CN110336410A - A kind of novel all-in-one straight-line displacement output electromechanical actuator - Google Patents
A kind of novel all-in-one straight-line displacement output electromechanical actuator Download PDFInfo
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- CN110336410A CN110336410A CN201910605672.8A CN201910605672A CN110336410A CN 110336410 A CN110336410 A CN 110336410A CN 201910605672 A CN201910605672 A CN 201910605672A CN 110336410 A CN110336410 A CN 110336410A
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- actuator
- lead screw
- straight
- novel
- line displacement
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000003449 preventive effect Effects 0.000 claims abstract description 22
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 229910000906 Bronze Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000010974 bronze Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/106—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric brakes
Abstract
This disclosure relates to which a kind of novel all-in-one straight-line displacement exports electromechanical actuator, it include: motor, linear displacement transducer, lead screw assembly, transmission mechanism and rotation preventive mechanism, the motor, linear displacement transducer, an actuator shell is shared with lead screw assembly, the linear displacement transducer is fixed on actuator shell, the lead screw assembly includes lead screw shaft, locking nut and lead screw pair, at actuator shell both ends, trunnion is set, the rotation preventive mechanism is set at the trunnion at both ends, structure is compact to design, number of parts is few, process and assemble is simple, gap and the bite possibility of entire actuator are substantially reduced on the whole, enhance the overall stiffness and reliability of actuator simultaneously, lifting system performance and efficiency.
Description
Technical field
The present invention relates to a kind of novel all-in-one straight-line displacements to export electromechanical actuator.
Background technique
Servo mechanism is the executing agency of aerospace craft and weapon system, and electromechanical actuator is in electromechanical coupling system
Power output executes system, has the characteristics that loading moment is big, dynamic characteristic requirement is high, collection degree is high.In recent years, electromechanical actuation
The power grade of device is higher and higher, with the professional techniques such as high power device, high performance motor, high performance power transmission element into
Step, electromechanical actuator power-mass ratio further increase, and are more suitable for the integrated level that integrated design improves product, become following new
High-power servo-system important development direction in type weapon system.
High-power mechanical-electrical actuator is mainly (logical by actuator shell, brshless DC motor and shell, transmission mechanism at present
Often be multistage spur gear and ball-screw secondary combination), output mechanism (rocker arm and output shaft), sensor independently design system
It makes, is finally assembled to realize the assembly and fixation of entire mechanism in a shell.The prior art there are structures cumbersome, part compared with
It is more, assembly is complicated, is difficult to ensure precision, exist simultaneously that transmission link is more, gap is big, rigidity is low, low efficiency, bite possibility
Greatly, each component is respectively provided with respective shell structure in actuator, causes volume and weight bigger than normal, and space utilization rate is low, power matter
Amount than it is not high the deficiencies of.
Summary of the invention
Technical problem to be solved by the present invention lies in providing a kind of novel all-in-one straight-line displacement output electromechanical actuator,
The technical issues of solving system performance and inefficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of novel all-in-one straight-line displacement output
Electromechanical actuator characterized by comprising motor, linear displacement transducer, lead screw assembly, transmission mechanism and rotation preventive mechanism, institute
It states motor, linear displacement transducer, share an actuator shell with lead screw assembly, the linear displacement transducer is fixed on work
On dynamic device shell, the lead screw assembly includes lead screw shaft, locking nut and lead screw pair, and trunnion is arranged at actuator shell both ends,
The rotation preventive mechanism is set at the trunnion at both ends, and the actuator shell includes upper housing and lower case, passes through upper and lower two
Tapered roller bearing provides support for lead screw shaft, and the rotation preventive mechanism includes locked spacer, the electricity of the linear displacement transducer
Resistance body part is fixed on actuator shell, and brush is moved synchronously with locking nut, and the transmission mechanism includes driving key and match
Slot is closed, by being driven key control locked spacer, locking nut and lead screw shaft is tightened together, is controlled and is driven by processing method
Key transmission, and adjust the gap between mating groove.
Compared with prior art, the invention has the following beneficial technical effects:
First, structure is simple, comprising: motor, linear displacement transducer, lead screw assembly, transmission mechanism and rotation preventive mechanism, institute
It states motor, linear displacement transducer, share an actuator shell with lead screw assembly, the linear displacement transducer is fixed on work
On dynamic device shell, the lead screw assembly includes lead screw shaft, locking nut and lead screw pair, and trunnion is arranged at actuator shell both ends,
The rotation preventive mechanism is set at the trunnion at both ends, and structure is compact to design, number of parts is few, and process and assemble is simple, on the whole
Gap and the bite possibility of entire actuator are substantially reduced, while enhancing the overall stiffness and reliability of actuator, is promoted
System performance and efficiency.
Second, it is widely used, the integrated whole design number of parts of use is few, process and assembly is simple, and reduction finishes
Structure passiveness quality, heat dissipation area when increasing work reduce actuator total quality；Compared to traditional design, on the whole greatly
Gap and the bite possibility for reducing entire actuator greatly, enhance the overall stiffness and dynamic response capability of actuator, mention
High electromechanical actuator heavy load functional reliability；Technology portability is good, can be widely applicable to the servo system of all kinds of aircraft
High-power mechanical-electrical actuator in system.
Detailed description of the invention
Fig. 1 is the overall structure signal of the transmission system of novel all-in-one straight-line displacement output electromechanical actuator of the invention
Figure；
Fig. 2 is that the lead screw assembly of novel all-in-one straight-line displacement output electromechanical actuator of the invention and rotation preventive mechanism are illustrated
Figure；
Fig. 3 is the shell end structural schematic diagram of novel all-in-one straight-line displacement output electromechanical actuator of the invention.
Appended drawing reference signal
11- lower case 12- upper housing 13- trunnion 14- rotation preventive mechanism
21- locking nut 22- straight-tooth 25- motor 26- driving key 27- locked spacer
28- lead screw pair 29- linear displacement transducer 31- lead screw shaft 33- pin
34- oscillating bearing
Specific embodiment
Below by specific embodiment, present invention is further described in detail, but these embodiments are only that citing
Illustrate, the scope of the present invention is not defined.
Fig. 1 to Fig. 3 is please referred to, a kind of novel all-in-one straight-line displacement of the invention exports electromechanical actuator, comprising: electricity
Machine, linear displacement transducer, lead screw assembly, transmission mechanism and rotation preventive mechanism, the motor, linear displacement transducer and lead screw
Component shares an actuator shell, and the linear displacement transducer is fixed on actuator shell, and the lead screw assembly includes
Lead screw shaft 31, locking nut 21 and lead screw pair 28 are arranged trunnion 13 at actuator shell both ends, are arranged at the trunnion 13 at both ends
The rotation preventive mechanism 14, the actuator shell include upper housing 12 and lower case 11, pass through upper and lower two tapered roller bearings
Support is provided for lead screw shaft 31, the rotation preventive mechanism 14 includes locked spacer 27, the resistor body of the linear displacement transducer 29
Part is fixed on actuator shell, and brush is moved synchronously with locking nut 21, and the transmission mechanism includes driving key 26 and match
Slot (not shown) is closed, locked spacer 27 is controlled by driving key 26, locking nut and lead screw shaft are tightened together, processing is passed through
Mode controls driving key transmission, and adjusts the gap between mating groove.The integrated design of use, number of parts is few,
Processing and assembly are simple, compare traditional design, substantially reduce gap and the bite possibility of entire actuator on the whole, increase
The strong overall stiffness and dynamic response capability of actuator, improves electromechanical actuator heavy load functional reliability.
In one embodiment, the transmission mechanism, locking nut and rotation preventive mechanism are arranged in actuator enclosure interior.
Inside housings using nut rotation stop arrangement, with transmission key control locked spacer, locking nut and lead screw shaft are tightened together,
Key is pressed in slot by screw and limits its axial float by gap between control key and mating groove, when lead screw shaft is by heavy load, no
There can be relative motion, avoid the loose phenomenon occurred after heavy load and occur.
In one embodiment, the transmission mechanism is straight-tooth and ball-screw composite structure.
In one embodiment, the motor uses permanent magnet synchronous motor, drives lead screw shaft rotation by two-stage spur reduction
Turn, the output shaft being connected with locking nut is driven to move in a straight line.
In one embodiment, increase sliding bearing support and tin between the output end and lead screw of the actuator shell
Bronze support and guiding improve stress and frictional behavior when heavy load work.
In one embodiment, the processing method is that driving key is pressed in mating groove by screw to limit its axially biography
It is dynamic.
In one embodiment, the rotation preventive mechanism is circular arc rotation preventive mechanism.Traditional plane rotation stop is replaced using circular arc
Mechanism achievees the purpose that not interfering actuator beat while rotation stop again.
In one embodiment, actuator shell both ends, which use, has axial-rotation freedom degree pin, oscillating bearing
It is connect with rudder stock and jet pipe location hole.
In one embodiment, actuator output torque is not less than 11000N, output row not less than 3200Nm, power output
Journey is not less than ± 45mm, and weight is not more than 4.38Kg.Eliminate autorotation trend caused by commutation moves.
Under the premise of not influencing this technology overall structure function, the inside specific structure of section components of the invention can be adopted
With the structure of the prior art.
The present invention realizes following beneficial technical effect:
First, structure is simple, comprising: motor, linear displacement transducer, lead screw assembly, transmission mechanism and rotation preventive mechanism, institute
It states motor, linear displacement transducer, share an actuator shell with lead screw assembly, the linear displacement transducer is fixed on work
On dynamic device shell, the lead screw assembly includes lead screw shaft, locking nut and lead screw pair, and trunnion is arranged at actuator shell both ends,
The rotation preventive mechanism is set at the trunnion at both ends, and structure is compact to design, number of parts is few, and process and assemble is simple, on the whole
Gap and the bite possibility of entire actuator are substantially reduced, while enhancing the overall stiffness and reliability of actuator, is promoted
System performance and efficiency.
Second, it is widely used, the integrated whole design number of parts of use is few, process and assembly is simple, and reduction finishes
Structure passiveness quality, heat dissipation area when increasing work reduce actuator total quality；Compared to traditional design, on the whole greatly
Gap and the bite possibility for reducing entire actuator greatly, enhance the overall stiffness and dynamic response capability of actuator, mention
High electromechanical actuator heavy load functional reliability；Technology portability is good, can be widely applicable to the servo system of all kinds of aircraft
High-power mechanical-electrical actuator in system.
Although the present invention has chosen preferable embodiment and discloses as above, it is not intended to limit the present invention.Obviously, it is not necessarily to here
Also all embodiments can not be exhaustive.Any this field researcher without departing from the spirit and scope of the present invention,
The design method and content that all can be used in embodiment disclosed above are changed and are modified to research approach of the invention, because
This, all contents without departing from the present invention program, research essence according to the present invention is to any simple made by above-described embodiment
Modification, Parameters variation and modification, belong to the protection scope of the present invention program.
Claims (10)
1. a kind of novel all-in-one straight-line displacement exports electromechanical actuator characterized by comprising motor, straight-line displacement sensing
Device, lead screw assembly, transmission mechanism and rotation preventive mechanism, the motor, linear displacement transducer share an actuation with lead screw assembly
Device shell, the linear displacement transducer are fixed on actuator shell, and the lead screw assembly includes lead screw shaft, locking nut with
Lead screw pair is arranged trunnion at actuator shell both ends, the rotation preventive mechanism, the actuator shell is arranged at the trunnion at both ends
Including upper housing and lower case, support is provided for lead screw shaft by upper and lower two tapered roller bearings, the rotation preventive mechanism includes
The resistance body portion of locked spacer, the linear displacement transducer is fixed on actuator shell, and brush is synchronous with locking nut
Movement, the transmission mechanism includes driving key and mating groove, by being driven key control locked spacer, by locking nut and lead screw shaft
It tightens together, driving key transmission is controlled by processing method, and adjust the gap between mating groove.
2. novel all-in-one straight-line displacement according to claim 1 exports electromechanical actuator, which is characterized in that the transmission
Mechanism, locking nut and rotation preventive mechanism are arranged in actuator enclosure interior.
3. novel all-in-one straight-line displacement according to claim 1 exports electromechanical actuator, which is characterized in that the transmission
Mechanism is straight-tooth and ball-screw composite structure.
4. novel all-in-one straight-line displacement according to claim 3 exports electromechanical actuator, which is characterized in that the motor
Using permanent magnet synchronous motor, lead screw shaft rotation is driven by two-stage spur reduction, the output shaft being connected with locking nut is driven to do
Linear motion.
5. novel all-in-one straight-line displacement according to claim 1 exports electromechanical actuator, which is characterized in that in the work
Increase sliding bearing support and tin bronze support and guiding between the output end and lead screw of dynamic device shell.
6. novel all-in-one straight-line displacement according to claim 2 exports electromechanical actuator, which is characterized in that the processing
Mode is that driving key is pressed in mating groove by screw to limit its axially transmission.
7. novel all-in-one straight-line displacement according to claim 1 exports electromechanical actuator, which is characterized in that the rotation stop
Mechanism is circular arc rotation preventive mechanism.
8. novel all-in-one straight-line displacement according to claim 1 exports electromechanical actuator, which is characterized in that the actuation
Device shell both ends are used to be connected with axial-rotation freedom degree pin, oscillating bearing and rudder stock and jet pipe location hole.
9. novel all-in-one straight-line displacement according to claim 2 exports electromechanical actuator, which is characterized in that actuator is defeated
Torque is not less than 11000N not less than 3200Nm, power output out, and delivery stroke is not less than ± 45mm, and weight is not more than
4.38Kg。
10. novel all-in-one straight-line displacement according to claim 4 exports electromechanical actuator, which is characterized in that the branch
Ear is Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605672.8A CN110336410A (en) | 2019-07-05 | 2019-07-05 | A kind of novel all-in-one straight-line displacement output electromechanical actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605672.8A CN110336410A (en) | 2019-07-05 | 2019-07-05 | A kind of novel all-in-one straight-line displacement output electromechanical actuator |
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| Publication Number | Publication Date |
|---|---|
| CN110336410A true CN110336410A (en) | 2019-10-15 |
Family
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| CN201910605672.8A Pending CN110336410A (en) | 2019-07-05 | 2019-07-05 | A kind of novel all-in-one straight-line displacement output electromechanical actuator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868013A (en) * | 2019-10-24 | 2020-03-06 | 北京希姆咨询有限公司 | Linear actuator and control method thereof |
| CN111550507A (en) * | 2020-05-14 | 2020-08-18 | 贵州航天林泉电机有限公司 | Electromechanical actuator for unmanned aerial vehicle brake |
| CN113531074A (en) * | 2021-06-29 | 2021-10-22 | 中国科学院长春光学精密机械与物理研究所 | Displacement actuator |
| CN113636069A (en) * | 2020-04-27 | 2021-11-12 | 北京机械设备研究所 | Servo control lead screw transmission device and control method |
| CN113685520A (en) * | 2021-07-13 | 2021-11-23 | 北京航天光华电子技术有限公司 | Integrated universal linear actuator and manufacturing process thereof |
| CN113701788A (en) * | 2020-05-21 | 2021-11-26 | 北京机械设备研究所 | Installation method of linear displacement sensor |
| CN114590396A (en) * | 2022-03-14 | 2022-06-07 | 中国商用飞机有限责任公司 | Actuation control method of reverse-thrust actuation device |
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| CN103840601A (en) * | 2014-03-06 | 2014-06-04 | 北京精密机电控制设备研究所 | Electric-mechanical actuator |
| CN105990951A (en) * | 2016-06-29 | 2016-10-05 | 北京精密机电控制设备研究所 | Roller screw electromechanical actuator |
| CN211018536U (en) * | 2019-07-05 | 2020-07-14 | 贵州航天控制技术有限公司 | Novel integrated linear displacement output electromechanical actuator |
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2019
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| JP2010270887A (en) * | 2009-05-25 | 2010-12-02 | Ntn Corp | Electric actuator |
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| CN211018536U (en) * | 2019-07-05 | 2020-07-14 | 贵州航天控制技术有限公司 | Novel integrated linear displacement output electromechanical actuator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868013A (en) * | 2019-10-24 | 2020-03-06 | 北京希姆咨询有限公司 | Linear actuator and control method thereof |
| CN113636069A (en) * | 2020-04-27 | 2021-11-12 | 北京机械设备研究所 | Servo control lead screw transmission device and control method |
| CN111550507A (en) * | 2020-05-14 | 2020-08-18 | 贵州航天林泉电机有限公司 | Electromechanical actuator for unmanned aerial vehicle brake |
| CN113701788A (en) * | 2020-05-21 | 2021-11-26 | 北京机械设备研究所 | Installation method of linear displacement sensor |
| CN113701788B (en) * | 2020-05-21 | 2023-05-16 | 北京机械设备研究所 | Method for installing linear displacement sensor |
| CN113531074A (en) * | 2021-06-29 | 2021-10-22 | 中国科学院长春光学精密机械与物理研究所 | Displacement actuator |
| CN113531074B (en) * | 2021-06-29 | 2023-03-10 | 中国科学院长春光学精密机械与物理研究所 | Displacement actuator |
| CN113685520A (en) * | 2021-07-13 | 2021-11-23 | 北京航天光华电子技术有限公司 | Integrated universal linear actuator and manufacturing process thereof |
| CN113685520B (en) * | 2021-07-13 | 2023-08-29 | 北京航天光华电子技术有限公司 | Integrated universal linear actuator and manufacturing process thereof |
| CN114590396A (en) * | 2022-03-14 | 2022-06-07 | 中国商用飞机有限责任公司 | Actuation control method of reverse-thrust actuation device |
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