CN114562918A - Miniature electric folding steering engine - Google Patents
Miniature electric folding steering engine Download PDFInfo
- Publication number
- CN114562918A CN114562918A CN202210299250.4A CN202210299250A CN114562918A CN 114562918 A CN114562918 A CN 114562918A CN 202210299250 A CN202210299250 A CN 202210299250A CN 114562918 A CN114562918 A CN 114562918A
- Authority
- CN
- China
- Prior art keywords
- steering engine
- shaft
- gear
- rudder
- miniature electric
- Prior art date
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
- F42B15/01—Arrangements thereon for guidance or control
-
- 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
Abstract
The invention discloses a miniature electric folding steering engine which comprises a supporting device, a transmission device and a folding device, wherein the supporting device comprises a steering engine bracket which is connected with the transmission device and the folding device; the transmission device comprises a motor and a motor base, one end of the motor base is in threaded connection with the motor, the other end of the motor base is in fastening connection with the steering engine support, a screw rod is arranged on the motor base, and a nut and a gear are arranged on the screw rod; a gear is arranged on the motor; the gear is meshed with the gear; the folding device comprises a rudder shaft, a rudder wing pin, a rudder wing and a torsion spring, wherein the rudder shaft is provided with a shaft, and the shaft is provided with a shifting fork; the nut is radially provided with a boss which is matched with the shifting fork. The invention provides a miniature electric folding steering engine, which realizes the small size and reliability of a transmission device, is convenient to install and debug due to the modular design, realizes the folding function of the miniature steering engine, and has high reliability and simple structure.
Description
Technical Field
The invention belongs to the technical field of aviation, and particularly relates to a miniature electric folding steering engine.
Background
Modern military reconnaissance and attack mostly adopts small tactical missiles with small volume and low price to carry out close-range reconnaissance fixed-point clearing for small teams of three or five persons. The unmanned aerial vehicle has a commonality in both load and shoulder attack resistance, and the load-carrying capacity is limited, so that the miniature foldable steering engine is the best choice for a small tactical missile.
Because the steering engine of the micro missile generally has certain requirements on weight and volume, the high-integration and modular design concept is mostly adopted, and for certain types of missiles, in order to reduce the weight and compress the volume of the missile body, the steering engine is required to be as small and light as possible, and is required to be foldable, can be launched through a launching tube, and is convenient to seal and transport.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a miniature electric folding steering engine which is mainly designed aiming at a transmission device and a folding device of the steering engine; the small and exquisite reliability of the transmission device is realized, the modular design is realized, the installation and debugging are convenient, and the abnormal quick positioning function is realized; meanwhile, the folding function of the small-sized steering engine is realized, the reliability is high, and the structure is simple.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a miniature electric folding steering engine comprises: the folding device comprises a supporting device, a transmission device and a folding device, wherein the supporting device comprises a steering engine bracket 4 which is connected with the transmission device and the folding device; the transmission device comprises a motor 1 and a motor base 2, one end of the motor base 2 is in threaded connection with the motor 1, and the other end of the motor base 2 is in fastening connection with a steering engine bracket 4, wherein a screw rod 11 is arranged on the motor base 2, and a screw nut 9 and a first gear 12 are arranged on the screw rod 11; the motor 1 is provided with a second gear 13; the first gear 12 is meshed with the second gear 13; the folding device comprises a rudder shaft 7, a rudder wing pin 5, a rudder wing 3 and a torsion spring 6, wherein the rudder shaft 7 is provided with a shaft 17, and the shaft 17 is provided with a shifting fork 8; the nut 9 is radially provided with a boss which is matched with the shifting fork 8.
Furthermore, the miniature electric folding steering engine also comprises a potentiometer (15), a hole is formed in the middle of the potentiometer (15), and the potentiometer (15) is sleeved on the rudder shaft (7) through the hole; a first threaded hole is formed in the potentiometer (15), and the potentiometer (15) is fixedly connected with the steering engine support (4) through the first threaded hole.
Further, a screw thread is arranged on the motor base 2, and the motor 1 is connected with the motor base 2 through the screw thread; the bottom of the motor base 2 is provided with a second threaded hole, and the steering engine bracket 4 is fixedly connected with the motor base 2 through the second threaded hole.
Furthermore, grooves are formed in two ends of the rudder wing pin 5, the torsion spring 6 is installed on the rudder wing pin 5, and two arms of the torsion spring 6 are clamped in the grooves in the two ends of the rudder wing pin 5.
Furthermore, bosses are symmetrically arranged on the screw nut 9 in the radial direction, guide grooves are formed in the motor base 2, and the bosses which are symmetrical in the radial direction are matched with the guide grooves.
Furthermore, a through hole is formed in the rudder wing 3, and the rudder wing 3 is connected with the rudder shaft 7 through the through hole; one end of the rudder wing pin 5 is provided with a D-shaped shaft, and the rudder wing pin 5 is connected with the rudder shaft 7 through the D-shaped shaft.
Further, the shifting fork 8 is provided with a waist-shaped hole, and the boss on the screw nut 9 can penetrate into the waist-shaped hole of the shifting fork 8.
Further, the periphery of the second gear 13 is provided with teeth, the center of the second gear is provided with a through hole, and the second gear 13 is in interference fit with the motor 1; the periphery of the first gear 12 is provided with teeth, the center of the first gear is provided with a through hole, and the first gear 12 is in interference fit with the screw rod 11.
Further, miniature electronic folding steering wheel still includes bearing 10 and bearing 14, and 11 both ends of lead screw are provided with the optical axis, and bearing 10 and bearing 14 are installed on the optical axis at 11 both ends of lead screw.
Further, a screw thread is arranged on the screw rod 11, and the screw rod 11 is matched with the screw nut 9 through the screw thread; through holes are formed in two ends of the shaft 17, and the shaft 17 is connected with the rudder shaft 7 through a pin 16.
Further, the rudder shaft 7 is in threaded connection with the steering engine bracket 4; and threaded holes are arranged on the periphery of the steering engine support 4 and are fixedly connected with the corresponding cabin of the missile.
Drawings
Fig. 1 is a front view of a schematic structural diagram of a miniature electric folding steering engine of the present invention.
FIG. 2 is a schematic cross-sectional view taken along line A-A of a micro electric folding steering engine according to the present invention.
Fig. 3 is a top view of a schematic structural diagram of a miniature electric folding steering engine according to the present invention.
FIG. 4 is a schematic cross-sectional view taken along line B-B of a micro electric folding steering engine according to the present invention.
FIG. 5 is a schematic cross-sectional view taken along line C-C of a micro electric folding steering engine according to the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 to 5, a micro electric folding steering engine provided in an embodiment of the present invention includes: the folding device comprises a supporting device, a transmission device and a folding device, wherein the supporting device comprises a steering engine bracket 4 which is connected with the transmission device and the folding device; the transmission device comprises a motor 1 and a motor base 2, one end of the motor base 2 is in threaded connection with the motor 1, the other end of the motor base 2 is in fastening connection with a steering engine support 4, a screw rod 11 is arranged on the motor base 2, and a nut 9 and a first gear 12 are arranged on the screw rod 11. The motor 1 is provided with a second gear 13, and the first gear 12 is meshed with the second gear 13; the folding device comprises a rudder shaft 7, a rudder wing pin 5, a rudder wing 3 and a torsion spring 6, wherein the rudder shaft 7 is provided with a shaft 17, and the shaft 17 is provided with a shifting fork 8; the nut 9 is radially provided with a boss which is matched with the shifting fork 8. The miniature electric folding steering engine further comprises a potentiometer (15), a hole is formed in the middle of the potentiometer (15), and the potentiometer (15) is sleeved on the rudder shaft (7) through the hole; a first threaded hole is formed in the potentiometer (15), and the potentiometer (15) is fixedly connected with the steering engine support (4) through the first threaded hole.
The motor base 2 is provided with threads, and the motor 1 is connected with the motor base 2 through the threads; and a second threaded hole is formed in the bottom of the motor base 2, and the steering engine support 4 is fixedly connected with the motor base 2 through the second threaded hole. Two ends of the rudder wing pin 5 are provided with grooves, a torsion spring 6 is arranged on the rudder wing pin 5, and two arms of the torsion spring 6 are clamped in the grooves at the two ends of the rudder wing pin 5.
The radial symmetry is provided with the boss on screw 9, is provided with the guide way on the motor cabinet 2, the boss of radial symmetry with the guide way cooperation. The rudder wing 3 is provided with a through hole, and the rudder wing 3 is connected with the rudder shaft 7 through the through hole; one end of the rudder wing pin 5 is provided with a D-shaped shaft, and the rudder wing pin 5 is connected with the rudder shaft 7 through the D-shaped shaft. The shifting fork 8 is provided with a waist-shaped hole, and the boss on the screw nut 9 can penetrate into the waist-shaped hole of the shifting fork 8.
In the embodiment, the second gear 13 is provided with teeth on the periphery and a through hole in the center, and the second gear 13 is in interference fit with the motor 1; the periphery of the first gear 12 is provided with teeth, the center of the first gear is provided with a through hole, and the first gear 12 is in interference fit with the screw rod 11.
The miniature electric folding steering engine of this embodiment still includes bearing 10 and bearing 14, and 11 both ends of lead screw are provided with the optical axis, and bearing 10 and bearing 14 are installed on the optical axis at 11 both ends of lead screw.
The screw rod 11 is provided with threads, and the screw rod 11 is matched with the screw nut 9 through the threads; through holes are arranged at two ends of the shaft 17, and the shaft 17 is connected with the rudder shaft 7 through a pin 16. The rudder shaft 7 is in threaded connection with the steering engine bracket 4; and threaded holes are arranged on the periphery of the steering engine support 4 and are fixedly connected with the corresponding cabin of the missile.
The installation process of the invention is as follows:
1) installing a screw nut 9 on a screw rod 11, installing a first gear 12 on the screw rod 11, wherein the first gear is in interference fit, installing the assembly in a motor base 2, installing a second gear 13 on a motor 1, wherein the second gear is in interference fit, and screwing the assembly on the motor base 2 through threads;
2) the folding device is then assembled. The rudder shaft 7 and the rudder wing 3 are assembled together through a rudder wing pin 5, then a torsion spring 6 is assembled on the rudder wing pin 5, two arms of the torsion spring 6 are clamped in grooves at two ends of the rudder wing pin 5, a shifting fork 8 is assembled on a shaft 17 and welded, a potentiometer 15 is assembled on the shaft 7, and the shaft 17 is assembled on the rudder shaft 7.
3) Install the folding device subassembly on steering wheel support 4 through rudder axle 7, rudder axle 7 was placed on steering wheel support 4 dead eye this moment, and it is fixed to assemble the fastening through steering wheel support 4 with the screw with rudder axle 7, and on packing into steering wheel support 4 with transmission through motor cabinet 2 again, guarantee simultaneously that the boss penetrates the waist shape hole in shift fork 8 on the screw 9, after confirming errorlessly, with screw fixed motor cabinet 2 and potentiometer 15.
4) After the installation is finished, the first gear 12 is manually shifted, so that the screw 9 moves up and down, the shifting fork 8 is driven to move, the rudder wing 3 is finally driven to rotate, and whether the rotation is smooth or not is observed.
The working principle of the invention is as follows:
the miniature electric folding steering engine of the embodiment achieves various functions of a steering engine transmission device and a folding device after the assembly in the installation process is completed.
Specifically, the steering engine transmission device has the following principle: the rotation of the second gear 13 is driven by the rotation of the motor 1, thus forming a transmission sequence: the motor 1 rotates → the second gear 13 rotates → the first gear 12 rotates in the opposite direction → the lead screw 11 rotates → the nut 9 moves up and down → the shift fork 8 rotates around the shaft 17 → the rudder shaft 7 rotates → the rudder wing 3 rotates, and the transmission of the miniature electric folding steering engine of the embodiment relates to gear transmission, thread pair transmission and shift fork transmission.
The rudder wing folding device of the miniature electric folding steering engine of the embodiment has the following principle: the rudder wing 3 can rotate around the rudder shaft 5, the torsion spring 6 generates a moment in the unfolding direction of the rudder wing 3, the rudder wing 3 can be folded back under the action of external force, the constraint of the external force is lost, the rudder wing 3 is automatically unfolded, and when the rudder wing 3 is unfolded to be in a horizontal state, the corresponding surfaces of the rudder wing 3 and the rudder shaft 7 are attached and limited.
The steering engine operating principle of the miniature electric folding steering engine of the embodiment is as follows: the deflection of the rudder wing 3 is driven by the rotation of the motor 1, meanwhile, the inner core of the potentiometer 15 rotates, the rotation of the shaft 17, namely the rotation of the rudder wing 3, is acquired in real time and is compared with the given angle of the steering engine, if the deflection angle of the rudder wing 3 has deviation, the forward and reverse rotation of the motor is controlled by the given corresponding instruction, and therefore the accurate control of the deflection angle of the rudder wing 3 is realized.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. A miniature electric folding steering engine comprises a supporting device, a transmission device and a folding device, wherein,
the supporting device comprises a steering engine bracket (4) which is connected with the transmission device and the folding device;
the transmission device comprises a motor (1) and a motor base (2), one end of the motor base (2) is connected with the motor (1) through screw threads, the other end is connected with a steering engine bracket (4) in a fastening way, wherein,
a screw rod (11) is arranged on the motor base (2), and a nut (9) and a first gear (12) are arranged on the screw rod (11);
a second gear (13) is arranged on the motor (1); the first gear (12) is meshed with the second gear (13);
the folding device comprises a rudder shaft (7), a rudder wing pin (5), a rudder wing (3) and a torsion spring (6), wherein the rudder shaft (7) is provided with a shaft (17), and the shaft (17) is provided with a shifting fork (8);
the nut (9) is radially provided with a boss which is matched with the shifting fork (8).
2. The miniature electric folding steering engine according to claim 1,
the miniature electric folding steering engine further comprises a potentiometer (15), a hole is formed in the middle of the potentiometer (15), and the potentiometer (15) is sleeved on the steering shaft (7) through the hole; a first threaded hole is formed in the potentiometer (15), and the potentiometer (15) is fixedly connected with the steering engine support (4) through the first threaded hole.
3. The miniature electric folding steering engine according to claim 1,
the motor base (2) is provided with threads, and the motor (1) is connected with the motor base (2) through the threads;
a second threaded hole is formed in the bottom of the motor base (2), and the steering engine support (4) is fixedly connected with the motor base (2) through the second threaded hole.
4. The miniature electric folding steering engine according to claim 1 or 2,
two ends of the rudder wing pin (5) are provided with grooves, the torsion spring (6) is arranged on the rudder wing pin (5), and two arms of the torsion spring (6) are clamped in the grooves at the two ends of the rudder wing pin (5).
5. The miniature electric folding steering engine according to claim 1 or 2,
bosses are symmetrically arranged on the screw (9) in the radial direction, guide grooves are formed in the motor base (2), and the bosses in the radial direction are matched with the guide grooves.
6. The miniature electric folding steering engine according to claim 1 or 2,
the rudder wing (3) is provided with a through hole, and the rudder wing (3) is connected with the rudder shaft (7) through the through hole;
one end of the rudder wing pin (5) is provided with a D-shaped shaft, and the rudder wing pin (5) is connected with the rudder shaft (7) through the D-shaped shaft.
7. The micro electric folding steering engine according to any one of claims 1 to 3,
the shifting fork (8) is provided with a waist-shaped hole, and the boss on the screw nut (9) can penetrate into the waist-shaped hole of the shifting fork (8).
8. The miniature electric folding steering engine according to claim 1 or 2,
teeth are arranged on the periphery of the second gear (13), a through hole is formed in the center of the second gear, and the second gear (13) is in interference fit with the motor (1);
the periphery of the first gear (12) is provided with teeth, the center of the first gear is provided with a through hole, and the first gear (12) is in interference fit with the screw rod (11).
9. The miniature electric folding steering engine according to claim 1 or 2,
the miniature electric folding steering engine further comprises a bearing (10) and a bearing (14), optical axes are arranged at two end parts of the screw rod (11), and the bearing (10) and the bearing (14) are arranged on the optical axes at two end parts of the screw rod (11).
10. The miniature electric folding steering engine according to claim 1 or 2,
the screw rod (11) is provided with threads, and the screw rod (11) is matched with the screw nut (9) through the threads;
through holes are formed in two ends of the shaft (17), and the shaft (17) is connected with the rudder shaft (7) through a pin (16).
11. The miniature electric folding steering engine according to claim 1 or 2,
the rudder shaft (7) is in threaded connection with the steering engine bracket (4);
and threaded holes are arranged on the periphery of the steering engine support (4) and are fixedly connected with the corresponding cabin of the missile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210299250.4A CN114562918A (en) | 2022-03-25 | 2022-03-25 | Miniature electric folding steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210299250.4A CN114562918A (en) | 2022-03-25 | 2022-03-25 | Miniature electric folding steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114562918A true CN114562918A (en) | 2022-05-31 |
Family
ID=81718926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210299250.4A Pending CN114562918A (en) | 2022-03-25 | 2022-03-25 | Miniature electric folding steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114562918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468459A (en) * | 2022-08-31 | 2022-12-13 | 北京航天光华电子技术有限公司 | Rudder timing unfolding micro rudder system only based on angle instruction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107792346A (en) * | 2017-09-30 | 2018-03-13 | 中国科学院长春光学精密机械与物理研究所 | Motor feed screw nut component, steering wheel and aircraft |
| CN109000521A (en) * | 2018-07-24 | 2018-12-14 | 湖北泰和电气有限公司 | Rudder wingfold device, micro missile and rudder wingfold method |
| CN110455132A (en) * | 2019-08-30 | 2019-11-15 | 贵州航天控制技术有限公司 | A kind of small-sized integral type combination control mechanism |
| CN110481756A (en) * | 2019-08-26 | 2019-11-22 | 北京机电工程研究所 | A kind of folding minute vehicle of the rudder wing |
| CN113716021A (en) * | 2021-08-24 | 2021-11-30 | 成都志力科技发展有限责任公司 | Small steering engine and manufacturing method thereof |
-
2022
- 2022-03-25 CN CN202210299250.4A patent/CN114562918A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792346A (en) * | 2017-09-30 | 2018-03-13 | 中国科学院长春光学精密机械与物理研究所 | Motor feed screw nut component, steering wheel and aircraft |
| CN109000521A (en) * | 2018-07-24 | 2018-12-14 | 湖北泰和电气有限公司 | Rudder wingfold device, micro missile and rudder wingfold method |
| CN110481756A (en) * | 2019-08-26 | 2019-11-22 | 北京机电工程研究所 | A kind of folding minute vehicle of the rudder wing |
| CN110455132A (en) * | 2019-08-30 | 2019-11-15 | 贵州航天控制技术有限公司 | A kind of small-sized integral type combination control mechanism |
| CN113716021A (en) * | 2021-08-24 | 2021-11-30 | 成都志力科技发展有限责任公司 | Small steering engine and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468459A (en) * | 2022-08-31 | 2022-12-13 | 北京航天光华电子技术有限公司 | Rudder timing unfolding micro rudder system only based on angle instruction |
| CN115468459B (en) * | 2022-08-31 | 2023-08-11 | 北京航天光华电子技术有限公司 | Rudder sheet timing deployment micro rudder system based on angle instruction only |
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