 7 is connected with 4 motor mounting plates 6.
The side of the control surface 1 is provided with a groove, the side of the motor mounting plate 6 is provided with a boss structure at a position corresponding to the groove of the control surface 1, the control surface 1 deflects to one side with the boss for a set angle when the control surface 1 is in a folded state, and the groove of the control surface 1 is matched with the boss of the motor mounting plate 6, so that the position of the control surface 1 is fixed.
When the control surface 1 deflects to one side far away from the boss by a certain angle, the groove on the side surface of the control surface 1 and the boss of the motor mounting plate 6 move relatively to release the matching, and the control surface 1 is restored to the working position under the thrust action of the spring.
Four groups of control surfaces arranged in the main body cavity are folded, fixed and unfolded, the positions of the grooves of two adjacent control surfaces 1 are symmetrical, and the positions of the grooves of two opposite control surfaces 1 are the same.
The four groups of control surfaces arranged in the main body cavity are folded, fixed and unfolded, the two motor mounting plates are provided with two bosses, the two motor mounting plates are not provided with bosses, the two motor mounting plates are positioned at opposite positions of the main body cavity when the two same motor mounting plates are arranged, and the bosses and the control surfaces are positioned at the same side.
The present invention will be further described with reference to the following drawings and examples, which include, but are not limited to, the following examples.
As shown in fig. 1, 2, 3 and 4, a control surface folding, fixing and unfolding balance method and mechanism comprises a control surface 1, a spring 2, a spring push head 3, a control surface overturning pin 4, a control surface clamping shift fork 5, a motor mounting plate 6 and a main body cavity 7.
The control surface overturning pin 4 penetrates through a tail unthreaded hole of the control surface 1 and a head threaded hole of the control surface clamping shifting fork 5 to form a revolute pair, so that the control surface 1 can rotate around the axis of the control surface overturning pin 4. The spring 2 and the spring pushing head 3 are axially connected and then installed in a hole position at the bottom of the control surface clamping shifting fork 5 to form a control surface ejecting mechanism, and the top of the spring pushing head 3 is in contact with the control surface 1. The tail stepped shaft of the control surface clamping shifting fork 5 is matched with the stepped hole of the main body cavity 7 to form a revolute pair, so that the control surface clamping shifting fork can rotate around an axis. The tail part of the control surface 1 is provided with a unthreaded hole, and the unthreaded hole is connected with a control surface clamping shifting fork 5 through a control surface overturning pin 4 to form a revolute pair. The control surface overturning pin 4 penetrates through the unthreaded hole of the control surface 1 to form a revolute pair, so that the control surface 1 can rotate around the axis of the control surface overturning pin 4 and has two positions of folding and working. When the control surface 1 is located at a folding position, the spring 2 of the control surface popping mechanism is in a compressed state, and when the control surface 1 is unfolded, the elastic force of the spring 2 of the control surface popping mechanism can push the control surface 1 to rotate around the control surface overturning pin 4 to an unfolding position, and at the moment, the control surface is located at a working state.
The tail part of the control surface clamping shifting fork 5 is matched with the main body cavity, and the single degree of freedom rotating around the shaft is realized.
And the bottom of the control surface clamping shifting fork 5 is provided with a unthreaded hole for mounting a spring.
The tail of the control surface 1 is provided with a unthreaded hole which is in clearance fit with a control surface overturning pin 4 to form a revolute pair and is fixed on a threaded hole position on the upper part of a control surface clamping shifting fork 5. Therefore, the control surface can rotate around the control surface clamping fork 5 shaft and the control surface overturning pin shaft 4 respectively, and has two degrees of freedom.
The lateral surface of the control surface 1 is provided with a groove which is tangent to a boss on the lateral surface of the motor mounting plate 6 in a folded state, so that the purpose of fixing the position of the control surface 1 is achieved.
The diameter of the boss on the side surface of the motor mounting plate 6 is smaller than that of the groove on the side surface of the control surface 1, so that the control surface 1 can be conveniently fixed and released.
Four stepped holes are uniformly distributed on the circumference of the main body cavity 7.
The folding, fixing and unfolding mechanism for the control surface comprises four groups of control surface folding, fixing and unfolding mechanisms, wherein the four groups of control surface folding, fixing and unfolding mechanisms comprise a control surface 1, a control surface overturning pin 4, a spring 2, a spring pushing head 3, a control surface clamping shifting fork 5 and a motor mounting plate 6 and are respectively mounted on four hole sites of a main body cavity 7.
The four groups of control surface folding, fixing and unfolding devices arranged in the main body cavity 7 are symmetrical and have the same structure relative to the two adjacent control surface folding, fixing and unfolding devices.
When the novel folding type motor control device is used specifically, the control surface 1 is folded through external force, the control surface clamping fork 5 is adjusted to rotate around the shaft by a tiny angle, the groove in the side surface of the control surface 1 is tangent to the boss in the side surface of the motor mounting plate 6, the control surface 1 is fixed at the folding position, and the spring 2 is in a compression state under the pressure of the control surface 1. When the control surface 1 is required to enter a working state, the control surface clamping shifting fork 5 is driven to rotate reversely, so that the groove in the side surface of the control surface 1 and the boss in the side surface of the motor mounting plate 6 slide relatively, the fixed state is released, and the control surface 1 is rapidly unfolded under the thrust of the spring 2. The groove positions of the control surfaces 1 on two adjacent sides are symmetrical, the boss positions of the motor mounting plate 6 are symmetrical, and the control surfaces clamp the shifting fork 5 in opposite rotating directions when the motor mounting plate is unfolded, so that rotating moments in different directions are generated and offset mutually.
The utility model provides a folding fixed balanced mechanism's subassembly that expandes of control surface, includes control surface, control surface upset pin, spring pushing head, control surface step up shift fork, motor mounting panel and main part chamber, its characterized in that: the control surface forms a revolute pair through a control surface overturning pin and is connected to the control surface clamping fork. The spring and the spring pusher are axially connected to form an elastic assembly, the elastic assembly is installed in a shifting fork hole position tightened on a control surface, the top of the spring pusher is in contact with the control surface, four groups of control surface folding, fixing and unfolding mechanisms formed in the way are uniformly distributed on the circumference of the main body cavity, and four motor mounting plates are uniformly distributed at the bottom of the main body cavity.
The tail part of the control surface is provided with a unthreaded hole, and the control surface overturning pin and the control surface clamping shifting fork form revolute pair connection.
The control surface overturning pin penetrates through the control surface unthreaded hole to form a revolute pair, so that the control surface can rotate around the axis of the control surface overturning pin, and the rudder surface overturning pin has two positions of folding and working. When the control surface is in a folded position, the spring is in a compressed state, and when the control surface is unfolded, the elasticity of the spring pushes the control surface to be unfolded and positioned in a working state.
The above mechanisms are four groups, and are respectively and uniformly arranged at the hole positions 7 of the main body cavity.
The mechanism component for folding, fixing and unfolding balance of the control surface is characterized in that a groove is formed in the side surface of the control surface.
The mechanism component for folding, fixing and unfolding the control surfaces to be balanced is characterized by comprising two control surfaces, wherein a groove is formed in the left side of one control surface, and a groove is formed in the right side of the other control surface.
The mechanism assembly for folding, fixing and unfolding balance of the control surface is characterized in that the control surface tightening shifting fork rotates around an axis to drive the control surface to deflect a certain angle around the axis of the control surface tightening shifting fork.
The mechanism component for folding, fixing and unfolding balance of the control surface is characterized in that a boss structure is arranged at a position, corresponding to a groove of the control surface, on the side surface of the motor mounting plate, the control surface deflects to one side with the boss by a certain angle when the control surface is in a folded state, the groove of the control surface is matched with the boss of the motor mounting plate, and the position of the control surface is fixed.
The mechanism component for folding, fixing and unfolding the control surface to be balanced is characterized in that when the control surface deflects to one side far away from the boss by a certain angle, the groove on the side surface of the control surface and the boss of the motor mounting plate move relatively to release the fit, and the control surface is restored to the working position under the thrust action of the spring.
The mechanism component for folding, fixing and unfolding balance of the control surface is characterized in that four stepped holes are uniformly distributed on the circumference of a main body cavity.
The mechanism assembly for folding, fixing and unfolding the control surface to balance is characterized in that four groups of control surface folding, fixing and unfolding mechanisms are formed by the control surface, a control surface overturning pin, a spring pushing head, a control surface clamping shifting fork and a motor mounting plate and are respectively mounted at four hole sites of a main body cavity.
The mechanism assembly for folding, fixing, unfolding and balancing the control surfaces is characterized in that four groups of control surface folding, fixing and unfolding devices are arranged in a main body cavity, two adjacent control surface grooves are symmetrical in position, and the positions of the two opposite control surface grooves are the same.
The mechanism component for folding, fixing, unfolding and balancing the control surfaces is characterized in that four groups of control surface folding, fixing and unfolding devices are arranged in a main body cavity, two motor mounting plates are provided with two bosses, the two motor mounting plates are not provided with bosses, the two same motor mounting plates are arranged at opposite positions of the main body cavity when being arranged, and the bosses and the control surface grooves are arranged at the same side.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a folding fixed balanced mechanism's subassembly that expandes of control surface, includes control surface, control surface upset pin, spring pushing head, control surface step up shift fork, motor mounting panel and main part chamber, its characterized in that: the control surface is connected to the control surface clamping fork through a control surface overturning pin to form a revolute pair. The spring is connected with the spring pushing head and then installed in a shifting fork hole position for clamping the control surface, the top of the spring pushing head is tangent with the control surface, and the four groups of control surface folding, fixing and unfolding mechanisms are respectively connected with the main body cavity.
The tail part of the control surface is provided with a unthreaded hole, and the control surface overturning pin and the control surface clamping shifting fork form revolute pair connection.
The control surface overturning pin penetrates through the control surface unthreaded hole to form a revolute pair, so that the control surface can rotate around the axis of the control surface overturning pin, and the rudder surface overturning pin has two positions of folding and working. When the control surface is in a folded position, the spring is in a compressed state, and when the control surface is unfolded, the elasticity of the spring pushes the control surface to be unfolded and positioned in a working state.
The above mechanisms are four groups, and are respectively and uniformly arranged at the hole sites of the main body cavity.
Furthermore, the side surface of the control surface is provided with a groove, and one side of the motor mounting plate adjacent to the side surface of the control surface is provided with a boss.
Furthermore, the left side of one control surface is provided with a groove, and the right side of the other control surface is provided with a groove.
Furthermore, the control surface clamping shifting fork rotates around the axis to drive the control surface to deflect a certain angle around the axis of the control surface clamping shifting fork.
Furthermore, the side surface of the motor mounting plate is provided with a boss structure at a position corresponding to the groove of the control surface, the control surface deflects to one side with the boss by a certain angle when the control surface is in a folded state, the groove of the control surface is matched with the boss of the motor mounting plate, and the position of the control surface is fixed.
Furthermore, when the rudder deflects towards one side far away from the boss by a certain angle, the groove on the side surface of the rudder surface and the boss of the motor mounting plate move relatively to release the matching, and the rudder surface is restored to the working position under the thrust action of the spring.
Furthermore, four stepped holes are uniformly distributed on the circumference of the main body cavity.
Furthermore, four groups of control surface folding, fixing and unfolding mechanisms consisting of a control surface, a control surface overturning pin, a spring pushing head, a control surface clamping shifting fork and a motor mounting plate are respectively arranged at four hole sites of the main body cavity.
Furthermore, the four groups of control surface folding, fixing and unfolding devices arranged in the main body cavity are symmetrical in groove positions of two adjacent control surfaces, and the groove positions of the two opposite control surfaces are the same.
Furthermore, the four groups of control surfaces arranged in the main body cavity are folded, fixed and unfolded, the two motor mounting plates are provided with two bosses, the two motor mounting plates are not provided with bosses, the two same motor mounting plates are arranged at opposite positions of the main body cavity when being arranged, and the bosses and the grooves of the control surfaces are arranged at the same side.
Claims (1)
1. The utility model provides a folding fixed deployment mechanism of control surface, includes control surface (1), control surface upset pin (4), spring (2), spring push head (3), its characterized in that: the control surface overturning mechanism further comprises a control surface clamping shifting fork (5), a motor mounting plate (6) and a main body cavity (7), wherein a control surface overturning pin (4) penetrates through a tail unthreaded hole of the control surface (1) and a head threaded hole of the control surface clamping shifting fork (5) to form a revolute pair; the spring (2) and the spring push head (3) are axially connected to form an elastic assembly, the spring (2) is installed in a hole position of the control surface clamping shifting fork (5), and the top of the spring push head (3) is in contact with the control surface (1); the single control surface folding structures formed in the above way are four groups, and are uniformly distributed on four hole sites on the circumference of the main body cavity (7), and the bottom of the main body cavity (7) is connected with 4 motor mounting plates (6);
the lateral surface of the control surface (1) is provided with a groove, the position of the lateral surface of the motor mounting plate (6) corresponding to the groove of the control surface (1) is provided with a boss structure, the control surface (1) deflects to one side with the boss by a set angle when the control surface (1) is in a folded state, and the groove of the control surface (1) is matched with the boss of the motor mounting plate (6) to fix the position of the control surface (1);
when the control surface (1) deflects to one side far away from a boss on the side surface of the motor mounting plate (6) by a certain angle, the groove on the side surface of the control surface (1) and the boss on the motor mounting plate (6) move relatively to release the matching, and the control surface (1) is restored to the working position under the thrust action of the spring (2);
four groups of control surface folding, fixing and unfolding devices are arranged in the main body cavity, the groove positions of two adjacent control surfaces (1) are symmetrical, and the groove positions of two opposite control surfaces (1) are the same;
the four groups of control surfaces arranged in the main body cavity are folded, fixed and unfolded, the two motor mounting plates are provided with two bosses, the two motor mounting plates are not provided with bosses, the two motor mounting plates are positioned at opposite positions of the main body cavity when the two same motor mounting plates are arranged, and the bosses and the control surfaces are positioned at the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798906.2A CN113375511B (en) | 2021-07-15 | 2021-07-15 | Folding, fixing and unfolding mechanism for control surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798906.2A CN113375511B (en) | 2021-07-15 | 2021-07-15 | Folding, fixing and unfolding mechanism for control surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113375511A CN113375511A (en) | 2021-09-10 |
| CN113375511B true CN113375511B (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110798906.2A Active CN113375511B (en) | 2021-07-15 | 2021-07-15 | Folding, fixing and unfolding mechanism for control surface |
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| CN (1) | CN113375511B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011126970A2 (en) * | 2010-04-07 | 2011-10-13 | Bae Systems Information And Electronic Systems Integration Inc. | Compression spring wing deployment initiator |
| US9086258B1 (en) * | 2013-02-18 | 2015-07-21 | Orbital Research Inc. | G-hardened flow control systems for extended-range, enhanced-precision gun-fired rounds |
| KR101937392B1 (en) * | 2018-06-14 | 2019-01-11 | 엘아이지넥스원 주식회사 | Wing Deployment Device of Unmanned Aerial and Launch System having the same |
| CN109186370A (en) * | 2018-07-26 | 2019-01-11 | 重庆长安工业(集团)有限责任公司 | A kind of folded surface unfolding mechanism |
| CN110230955A (en) * | 2019-06-28 | 2019-09-13 | 浙江理工大学 | Retaining mechanism and its expansion locking method is unfolded in submersible folding wings synchronous horizontal |
| CN111220032B (en) * | 2019-11-18 | 2022-05-27 | 中国空空导弹研究院 | Four-channel linkage unlocking mechanism of small folding control surface |
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- 2021-07-15 CN CN202110798906.2A patent/CN113375511B/en active Active
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