CN107681818B - A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space - Google Patents
A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space Download PDFInfo
- Publication number
- CN107681818B CN107681818B CN201710719439.3A CN201710719439A CN107681818B CN 107681818 B CN107681818 B CN 107681818B CN 201710719439 A CN201710719439 A CN 201710719439A CN 107681818 B CN107681818 B CN 107681818B
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- lead screw
- position sensor
- shell
- brake
- wall
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Classifications
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- 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
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- 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
-
- 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
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
Abstract
A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space, is related to highly reliable electromechanical actuator field；Including trunnion end, actuator shell, external rotor electric machine lead screw unit, inner rotor motor lead screw unit, the second rotary transformer, second brake, the first rotary transformer, the first brake and position sensor unit；Trunnion end is installed on actuator shell；External rotor electric machine lead screw unit is mounted on the middle part of actuator shell；Second rotary transformer is installed on second brake；Inner rotor motor lead screw unit is installed on external rotor electric machine lead screw unit；The first rotary transformer is installed on inner rotor motor lead screw unit；First brake is installed on the first rotary transformer；Position sensor unit edge is axially sleeved ikn on actuator shell.Implementation mechanism of the present invention can return to zero under once failure or drop volume work, while electrical system has the function of double redundancy failure safe, improves the reliability and safety of electromechanical actuator.
Description
Technical field
The present invention relates to a kind of highly reliable electromechanical actuator field, especially a kind of integrated form suitable for small space is anti-
Card plug double redundancy electromechanical actuator.
Background technique
Electromechanical actuator because of high transmission accuracy, fast response time and it is easy to maintain the advantages that be widely used in servo techniques
Field.For ball-screw-transmission as one of common driving form of linear electromechanical actuator, stuck issue is to restrict electromechanical make
Device is moved in the widely applied main factor of aviation and naval vessel field.For the reliability for improving electromechanical actuator, electromechanical actuator
Need to have antiseize function or trouble isolation serviceability.Currently, electromechanical actuator usually guarantees that electrical system has redundance function,
And fail to adopt an effective measure in the stuck problem of lead screw, it is not able to satisfy mechanism high reliability request.Prior art
The remaining scheme of bi-motor Yu dual input planetary retarder is mostly used, structure is complicated, and occupied space is big, is not able to satisfy narrow
Space installation requirements.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of integrated form suitable for small space is provided
Antiseize double redundancy electromechanical actuator guarantees that mechanism can return to zero under once failure or drop volume work, while electrical system has
Double redundancy failure safe function improves the reliability and safety of electromechanical actuator.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space, including fixed trunnion end, output
Trunnion end, actuator shell, external rotor electric machine lead screw unit, inner rotor motor lead screw unit, dive key, the second rotation transformation
Device, second brake, the first rotary transformer, the first brake and position sensor unit；
Wherein, actuator shell is hollow cylindrical structure；Axial one end of actuator shell is fixedly installed with fixed branch
Ear end；External rotor electric machine lead screw unit is axially fixed in the middle part of the inner cavity for being mounted on actuator shell；External rotor electric machine lead screw list
Member is fixedly installed with second brake axially adjacent to the one end at fixed trunnion end；The axial end face of second brake is fixedly installed with
Second rotary transformer；External rotor electric machine lead screw unit is fixedly installed with inner rotor motor lead screw axially away from the one end at trunnion end
Unit；The outer wall of inner rotor motor lead screw unit is connect by dive key with the inner wall of actuator shell；Inner rotor motor silk
Thick stick unit is fixedly installed with the first rotary transformer far from axial one end of external rotor electric machine lead screw unit；First rotary transformer
Axial one end be fixedly installed with the first brake；Along being axially sleeved ikn, actuator shell is separate to fix branch to position sensor unit
The outer wall at ear end；The axially extending position sensor unit in axial one end of rotor electric machine lead screw unit, and it is solid to export trunnion end
Dingan County is mounted in one end of rotor electric machine lead screw unit axially extended position sensor unit.
In a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, the position sensing
Device unit includes position sensor assembly, position sensor mounting rod, position sensor installation shell, sealing ring, first is electrically connected
Connect device, the second electric connector, position sensor installation lid and position sensor connector；Wherein, position sensor installs shell
It is axially fixed the axial one end for being mounted on inner rotor motor lead screw unit；Position sensor installation cover rim turns in being axially sleeved ikn
The lateral wall of sub-motor lead screw unit, and the end face of position sensor installation shell and position sensor installation lid is located at same water
Plane；Position sensor mounting rod is arranged in the inner bottom vertical axial that position sensor installs shell；Position sensor group
One end of part is axially fixed on position sensor mounting rod；Position sensor connector is axially fixed to position sensor
The other end of component；First electric connector and the second electric connector horizontal symmetrical are mounted on the axial direction of inner rotor motor lead screw unit
On end face；The contact position of projecting shaft and position sensor the installation shell of rotor electric machine lead screw unit is provided with sealing ring.
In a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, the external rotor electric
Machine lead screw unit includes planetary roller component, rotor axis of electric, motor stator, screw rod, rotor connecting shaft and brake casing；Its
In, rotor connecting shaft is located at center；Motor stator is wrapped in the outer wall of rotor connecting shaft along axial direction；Rotor axis of electric is along axis
To the outer wall for being wrapped in motor stator；Screw rod is wrapped in the outer wall of rotor axis of electric；Planetary roller component is wrapped in the outer of screw rod
Wall；Second brake shell is fixedly mounted on the outer wall of second brake.
In a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, inner rotor motor silk
Thick stick unit includes inner rotor motor stator, inner rotor motor rotor, the fixed shell of stator, end cap, the first lead screw and the first braking
Device mounting shell；Wherein, lead screw is axially located in center；Inner rotor motor rotor is wrapped in the outer wall of the first lead screw；Interior turn
Sub-motor stator is wrapped in the outer wall of inner rotor motor rotor；The fixed shell of stator is wrapped in the outer wall of inner rotor motor stator；
First brake mounting shell is axially located in one end of the fixed shell of stator, and the first brake mounting shell is wrapped in the first braking
The outer wall of device；End cap is axially located in fixed end face of the shell far from the first brake mounting shell of stator.
It is described in a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, assembly
The concentricity tolerance grade of first lead screw and shell 3 is not less than 7 grades.
In a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, the position sensing
Device assembly includes the second lead screw, planetary roller component and retaining ring；Wherein, the second lead screw is horizontal positioned；Planetary roller component is fixed
It is mounted on the axial side wall of the second lead screw；Retaining ring is fixedly mounted on the shaft end outer wall of the second lead screw.
In a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, the screw rod and
Two lead screws are GCr15 bearing steel material.
In a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, the dive key
For solid self lubricant material.
It is described in a kind of above-mentioned integrated form antiseize double redundancy electromechanical actuator suitable for small space, assembly
The concentricity tolerance grade of second rotary transformer and the first rotary transformer is not less than 7 grades.
The invention has the following advantages over the prior art:
(1) power unit of the present invention is laid out using external rotor electric machine and inner rotor motor integrated form, coaxial design, realizes electricity
Gas double- redundancy.Topology layout is compact, and radial dimension is very small, is suitable for small space.When fail operation, entire actuation list
Member slides along shell, and compared with along operating bar slip scheme, rigidity is higher；
(2) inner rotor motor of the present invention and the integrated design of planetary roller screw pair, rotor axis of electric centre bore add
Work has spiral rolling track, directly engages with planetary roller component, eliminates connector, reduces axial length；
(3) external rotor electric machine of the present invention uses the external layout of armature spindle, and planetary roller component is fit directly into outside armature spindle
Circle, as lead screw, actuator enclosure interior is machined with spiral rolling track, as lead screw pair nut, realizes worm drive, the company of eliminating
Fitting reduces axial length and radial dimension.The design of bearing block hollow shaft and the design of rotor connecting shaft, ensure that angular contact ball
The radially installed and axial bearing capacity transmission path of bearing and deep groove ball bearing.
Detailed description of the invention
Fig. 1 is electromechanical actuator internal cross section figure of the present invention；
Fig. 2 is electromechanical actuator outline drawing of the present invention；
Fig. 3 is electric connector installation diagram of the present invention；
Fig. 4 is that external rotor electric machine-lead screw of the present invention makees moving cell composition figure；
Fig. 5 is that inner rotor motor-lead screw of the present invention makees moving cell composition figure；
Fig. 6 is lead screw assembly assembling schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
For this purpose, highly integrated formula layout makes the invention discloses a kind of electromechanical actuator for having lead screw antiseize function
Its installation requirements that can meet small space guarantees that lead screw can return to zero under card plug state or drop volume work, while motor has
Have double redundancy failure tolerant ability, thus effectively prevent the actuator malfunction and failure problem caused by lead screw card plug and it is electrical therefore
Hinder Problem of Failure, the application for electromechanical actuator in highly reliable field provides technical support.
It is as shown in Figure 1 electromechanical actuator internal cross section figure, as seen from the figure, a kind of integrated form suitable for small space is anti-
Card plug double redundancy electromechanical actuator, including fixed trunnion end 1, output trunnion end 2, actuator shell 3, external rotor electric machine lead screw list
Member 4, inner rotor motor lead screw unit 5, dive key 6, M10 attachment screw component 9, the braking of the second rotary transformer 10, second
Device 11, M4 attachment screw component 12, the first rotary transformer 13, the first brake 14 and position sensor unit；
Wherein, position sensor 3 is hollow cylindrical structure；Axial one end of position sensor 3 is fixedly installed with fixation
Trunnion end 1, and the lateral surface at fixed trunnion end 1 is fixedly installed with M10 attachment screw component 9；4 edge of external rotor electric machine lead screw unit
It is axially installed in the middle part of the inner cavity of actuator shell 3；External rotor electric machine lead screw unit 4 is axially adjacent to fixed trunnion end 1
One end is fixedly installed with second brake 11；The axial end face of second brake 11 is fixedly installed with the second rotary transformer 10；
External rotor electric machine lead screw unit 4 is fixedly installed with inner rotor motor lead screw unit 5 axially adjacent to one end far from trunnion end 1；Outside
M4 attachment screw component 12 is fixedly installed between rotor electric machine lead screw unit 4 and inner rotor motor lead screw unit 5；Internal rotor electricity
The outer wall of machine lead screw unit 5 is connect by dive key 6 with the inner wall of actuator shell 3；Inner rotor motor lead screw unit 5 is separate
Axial one end of external rotor electric machine lead screw unit 4 is fixedly installed with the first rotary transformer 13；The axis of first rotary transformer 13
The first brake 14 is fixedly installed with to one end；Along being axially sleeved ikn, actuator shell 3 is separate to fix branch to position sensor unit
The outer wall at ear end 1.The axially extending position sensor unit in axial one end of rotor electric machine lead screw unit 5, and export trunnion end 2
It is fixedly mounted on one end of 5 axially extended position sensor unit of rotor electric machine lead screw unit.
It is illustrated in figure 2 electromechanical actuator outline drawing, is illustrated in figure 3 electric connector installation diagram, as seen from the figure, institute's rheme
Setting sensor unit includes position sensor assembly 7, position sensor mounting rod 8, position sensor installation shell 15, sealing ring
16, the first electric connector 17, the second electric connector 18, position sensor installation lid 19, installation lid fixing screws component 20,6xM5
Attachment screw component 21 and position sensor connector 23；Wherein, position sensor installation shell 15, which is axially fixed, is mounted on
Axial one end of inner rotor motor lead screw unit 5；Position sensor installs lid 19 along being axially sleeved ikn inner rotor motor lead screw list
The lateral wall of member 5, and the end face of position sensor installation shell 15 and position sensor installation lid 19 is located at same level；Position
Set the inner bottom vertical axial setting position sensor mounting rod 8 of sensor installation shell 15；Position sensor assembly 7
One end is axially fixed on position sensor mounting rod 8；Position sensor connector 23 is axially fixed to position sensor
The other end of component 7；First electric connector 17 and 18 horizontal symmetrical of the second electric connector are mounted on inner rotor motor lead screw unit 5
Axial end face on；The contact position of the projecting shaft of rotor electric machine lead screw unit 5 and position sensor installation shell 15 is provided with close
Seal 16.Lid fixing screws component 20 is installed and 6xM5 attachment screw component 21 is arranged in position sensor mounting cover 19 and interior turn
The junction of 5 axial end face of sub-motor lead screw unit.
It is illustrated in figure 4 external rotor electric machine-lead screw and makees moving cell composition figure, as seen from the figure, external rotor electric machine lead screw unit 4
Including planetary roller component 22, rotor axis of electric 24, motor stator 25, screw rod 26, rotor connecting shaft 27 and brake casing 28；
Wherein, rotor connecting shaft 27 is located at center；Motor stator 25 is wrapped in the outer wall of rotor connecting shaft 27 along axial direction；Motor turns
Sub- axis 24 is wrapped in the outer wall of motor stator 25 along axial direction；Screw rod 26 is wrapped in the outer wall of rotor axis of electric 24；Planetary roller group
Part 22 is wrapped in the outer wall of screw rod 26；Second brake shell 28 is fixedly mounted on the outer wall of second brake 11.
It is illustrated in figure 5 inner rotor motor-lead screw and makees moving cell composition figure, as seen from the figure, inner rotor motor lead screw unit 5
Including inner rotor motor stator 51, inner rotor motor rotor 52, stator fixed shell 53, end cap 54, the first lead screw 55 and first
Brake mounting shell 56；Wherein, lead screw 55 is axially located in center；Inner rotor motor rotor 52 is wrapped in the first lead screw 55
Outer wall；Inner rotor motor stator 51 is wrapped in the outer wall of inner rotor motor rotor 52；The fixed shell 53 of stator turns in being wrapped in
The outer wall of sub-motor stator 51；First brake mounting shell 56 is axially located in one end of the fixed shell 53 of stator, and the first system
Dynamic device mounting shell 56 is wrapped in the outer wall of the first brake 14；End cap 54 is axially located in the fixed shell 53 of stator far from the first system
The end face of dynamic device mounting shell 56.When assembly, the concentricity tolerance grade of first lead screw 55 and shell 3 is not less than 7 grades.
Be illustrated in figure 6 lead screw assembly assembling schematic diagram, as seen from the figure, position sensor assembly 7 include the second lead screw 71,
Planetary roller component 72 and retaining ring 73；Wherein, the second lead screw 71 is horizontal positioned；Planetary roller component 72 is fixedly mounted on second
The axial side wall of thick stick 71；Retaining ring 73 is fixedly mounted on the shaft end outer wall of the second lead screw 71.
Wherein, screw rod 26 and the second lead screw 71 are GCr15 bearing steel material；Dive key 6 is solid self lubricant material.
When assembly, the concentricity tolerance grade of second rotary transformer 10 and the first rotary transformer 13 is not less than 7
Grade.
The utility model has the advantages that
1, power unit is laid out using external rotor electric machine and inner rotor motor integrated form, coaxial design, is realized electrical double superfluous
Complementary work energy.Topology layout is compact, and radial dimension is very small, is suitable for small space.When fail operation, entirely make moving cell along shell
Body sliding, compared with along operating bar slip scheme, rigidity is higher.
4 coaxial design of inner rotor motor lead screw unit 5 and external rotor electric machine lead screw unit.In a failure mode, spiral shell is generated
Rotation transmission pushes actuator unit that integral translation occurs along shell under the reaction of power.Shell 3 and fixed 1 spiral shell of lug component
Nail connection, for being oriented to the stroke of actuator, compared with double cropping lever scheme, the support stiffness of shell is high, and zero-bit length is short.
2, inner rotor motor and the integrated design of planetary roller screw pair, rotor axis of electric centre bore are machined with spiral
Raceway directly engages with planetary roller component, eliminates connector, reduces axial length.
3, external rotor electric machine uses the external layout of armature spindle, and planetary roller component is fit directly into armature spindle outer ring, as
Lead screw, actuator enclosure interior are machined with spiral rolling track, as lead screw pair nut, realize worm drive, eliminate connector, subtract
Small axial length and radial dimension.Bearing block hollow shaft design and rotor connecting shaft design, ensure that angular contact ball bearing and
The radially installed and axial bearing capacity transmission path of deep groove ball bearing.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (9)
1. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space, it is characterised in that: including fixed branch
Ear end (1), output trunnion end (2), actuator shell (3), external rotor electric machine lead screw unit (4), inner rotor motor lead screw unit
(5), dive key (6), the second rotary transformer (10), second brake (11), the first rotary transformer (13), the first braking
Device (14) and position sensor unit；
Wherein, actuator shell (3) is hollow cylindrical structure；Axial one end of actuator shell (3) is fixedly installed with fixation
Trunnion end (1)；External rotor electric machine lead screw unit (4) is axially fixed in the middle part of the inner cavity for being mounted on actuator shell (3)；Outer rotor
Motor lead screw unit (4) is fixedly installed with second brake (11) axially adjacent to the one end of fixed trunnion end (1)；Second brake
(11) axial end face is fixedly installed with the second rotary transformer (10)；External rotor electric machine lead screw unit (4) is axially away from trunnion
The one end at end (1) is fixedly installed with inner rotor motor lead screw unit (5)；The outer wall of inner rotor motor lead screw unit (5) is by leading
It is connect to flat key (6) with the inner wall of actuator shell (3)；Inner rotor motor lead screw unit (5) is far from external rotor electric machine lead screw list
The axial one end of first (4) is fixedly installed with the first rotary transformer (13)；Axial one end of first rotary transformer (13) is fixed
First brake (14) are installed；Position sensor unit is separate fixed trunnion end (1) along actuator shell (3) are axially sleeved ikn
Outer wall；The axially extending position sensor unit in axial one end of rotor electric machine lead screw unit (5), and export trunnion end (2)
It is fixedly mounted on one end of inner rotor motor lead screw unit (5) axially extended position sensor unit.
2. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 1,
Be characterized in that: the position sensor unit includes position sensor assembly (7), position sensor mounting rod (8), position sensing
Device installs shell (15), sealing ring (16), the first electric connector (17), the second electric connector (18), position sensor installation lid
(19) and position sensor connector (23)；Wherein, position sensor installation shell (15), which is axially fixed, is mounted on internal rotor
Axial one end of motor lead screw unit (5)；Position sensor installation lid (19) edge is axially sleeved ikn inner rotor motor lead screw unit
(5) lateral wall, and the end face of position sensor installation shell (15) and position sensor installation lid (19) is located at same level
Face；Position sensor mounting rod (8) are arranged in the inner bottom vertical axial that position sensor installs shell (15)；Position sensing
One end of device assembly (7) is axially fixed on position sensor mounting rod (8)；Position sensor connector (23) is along axial solid
It is scheduled on the other end of position sensor assembly (7)；First electric connector (17) and the installation of the second electric connector (18) horizontal symmetrical
On the axial end face of inner rotor motor lead screw unit (5)；The projecting shaft and position sensor of rotor electric machine lead screw unit (5) are pacified
The contact position of dress shell (15) is provided with sealing ring (16).
3. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 2,
Be characterized in that: the external rotor electric machine lead screw unit (4) includes that planetary roller component (22), rotor axis of electric (24), motor are fixed
Sub (25), screw rod (26), rotor connecting shaft (27) and brake casing (28)；Wherein, rotor connecting shaft (27) is located at centre bit
It sets；Motor stator (25) is wrapped in the outer wall of rotor connecting shaft (27) along axial direction；Rotor axis of electric (24) is wrapped in electricity along axial direction
The outer wall of machine stator (25)；Screw rod (26) is wrapped in the outer wall of rotor axis of electric (24)；Planetary roller component (22) is wrapped in silk
The outer wall of bar (26)；Second brake shell (28) is fixedly mounted on the outer wall of second brake (11).
4. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 1,
Be characterized in that: inner rotor motor lead screw unit (5) includes inner rotor motor stator (51), inner rotor motor rotor (52), stator
Fixed shell (53), end cap (54), the first lead screw (55) and the first brake mounting shell (56)；Wherein, lead screw (55) is along axial direction
Positioned at center；Inner rotor motor rotor (52) is wrapped in the outer wall of the first lead screw (55)；Inner rotor motor stator (51) packet
It is rolled in the outer wall of inner rotor motor rotor (52)；Stator fixed shell (53) is wrapped in the outer wall of inner rotor motor stator (51)；
First brake mounting shell (56) is axially located in one end of stator fixed shell (53), and the first brake mounting shell (56) wraps
It is rolled in the outer wall of the first brake (14)；End cap (54) is axially located in stator fixed shell (53) and installs far from the first brake
The end face of shell (56).
5. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 4,
Be characterized in that: when assembly, the concentricity tolerance grade of first lead screw (55) and shell 3 is not less than 7 grades.
6. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 3,
Be characterized in that: the position sensor assembly (7) includes the second lead screw (71), planetary roller component (72) and retaining ring (73)；Its
In, the second lead screw (71) is horizontal positioned；Planetary roller component (72) is fixedly mounted on the axial side wall of the second lead screw (71)；Retaining ring
(73) it is fixedly mounted on the shaft end outer wall of the second lead screw (71).
7. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 6,
Be characterized in that: the screw rod (26) and the second lead screw (71) are GCr15 bearing steel material.
8. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 1,
Be characterized in that: the dive key (6) is solid self lubricant material.
9. a kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space according to claim 1,
Be characterized in that: when assembly, the concentricity tolerance grade of second rotary transformer (10) and the first rotary transformer (13) is not
Lower than 7 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719439.3A CN107681818B (en) | 2017-08-21 | 2017-08-21 | A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719439.3A CN107681818B (en) | 2017-08-21 | 2017-08-21 | A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space |
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| Publication Number | Publication Date |
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| CN107681818A CN107681818A (en) | 2018-02-09 |
| CN107681818B true CN107681818B (en) | 2019-07-12 |
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| CN201710719439.3A Active CN107681818B (en) | 2017-08-21 | 2017-08-21 | A kind of integrated form antiseize double redundancy electromechanical actuator suitable for small space |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112253571B (en) * | 2020-09-22 | 2023-09-29 | 北京精密机电控制设备研究所 | Electromechanical actuator for realizing full-scale, non-full-scale or follow-up function after screw rod is blocked |
| CN113794322B (en) * | 2021-08-19 | 2023-01-10 | 北京自动化控制设备研究所 | Series transmission electric servo actuator |
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| JP4399754B2 (en) * | 2000-05-31 | 2010-01-20 | 日立オートモティブシステムズ株式会社 | Electric disc brake |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7190096B2 (en) * | 2004-06-04 | 2007-03-13 | The Boeing Company | Fault-tolerant electro-mechanical actuator having motor armatures to drive a ram and having an armature release mechanism |
| CN102324800A (en) * | 2011-04-12 | 2012-01-18 | 深圳市再丰达实业有限公司 | Intensive rotary expansion device |
| CN104218728A (en) * | 2013-09-13 | 2014-12-17 | 黄河科技学院 | Highly-integrated electro-mechanical actuator and application method thereof |
| CN204041577U (en) * | 2014-09-13 | 2014-12-24 | 北京精密机电控制设备研究所 | Downhole tool hydraulic power unit |
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| CN107681818A (en) | 2018-02-09 |
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