CN107681818A - A kind of double remaining electromechanical actuators of integrated form antiseize suitable for small space - Google Patents
A kind of double remaining electromechanical actuators of integrated form antiseize suitable for small space Download PDFInfo
- Publication number
- CN107681818A CN107681818A CN201710719439.3A CN201710719439A CN107681818A CN 107681818 A CN107681818 A CN 107681818A CN 201710719439 A CN201710719439 A CN 201710719439A CN 107681818 A CN107681818 A CN 107681818A
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- leading screw
- position sensor
- brake
- rotor
- wall
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of double remaining electromechanical actuators of integrated form antiseize suitable for small space, are related to highly reliable electromechanical actuator field；Including journal stirrup end, actuator housing, external rotor electric machine leading screw unit, inner rotor motor leading screw unit, the second rotary transformer, second brake, the first rotary transformer, the first brake and position sensor unit；Journal stirrup end is installed on actuator housing；External rotor electric machine leading screw unit is arranged on the middle part of actuator housing；Second rotary transformer is installed on second brake；Inner rotor motor leading screw unit is installed on external rotor electric machine leading screw unit；The first rotary transformer is installed on inner rotor motor leading screw unit；First brake is installed on the first rotary transformer；Position sensor unit is sleeved on actuator housing vertically.The present invention realize mechanism under once failure can back to zero or drop volume work, while electrical system has double remaining failure safe functions, improves the reliability and security of electromechanical actuator.
Description
Technical field
The present invention relates to a kind of highly reliable electromechanical actuator field, a kind of particularly integrated form suitable for small space is prevented
The double remaining electromechanical actuators of jam.
Background technology
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 type of belt drive of linear electromechanical actuator, its stuck issue is to restrict electromechanical make
Dynamic device is in the wide variety of main factor of aviation and naval vessel field.To improve the reliability of electromechanical actuator, electromechanical actuator
Need to possess antiseize function or trouble isolation serviceability.At present, electromechanical actuator generally ensures that electrical system possesses redundance function,
And fail to adopt an effective measure on the problem of leading screw is stuck, it is impossible to meet mechanism high reliability request.Prior art
More remaining schemes using bi-motor and dual input planetary decelerator, complicated, space-consuming is big, it is impossible to meets narrow and small
Space mounting demand.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, there is provided a kind of integrated form suitable for small space
The double remaining electromechanical actuators of antiseize, ensure mechanism under once failure can back to zero or drop volume work, while electrical system has
Double remaining failure safe functions, improve the reliability and security of electromechanical actuator.
The above-mentioned purpose of the present invention is achieved by following technical solution：
A kind of double remaining electromechanical actuators of integrated form antiseize suitable for small space, including fixed journal stirrup end, output
Journal stirrup end, actuator housing, external rotor electric machine leading screw unit, inner rotor motor leading screw unit, dive key, the second rotation transformation
Device, second brake, the first rotary transformer, the first brake and position sensor unit；
Wherein, actuator housing is hollow cylindrical structure；Axial one end of actuator housing is installed with fixed branch
Ear end；External rotor electric machine leading screw unit is axially fixed in the middle part of the inner chamber of actuator housing；External rotor electric machine leading screw list
Member is installed with second brake axially adjacent to the one end at fixed journal stirrup end；The axial end of second brake is installed with
Second rotary transformer；External rotor electric machine leading screw unit is installed with inner rotor motor leading screw axially away from the one end at journal stirrup end
Unit；The outer wall of inner rotor motor leading screw unit is connected by dive key with the inwall of actuator housing；Inner rotor motor silk
The axial one end of thick stick unit away from external rotor electric machine leading screw unit is installed with the first rotary transformer；First rotary transformer
Axial one end be installed with the first brake；Position sensor unit is sleeved on actuator housing away from fixed branch vertically
The outer wall at ear end；The axially extending position sensor unit in axial one end of rotor electric machine leading screw unit, and export journal stirrup end and consolidate
Dingan County is mounted in one end of rotor electric machine leading screw unit axially extended position sensor unit.
In a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, the position sensing
Device unit is electrically connected including position sensor assembly, position sensor mounting rod, position sensor installation housing, sealing ring, first
Connect device, the second electric connector, position sensor installation lid and position sensor connector；Wherein, position sensor installation housing
It is axially fixed installed in axial one end of inner rotor motor leading screw unit；Position sensor installation cover rim turns in being axially sleeved ikn
The lateral wall of sub-motor leading screw unit, and the end face of position sensor installation housing and position sensor installation lid is located at same water
Plane；The inner bottom vertical axial of position sensor installation housing sets position sensor mounting rod；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 arranged on the axial direction of inner rotor motor leading screw unit
On end face；The contact position of the projecting shaft of rotor electric machine leading screw unit and position sensor installation housing is provided with sealing ring.
In a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, the external rotor electric
Machine leading screw unit includes planetary roller component, rotor axis of electric, motor stator, screw mandrel, 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 vertically；Rotor axis of electric is along axle
To the outer wall for being wrapped in motor stator；Screw mandrel is wrapped in the outer wall of rotor axis of electric；Planetary roller component is wrapped in the outer of screw mandrel
Wall；Second brake housing is fixedly mounted on the outer wall of second brake.
In a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, inner rotor motor silk
Thick stick unit includes inner rotor motor stator, inner rotor motor rotor, stator fixed shell, end cap, the first leading screw and the first braking
Device mounting shell；Wherein, leading screw is axially located in center；Inner rotor motor rotor is wrapped in the outer wall of the first leading screw；Interior turn
Sub-motor stator is wrapped in the outer wall of inner rotor motor rotor；Stator fixed shell is wrapped in the outer wall of inner rotor motor stator；
First brake mounting shell is axially located in one end of stator fixed shell, and the first brake mounting shell is wrapped in the first braking
The outer wall of device；End cap is axially located in end face of the stator fixed shell away from the first brake mounting shell.
It is described in a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, assembling
The concentricity tolerance grade of first leading screw and housing 3 is not less than 7 grades.
In a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, the position sensing
Device assembly includes the second leading screw, planetary roller component and back-up ring；Wherein, the second leading screw is horizontal positioned；Planetary roller component is fixed
Installed in the axial side wall of the second leading screw；Back-up ring is fixedly mounted on the shaft end outer wall of the second leading screw.
In a kind of double remaining electromechanical actuators of above-mentioned integrated form antiseize suitable for small space, the screw mandrel and the
Two leading screws are GCr15 bearing steel materials.
In a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, the dive key
For solid self lubricant material.
It is described in a kind of above-mentioned double remaining electromechanical actuators of integrated form antiseize suitable for small space, assembling
The concentricity tolerance grade of second rotary transformer and the first rotary transformer is not less than 7 grades.
The present invention has the following advantages that compared with 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, suitable for small space.During fail operation, whole start list
Member slides along housing, 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, is directly engaged 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 leading screw, actuator enclosure interior is machined with spiral rolling track, as lead screw pair nut, realizes worm drive, the company of eliminating
Fitting, reduce axial length and radial dimension.Bearing block hollow shaft designs and the design of rotor connecting shaft, ensure that angular contact ball
The radially installed and axial bearing capacity bang path of bearing and deep groove ball bearing.
Brief description of the drawings
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-leading screw of the present invention makees moving cell composition figure；
Fig. 5 is that inner rotor motor-leading screw of the present invention makees moving cell composition figure；
Fig. 6 is lead screw assembly assembling schematic diagram of the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Therefore, the invention discloses a kind of electromechanical actuator for possessing leading screw antiseize function, highly integrated formula layout makes
It can meet the installation requirements of small space, ensure that leading screw can be with back to zero or drop volume work under jam state, while motor has
Have double remaining failure tolerant abilities, so as to effectively prevent the actuator malfunction and failure problem caused by leading screw jam and electrically therefore
Hinder Problem of Failure, technical support is provided for application of the electromechanical actuator in highly reliable field.
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 prevented
The double remaining electromechanical actuators of jam, including fixed journal stirrup end 1, output journal stirrup end 2, actuator housing 3, external rotor electric machine leading screw list
Member 4, inner rotor motor leading screw unit 5, dive key 6, M10 attachment screws component 9, the braking of the second rotary transformer 10, second
Device 11, M4 attachment screws 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 installed with fixation
Journal stirrup end 1, and the lateral surface at fixed journal stirrup end 1 is installed with M10 attachment screws component 9；The edge of external rotor electric machine leading screw unit 4
It is axially installed in the middle part of the inner chamber of actuator housing 3；External rotor electric machine leading screw unit 4 is axially adjacent to fixed journal stirrup end 1
One end is installed with second brake 11；The axial end of second brake 11 is installed with the second rotary transformer 10；
External rotor electric machine leading screw unit 4 is installed with inner rotor motor leading screw unit 5 axially adjacent to one end away from journal stirrup end 1；Outside
M4 attachment screws component 12 is installed between rotor electric machine leading screw unit 4 and inner rotor motor leading screw unit 5；Internal rotor electricity
The outer wall of machine leading screw unit 5 is connected by dive key 6 with the inwall of actuator housing 3；Inner rotor motor leading screw unit 5 is remote
Axial one end of external rotor electric machine leading screw unit 4 is installed with the first rotary transformer 13；The axle of first rotary transformer 13
The first brake 14 is installed with to one end；Position sensor unit is sleeved on actuator housing 3 away from fixed branch vertically
The outer wall at ear end 1.The axially extending position sensor unit in axial one end of rotor electric machine leading screw unit 5, and export journal stirrup end 2
It is fixedly mounted on one end of the axially extended position sensor unit of rotor electric machine leading screw unit 5.
Electromechanical actuator outline drawing is illustrated in figure 2, is illustrated in figure 3 electric connector installation diagram, as seen from the figure, institute's rheme
Putting sensor unit includes position sensor assembly 7, position sensor mounting rod 8, position sensor installation housing 15, sealing ring
16th, 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 housing 15, which is axially fixed, is arranged on
Axial one end of inner rotor motor leading screw unit 5；Position sensor installation lid 19 is sleeved on inner rotor motor leading screw list vertically
The lateral wall of member 5, and the end face of position sensor installation housing 15 and position sensor installation lid 19 is located at same level；Position
The inner bottom vertical axial for putting sensor installation housing 15 sets position sensor mounting rod 8；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 the horizontal symmetrical of the second electric connector 18 are arranged on inner rotor motor leading screw unit 5
Axial end on；The contact position of the projecting shaft of rotor electric machine leading screw unit 5 and position sensor installation housing 15 is provided with close
Seal 16.Installation lid fixing screws component 20 and 6xM5 attachment screws component 21 are arranged on position sensor installation lid 19 and interior turn
The junction of the axial end of sub-motor leading screw unit 5.
It is illustrated in figure 4 external rotor electric machine-leading screw and makees moving cell composition figure, as seen from the figure, external rotor electric machine leading screw unit 4
Including planetary roller component 22, rotor axis of electric 24, motor stator 25, screw mandrel 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 vertically；Motor turns
Sub- axle 24 is wrapped in the outer wall of motor stator 25 vertically；Screw mandrel 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 mandrel 26；Second brake housing 28 is fixedly mounted on the outer wall of second brake 11.
It is illustrated in figure 5 inner rotor motor-leading screw and makees moving cell composition figure, as seen from the figure, inner rotor motor leading screw unit 5
Including inner rotor motor stator 51, inner rotor motor rotor 52, stator fixed shell 53, end cap 54, the first leading screw 55 and first
Brake mounting shell 56；Wherein, leading screw 55 is axially located in center；Inner rotor motor rotor 52 is wrapped in the first leading screw 55
Outer wall；Inner rotor motor stator 51 is wrapped in the outer wall of inner rotor motor rotor 52；Stator fixed shell 53 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 stator fixed shell 53, 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 stator fixed shell 53 away from the first system
The end face of dynamic device mounting shell 56.During assembling, the concentricity tolerance grade of first leading screw 55 and housing 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 leading screw 71,
Planetary roller component 72 and back-up ring 73；Wherein, the second leading screw 71 is horizontal positioned；Planetary roller component 72 is fixedly mounted on second
The axial side wall of thick stick 71；Back-up ring 73 is fixedly mounted on the shaft end outer wall of the second leading screw 71.
Wherein, the leading screw 71 of screw mandrel 26 and second is GCr15 bearing steel materials；Dive key 6 is solid self lubricant material.
During assembling, the concentricity tolerance grade of the rotary transformer 13 of the second rotary transformer 10 and first is not less than 7
Level.
Beneficial effect:
1st, power unit is laid out using external rotor electric machine and inner rotor motor integrated form, coaxial design, is realized electrically double superfluous
Complementary work energy.Topology layout is compact, and radial dimension is very small, suitable for small space.During fail operation, entirely make moving cell along shell
Body slides, and compared with along operating bar slip scheme, rigidity is higher.
Inner rotor motor leading screw unit 5 and the coaxial design of external rotor electric machine leading screw unit 4.In a failure mode, spiral shell is produced
Rotation transmission, under the reaction of power, promote actuator unit that integral translation occurs along housing.Housing 3 and the fixed spiral shell of lug component 1
Nail connection, for being oriented to the stroke of actuator, compared with double cropping lever scheme, the support stiffness of housing is high, and zero-bit length is short.
2nd, inner rotor motor and the integrated design of planetary roller screw pair, rotor axis of electric centre bore are machined with spiral
Raceway, directly engaged with planetary roller component, eliminate connector, reduce axial length.
3rd, external rotor electric machine uses the external layout of armature spindle, and planetary roller component is fit directly into armature spindle outer ring, as
Leading 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 bang path of deep groove ball bearing.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (9)
- A kind of 1. double remaining electromechanical actuators of integrated form antiseize suitable for small space, it is characterised in that：Including fixed branch Ear end (1), output journal stirrup end (2), actuator housing (3), external rotor electric machine leading screw unit (4), inner rotor motor leading 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 housing (3) is hollow cylindrical structure；Axial one end of actuator housing (3) is installed with fixation Journal stirrup end (1)；External rotor electric machine leading screw unit (4) is axially fixed in the middle part of the inner chamber of actuator housing (3)；Outer rotor Motor leading screw unit (4) is installed with second brake (11) axially adjacent to the one end of fixed journal stirrup end (1)；Second brake (11) axial end is installed with the second rotary transformer (10)；External rotor electric machine leading screw unit (4) is axially away from journal stirrup The one end at end (1) is installed with inner rotor motor leading screw unit (5)；The outer wall of inner rotor motor leading screw unit (5) is by leading It is connected to flat key (6) with the inwall of actuator housing (3)；Inner rotor motor leading screw unit (5) is away from external rotor electric machine leading screw list The axial one end of first (4) is installed with the first rotary transformer (13)；Axial one end of first rotary transformer (13) is fixed First brake (14) is installed；Position sensor unit is sleeved on actuator housing (3) away from fixed journal stirrup end (1) vertically Outer wall；The axially extending position sensor unit in axial one end of rotor electric machine leading screw unit (5), and export journal stirrup end (2) It is fixedly mounted on one end of rotor electric machine leading screw unit (5) axially extended position sensor unit.
- 2. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 1, its It is characterised by：The position sensor unit includes position sensor assembly (7), position sensor mounting rod (8), position sensing Device installation housing (15), sealing ring (16), the first electric connector (17), the second electric connector (18), position sensor installation lid And position sensor connector (23) (19)；Wherein, position sensor installation housing (15) is axially fixed installed in internal rotor Axial one end of motor leading screw unit (5)；Position sensor installation lid (19) is sleeved on inner rotor motor leading screw unit vertically (5) lateral wall, and the end face of position sensor installation housing (15) and position sensor installation lid (19) is located at same level Face；The inner bottom vertical axial of position sensor installation housing (15) sets position sensor mounting rod (8)；Position sensing One end of device assembly (7) is axially fixed on position sensor mounting rod (8)；Position sensor connector (23) is solid vertically 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 of inner rotor motor leading screw unit (5)；The projecting shaft of rotor electric machine leading screw unit (5) is pacified with position sensor The contact position of dress housing (15) is provided with sealing ring (16).
- 3. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 2, its It is characterised by：It is fixed that the external rotor electric machine leading screw unit (4) includes planetary roller component (22), rotor axis of electric (24), motor Sub (25), screw mandrel (26), rotor connecting shaft (27) and brake casing (28)；Wherein, rotor connecting shaft (27) is located at centre bit Put；Motor stator (25) is wrapped in the outer wall of rotor connecting shaft (27) vertically；Rotor axis of electric (24) is wrapped in electricity vertically The outer wall of machine stator (25)；Screw mandrel (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 housing (28) is fixedly mounted on the outer wall of second brake (11).
- 4. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 1, its It is characterised by：Inner rotor motor leading screw unit (5) includes inner rotor motor stator (51), inner rotor motor rotor (52), stator Fixed shell (53), end cap (54), the first leading screw (55) and the first brake mounting shell (56)；Wherein, leading screw (55) is vertically Positioned at center；Inner rotor motor rotor (52) is wrapped in the outer wall of the first leading screw (55)；Inner rotor motor stator (51) wraps 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 installed away from the first brake The end face of shell (56).
- 5. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 4, its It is characterised by：During assembling, first leading screw (55) and the concentricity tolerance grade of housing 3 are not less than 7 grades.
- 6. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 3, its It is characterised by：The position sensor assembly (7) includes the second leading screw (71), planetary roller component (72) and back-up ring (73)；Its In, the second leading screw (71) is horizontal positioned；Planetary roller component (72) is fixedly mounted on the axial side wall of the second leading screw (71)；Back-up ring (73) it is fixedly mounted on the shaft end outer wall of the second leading screw (71).
- 7. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 6, its It is characterised by：The screw mandrel (26) and the second leading screw (71) are GCr15 bearing steel materials.
- 8. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 1, its It is characterised by：The dive key (6) is solid self lubricant material.
- 9. the double remaining electromechanical actuators of a kind of integrated form antiseize suitable for small space according to claim 1, its It is characterised by：During assembling, the concentricity tolerance grade of second rotary transformer (10) and the first rotary transformer (13) is not Less 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 |
|---|---|
| CN107681818A true CN107681818A (en) | 2018-02-09 |
| CN107681818B CN107681818B (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN112253571A (en) * | 2020-09-22 | 2021-01-22 | 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 lead screw is clamped |
| CN113794322A (en) * | 2021-08-19 | 2021-12-14 | 北京自动化控制设备研究所 | Series transmission electric servo actuator |
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|---|---|---|---|---|
| CN112253571A (en) * | 2020-09-22 | 2021-01-22 | 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 lead screw is clamped |
| 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 |
| CN113794322A (en) * | 2021-08-19 | 2021-12-14 | 北京自动化控制设备研究所 | Series transmission electric servo actuator |
| 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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| CN107681818B (en) | 2019-07-12 |
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