CN107792346A - Motor feed screw nut component, steering wheel and aircraft - Google Patents
Motor feed screw nut component, steering wheel and aircraft Download PDFInfo
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- CN107792346A CN107792346A CN201710917179.0A CN201710917179A CN107792346A CN 107792346 A CN107792346 A CN 107792346A CN 201710917179 A CN201710917179 A CN 201710917179A CN 107792346 A CN107792346 A CN 107792346A
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- rotor
- steering wheel
- motor
- locking
- feed screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/38—Transmitting means with power amplification
- B64C13/50—Transmitting means with power amplification using electrical energy
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention provides a kind of motor feed screw nut component, steering wheel and aircraft.Steering wheel provided by the present invention includes transmission mechanism, expansion retaining mechanism and supporter；The transmission mechanism motor feed screw nut component, pull pin, rotor, rudder piece, upper sliding bearing and properties of journal bearing lubricated；The expansion retaining mechanism includes locking pin assemblies, middle sliding bearing, rotating shaft, short screw, extension spring and long bolt；The supporter is used to fix the motor.Steering wheel provided by the invention is simple in construction, and machinery driving efficiency is high, and drive gap is small, reliable lock.
Description
Technical field
The present invention relates to folding steering wheel and electric steering engine technical field for cartridge type transmitting small aircraft, more particularly to one
Kind motor feed screw nut component, steering wheel and aircraft.
Background technology
With the miniaturization of aircraft, the inexorable trend of the miniaturization of steering wheel and its development, domestic and foreign scholars are received
Extensive concern.The drive form of steering wheel has vapour-pressure type, fluid pressure type and electrodynamic type.Wherein pneumatic cylinder and Driven by Hydraulic Cylinder are due to driving
Dynamic power set are larger, miniaturization difficult realized, so electric steering engine is increasingly favored by people.Ball screw type steering wheel
With gearratio it is big, occupy little space the characteristics of, meet the requirement of small size big speed ratio, be the conventional driver of electric steering engine
Structure.
Chinese patent application CN105035310A discloses a kind of electric steering engine, including：Motor, decelerator and feedback level
Meter；Decelerator includes：Bevel gear, the output shaft of engagement connection motor；Gear assembly, engagement connection bevel gear；Spur gear, engagement
Connection gear component；Output shaft, connect spur gear；In addition, feedback potentiometer and output axis connection.It is done using bevel gear slows down
Mechanism, transmission mechanism can realize the change vertically rotated by horizontally rotating, but bevel gear making is complicated, to assembly precision
It is required that high, space-consuming can not be applied on small aircraft greatly.
With fold transport of the steering wheel to aircraft of steering wheel structure, storage, carrier aircraft adaptability, reduce packing case size etc.
There is very important meaning, so folding rudder aircraft receives more and more extensive concern.Fold the expanding performance of steering wheel structure
The flying quality of aircraft is directly affected, is of great significance so inventing a kind of rapid deployment retaining mechanism.
The content of the invention
The existing steering wheel of present invention solution is complicated, quality is big, high temperature performance is poor, folding rudder impulsive force is big, it is small to lack
The problems such as size is with the steering wheel for folding rudder piece, the embodiments of the invention provide a kind of motor feed screw nut component, steering wheel and fly
Row device.
In a first aspect, the invention provides a kind of motor feed screw nut component, including：Motor, shaft coupling, lower bearing, silk
Thick stick, feed screw nut, nut seat, end ring, upper bearing (metal) and locking nut；The motor is connected by shaft coupling and the leading screw
Connect, motor power is transferred on the leading screw；The leading screw is connected with the feed screw nut, the feed screw nut and the spiral shell
Female seat is connected；The shaft coupling contacts with lower bearing, plays a part of supporting lower bearing, the end ring is connected by screw thread
It is connected on leading screw, pretightning force can be applied to bearing；The locking nut is threadedly attached on the leading screw, to bearing rib
Circle locking is locking.Motor feed screw nut component of the present invention, leading screw both ends are realized by angular contact ball bearing and supported, close
The bearing of motor side is threadedly attached on leading screw by the use of shaft coupling as end ring, end ring, is contacted with bearing inner race,
Locking nut is threadedly attached on leading screw, plays the locking effect to end ring.Two bearings are installation back-to-back, are led to
The adjustment that end ring realizes bearing pre-fastening is crossed, when there is height warm deformation, this mounting means can make rubbing for bearing
It is little to wipe torque increase.
Second aspect, the invention provides a kind of steering wheel, including：Transmission mechanism, the transmission mechanism include institute of the present invention
The motor feed screw nut component of offer, pull pin, rotor, rudder piece, upper sliding bearing and properties of journal bearing lubricated, it is described pull pin with it is described
The nut seat of motor feed screw nut component is connected, and guide groove is provided with the rotor, and the rudder piece is arranged on the guiding
In groove；Deploy retaining mechanism, the expansion retaining mechanism includes locking pin assemblies, middle sliding bearing, rotating shaft, short screw, extension spring
And long bolt, the rudder piece are connected on the rotor by the rotating shaft and middle sliding bearing, the rudder piece can be around described
Axis of rotation, the locking pin assemblies are fixed on the rudder piece；And supporter, the supporter are used to fix the motor.
The transmission mechanism of the steering wheel of the present invention, using motor as power source, is transferred power on feed screw nut, leading screw spiral shell by shaft coupling
Mother is transferred power on rotor, by the cooperation of rotor and rudder piece, is transferred power on rudder piece.Feed screw nut can be with
The conversion to linear motion by rotary motion is realized, and realizes big gearratio, the cooperation of finger and shift fork part can be by spiral shell
The linear motion of female seat is converted into the rotary motion of rotor.During transmission, nut seat and the Guiding machine on support member
Structure coordinates, and realizes linear motion.Expansion locking device of the present invention, using extension spring as power source, the extension spring is fixed on company
It is connected on the screw rod on rudder piece and rotor, provides expansion power to rudder piece, rotating shaft and middle sliding bearing are connected to rudder piece and turned
On kinetoplast, locking pin assemblies are connected by screw on rudder piece.Be stretched in folded state extension spring, during expansion extension spring pass through screw rod
The expansion of rudder piece is pulled, expansion is locked safetied pin ejection, entered in the locking hole of rotor afterwards in place, realizes locking.
Alternatively, in certain embodiments, steering wheel provided by the invention also includes potentiometer, the potentiometer with described turn
The other end of kinetoplast is connected.
Alternatively, in certain embodiments, the locking pin assemblies include：Lock pin catch, spring and safetied pin.This
The described locking device of invention is fixed on rudder piece, and locking pin is realized as power using spring and ejected.During expansion, locking
Pin passes through the cooperation with skewed slot on rotor, it is possible to achieve retracts, makes locking pin by the elastic force of spring afterwards in place in expansion
Nail is entered in rotor locking hole, realizes locking, this locking mode is simple in construction, reliable lock.
Alternatively, in certain embodiments, the short screw is threadedly secured on the rudder piece, and the long bolt leads to
Cross and be threadedly secured on the rotor, the both ends of the extension spring are separately fixed on the long bolt and the short screw, are
The expansion of the rudder piece provides power.
Alternatively, in certain embodiments, the rotor is provided with guide groove and locking hole, described when rudder piece deploys
Safetied pin contacts realization compression with the guide groove of the rotor, and rudder piece deploys to be ejected into the locking of the rotor afterwards in place
Locking is realized in hole.
Alternatively, in certain embodiments, shift fork part is additionally provided with the rotor, the shift fork part is matched somebody with somebody with described pull pin
Close so as to drive the rotor to move, it is preferable that the rotation of the translation carry turn kinetoplast of finger, the cooperation of finger and shift fork part
The linear motion of nut seat can be converted into the rotary motion of rotor.
The third aspect, present invention also offers a kind of aircraft, the both ends of the aircraft are symmetrically fixed with institute of the present invention
The steering wheel of offer.
Steering wheel provided by the invention is simple in construction, and machinery driving efficiency is high, and drive gap is small, reliable lock.
Brief description of the drawings
Fig. 1 is the expansion positive view according to the steering wheel of one embodiment of the invention；
Fig. 2 is the expansion sectional view according to the steering wheel of one embodiment of the invention；
Fig. 3 is the motor feed screw nut assemble cross-section according to the steering wheel of one embodiment of the invention；
Fig. 4 is the sectional view according to the locking pin assemblies of the steering wheel of one embodiment of the invention.
Identified in figure：
1st, rudder piece, 2, locking pin assemblies, 3, supporter, 4, upper sliding bearing, 5, rotor, 501, guide groove, 502, lock
Tieholen, 503, shifting fork member, 6, middle sliding bearing, 7, rotating shaft, 8, properties of journal bearing lubricated, 9, potentiometer pressing plate, 10, potentiometer, 11, electricity
Machine feed screw nut component, 12, finger, 13, short screw, 14, extension spring, 15, long bolt, 21, locking pin catch, 22, spring, 23,
Safetied pin, 1101, motor, 1102, shaft coupling, 1103, bearing, 1104, leading screw, 1105, feed screw nut, 1106, nut seat,
1107th, end ring, 1108, locking nut.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution so uses can exchange in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
It is according to the motor feed screw nut assemble cross-section of the steering wheel of one embodiment of the invention, specific as shown in Figure 3
Embodiment in, the motor feed screw nut component 11 includes：Motor 1101, shaft coupling 1102, lower bearing 1132, leading screw
1104th, feed screw nut 1105, nut seat 1106, end ring 1107, upper bearing (metal) 1131 and locking nut 1108；The motor
1101 are connected by shaft coupling 1102 with the leading screw 1104, and the power of motor 1101 is transferred on the leading screw 1104；It is described
Leading screw 1104 is connected with the feed screw nut 1105, and the feed screw nut 1105 is connected with the nut seat 1106；The shaft coupling
The end face of device 1102 contacts with the lower bearing 1132 plays a part of to bearings, and the end ring 1107 passes through screw thread
It is connected on the leading screw 1104, precompression is applied to the lower bearing 1132；The locking nut 1108 is connected through a screw thread
On the leading screw 1104, end ring is locked locking.Motor feed screw nut component 11 of the present invention, leading screw both ends lead to
To cross angular contact ball bearing and realize support, shaft coupling 1102 contacts with lower bearing 1132 to be played a part of supporting lower bearing 1132,
End ring 1107 is threadedly attached on leading screw 1104, and upper bearing (metal) 1131 is supported and applies pretightning force, with bearing inner race
Contact, locking nut are threadedly attached on leading screw, play the locking effect to end ring.Two bearings are peace back-to-back
Dress, the adjustment of bearing pre-fastening is realized by end ring, when there is height warm deformation, this mounting means can make bearing
Moment of friction increase it is little.
As shown in Figure 1-2 for one embodiment of the invention steering wheel expansion normal cross-section view and expansion side cross section view institute
Show, steering wheel provided by the invention includes steering wheel transmission mechanism, expansion retaining mechanism and supporter.
Specifically, the transmission mechanism includes motor feed screw nut component 11 provided by the present invention, 12, rotor of pulling pin
5th, rudder piece 1, upper sliding bearing 4 and properties of journal bearing lubricated 8,12 nut seats with the motor feed screw nut component 11 of pulling pin
1106 are connected, and guide groove 501 is provided with the rotor 5, and the rudder piece 1 is arranged in the guide groove 501.It is further excellent
Selection of land, the guide groove 501 of the rotor ensure even transition when coordinating with locking safetied pin 203, occur without the feelings of clamping stagnation
Condition, it is ensured that the surface of guide groove 501 and the surface of safetied pin 203 are smooth.Specifically, the supporter 3 is used to fix the electricity
Machine 1101.It is further preferred that the rudder piece 1 and rotor 5 ensure small―gap suture when coordinating, while to ensure relative between the two
Rubbed during motion small.
Specifically, the expansion retaining mechanism includes locking pin assemblies, middle sliding bearing 6, rotating shaft 7, short screw 13, extension spring
14 and long bolt 15, the rudder piece 1 be connected to by the rotating shaft 7 and middle sliding bearing 6 on the rotor 5, the rudder piece 1
It can be rotated around the rotating shaft 7, the locking pin assemblies are fixed on the rudder piece 1.Preferably, the extension spring 14 meets large deformation
Condition, maximum deformation quantity reach twice of its length, and failure is occurred without in large deformation condition lower spring so as to better ensure that
And plastic deformation.
The transmission mechanism of the steering wheel of the present invention, is power source with motor 1101, leading screw is transferred power to by shaft coupling
On nut 1105, feed screw nut 1105 is transferred power on rotor 5, by the cooperation of rotor 5 and rudder piece 1, by power
It is delivered on rudder piece 1.Feed screw nut 1105 can realize the conversion to linear motion by rotary motion, and realize big transmission
Than finger 12 and shift fork part are engaged the rotary motion that the linear motion of nut seat can be converted into rotor 5.In transmission
During, nut seat coordinates with the guiding mechanism on support member, realizes linear motion.Expansion locking device of the present invention,
It is power source with extension spring 14, the extension spring 14 is fixed on the screw rod being connected on rudder piece 1 and rotor 5, and exhibition is provided to rudder piece 1
Power is started, rotating shaft 7 and middle sliding bearing are connected on rudder piece 1 and rotor 5, and locking pin assemblies are connected by screw in rudder piece 1
On.Be stretched in folded state extension spring, during expansion extension spring 14 pull the expansion of rudder piece 1 by screw rod, expansion locking lock afterwards in place
Tight pin ejection, enters in the locking hole of rotor 5, realizes locking.Nut seat 1106 and supporter 3 fit clearance will
Suitably, the smooth sliding on supporter 3 of nut seat 1106 should be ensured, ensure small―gap suture between the two again.
In the particular embodiment, it is preferable that steering wheel provided by the invention also includes potentiometer, the potentiometer 10 and institute
The other end for stating rotor 5 is connected.
In the particular embodiment, it is preferable that the short screw is threadedly secured on the rudder piece 1, the long spiral shell
Bar is threadedly secured on the rotor 5, and the both ends of the extension spring 14 are separately fixed at the long bolt and the short spiral shell
On bar, the expansion for the rudder piece 1 provides power.
It is illustrated in figure 4 the locking pin assemble cross-section of the steering wheel of one embodiment of the invention.In the particular embodiment,
The locking pin assemblies include：Lock pin catch 201, spring 202 and safetied pin 203.Locking device of the present invention is consolidated
It is scheduled on rudder piece 1, safetied pin 203 is that power realizes ejection with spring 202.During expansion, safetied pin 203 passes through
With the cooperation of skewed slot on rotor 5, it is possible to achieve retract, make safetied pin 203 by the elastic force of spring 202 afterwards in place in expansion
Enter in the locking hole 502 of rotor 5, realize locking, this locking mode is simple in construction, reliable lock.Preferably, described turn
Kinetoplast 5 is provided with guide groove 501 and locking hole 502, and when rudder piece 1 deploys, the safetied pin 203 is led with the rotor 5
Contacted to groove and realize compression, rudder piece 1, which deploys to be ejected into afterwards in place in the locking hole 502 of the rotor 5, realizes locking.
Present invention also offers a kind of aircraft, the both ends of the aircraft are symmetrically fixed with rudder provided by the present invention
Machine.
In the particular embodiment, the steering wheel that band provided by the invention folds rudder piece is the rudder for cartridge type launch craft
Machine mechanism, the expansion locking that rudder can be safe and reliable under transmitting disturbance and aerodynamic interference, longitudinal exhibition are folded when transmitting is from cylinder
Rear reliable lock is opened, steering wheel transmission mechanism can overcome aerodynamic moment, the normal work under airborne vibration interference.Further preferably
Ground, motor 1101 are fixed on supporter 3, are connected by shaft coupling 1102 with leading screw 1104, the power of motor 1101 is transferred to
On leading screw 1104, leading screw 1104 is connected with feed screw nut 1105 and nut seat 1106, nut seat 1106 and the phase interworking of supporter 3
Close, on surface, slip, finger 12 and nut seat 1106 are connected, and finger 12 is engaged with the shift fork part on rotor 5, finger 12
The rotation of translation carry turn kinetoplast 5, the both ends of rotor 5 are connected with rudder piece 1 and potentiometer 10, realize synchronous axial system.
Beneficial effects of the present invention：
First, the transmission mechanism of steering wheel of the present invention, using motor as power source, silk is transferred power to by shaft coupling
On thick stick nut, feed screw nut is transferred power on rotor, by the cooperation of rotor and rudder piece, transfers power to rudder piece
On.Feed screw nut realizes the conversion to linear motion by rotary motion, and realizes big gearratio, and finger and shift fork part match
Close the rotary motion that the linear motion of nut seat is converted into rotor.During transmission, on nut seat and support member
Guiding mechanism coordinates, and realizes linear motion.
2nd, motor feed screw nut component of the present invention, leading screw both ends are realized by angular contact ball bearing and supported, close
The bearing of motor side is threadedly attached on leading screw by the use of shaft coupling as end ring, end ring, is contacted with bearing inner race,
Locking nut is threadedly attached on leading screw, plays the locking effect to end ring.Upper bearing (metal) and lower bearing are back-to-back
Installation, the adjustment of bearing pre-fastening is realized by end ring, when there is height warm deformation, this mounting means can make axle
The moment of friction increase held is little.
3rd, expansion locking device of the present invention, using extension spring as power source, extension spring, which is fixed on, is connected to rudder piece and rotation
On screw rod on body, expansion power is provided to rudder piece, rotating shaft and middle sliding bearing are connected on rudder piece and rotor, lock pin bank
Part is connected by screw on rudder piece.Be stretched in folded state extension spring, during expansion extension spring the expansion of rudder piece is pulled by screw rod,
Safetied pin ejection is locked in expansion afterwards in place, is entered in the locking hole (as indicated at 502) of rotor, realizes locking.
4th, locking device of the present invention is fixed in multi-disc, and locking pin is realized as power using spring and ejected.Deploying
During, safetied pin passes through the cooperation (as illustrated in 501) with guide groove on rotor, it is possible to achieve retracts, is being deployed into
Locking pin is entered in rotor locking hole by the elastic force of spring behind position, realize locking, this locking mode is simple in construction,
Reliable lock.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
A kind of laser provided by the present invention is described in detail from detection monitoring device is mixed above, for ability
The those skilled in the art in domain, according to the thought of the embodiment of the present invention, change is had in specific embodiments and applications
Part, in summary, this specification content should not be construed as limiting the invention.
Claims (9)
- A kind of 1. motor feed screw nut component, it is characterised in that including：Motor, shaft coupling, lower bearing, leading screw, feed screw nut, Nut seat, end ring, upper bearing (metal) and locking nut；The motor is connected by shaft coupling with the leading screw, by motor power It is transferred on the leading screw；The leading screw is connected with the feed screw nut, and the feed screw nut is connected with the nut seat；It is described Shaft coupling contacts with lower bearing, plays a part of supporting lower bearing；The end ring is threadedly attached in the leading screw On, pretightning force is applied to bearing；The locking nut is threadedly attached on the leading screw, end ring is locked locking.
- 2. motor feed screw nut component according to claim 1, it is characterised in that the upper bearing (metal) and the lower bearing back of the body Backrest is installed, and the adjustment of upper bearing (metal) and lower bearing pretightning force is realized by end ring；The both ends of the leading screw pass through angular contact Bearing realizes support.
- A kind of 3. steering wheel, it is characterised in that including：Transmission mechanism, the transmission mechanism include motor feed screw nut component as claimed in claim 1 or 2, pull pin, rotate Body, rudder piece, upper sliding bearing and properties of journal bearing lubricated, the transmission mechanism, will be dynamic by shaft coupling using the motor as power source Power is delivered to the feed screw nut, and feed screw nut transfers power to the rotor, described to pull pin and the motor leading screw spiral shell The nut seat of female component is connected, and guide groove is provided with the rotor, and the rudder piece is arranged in the guide groove；Deploy retaining mechanism, it is described expansion retaining mechanism include locking pin assemblies, middle sliding bearing, rotating shaft, short screw, extension spring and Long bolt, using the extension spring as power source, the rudder piece is connected the expansion retaining mechanism by the rotating shaft and middle sliding bearing It is connected on the rotor, the rudder piece can be fixed on the rudder piece around the axis of rotation, the locking pin assemblies；AndSupporter, the supporter are used to fix the motor.
- 4. steering wheel according to claim 3, it is characterised in that also including potentiometer, the potentiometer and the rotor The other end be connected.
- 5. steering wheel according to claim 3, it is characterised in that the locking pin assemblies include：Lock pin catch, spring and Safetied pin.
- 6. steering wheel according to claim 3, it is characterised in that the short screw is threadedly secured on the rudder piece, The long bolt is threadedly secured on the rotor, and the both ends of the extension spring are separately fixed at the long bolt and described On short screw, the expansion for the rudder piece provides power.
- 7. steering wheel according to claim 3, it is characterised in that the rotor is provided with guide groove and locking hole；Rudder piece During expansion, the safetied pin contacts realization compression with the guide groove of the rotor；The expansion of rudder piece is ejected into described afterwards in place Locking is realized in the locking hole of rotor.
- 8. steering wheel according to claim 3, it is characterised in that shift fork part, the shift fork part are additionally provided with the rotor Cooperation is pulled pin so as to drive the rotor to move with described.
- 9. a kind of aircraft, it is characterised in that the both ends of the aircraft are symmetrically fixed with as described in claim any one of 3-8 Steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917179.0A CN107792346B (en) | 2017-09-30 | 2017-09-30 | Motor lead screw nut assembly, steering engine and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917179.0A CN107792346B (en) | 2017-09-30 | 2017-09-30 | Motor lead screw nut assembly, steering engine and aircraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107792346A true CN107792346A (en) | 2018-03-13 |
| CN107792346B CN107792346B (en) | 2020-04-10 |
Family
ID=61533795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710917179.0A Active CN107792346B (en) | 2017-09-30 | 2017-09-30 | Motor lead screw nut assembly, steering engine and aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107792346B (en) |
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| CN110260777A (en) * | 2019-07-05 | 2019-09-20 | 贵州航天控制技术有限公司 | A kind of embedded rudder face corner measuring apparatus |
| CN110953313A (en) * | 2019-11-15 | 2020-04-03 | 北京机械设备研究所 | Actuating mechanism of heavy-load anti-locking electric steering engine |
| WO2020125815A1 (en) * | 2018-12-18 | 2020-06-25 | 上海航天控制技术研究所 | Space attachment claw transmission apparatus having two degrees of freedom decoupling |
| CN114562918A (en) * | 2022-03-25 | 2022-05-31 | 西安雷神防务技术有限公司 | Miniature electric folding steering engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110260777A (en) * | 2019-07-05 | 2019-09-20 | 贵州航天控制技术有限公司 | A kind of embedded rudder face corner measuring apparatus |
| CN110953313A (en) * | 2019-11-15 | 2020-04-03 | 北京机械设备研究所 | Actuating mechanism of heavy-load anti-locking electric steering engine |
| CN110953313B (en) * | 2019-11-15 | 2021-11-02 | 北京机械设备研究所 | Actuating mechanism of heavy-load anti-locking electric steering engine |
| CN114562918A (en) * | 2022-03-25 | 2022-05-31 | 西安雷神防务技术有限公司 | Miniature electric folding steering engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107792346B (en) | 2020-04-10 |
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