CN209294325U - A kind of integration active vibration isolation actuator - Google Patents
A kind of integration active vibration isolation actuator Download PDFInfo
- Publication number
- CN209294325U CN209294325U CN201821790005.9U CN201821790005U CN209294325U CN 209294325 U CN209294325 U CN 209294325U CN 201821790005 U CN201821790005 U CN 201821790005U CN 209294325 U CN209294325 U CN 209294325U
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- output shaft
- motor
- sleeve
- shell
- transmission mechanism
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Abstract
The utility model relates to a kind of integrated active vibration isolation actuator, belong to vibration reduction of ship noise reduction technology field.The actuator is mainly made of shell, rotary servo motor, transmission mechanism, output shaft and output shaft sleeve, rotary servo motor and transmission mechanism installation are inside housings, transmission mechanism respectively with rotary servo motor, output axis connection, rotary servo motor drives output shaft by transmission mechanism, its rotary motion is limited under the spline fitted of output shaft and output shaft sleeve, then output shaft is only for linear motion.The utility model makes full use of the high precision closed loop of rotary servo motor to control, solve the problems, such as that linear motor power output is unstable and nonlinear, and its rotary motion is converted under transmission mechanism cooperation the linear motion of driven wheel and output shaft, structure is simple, it is at low cost can, to the adaptable of different applying working conditions.
Description
Technical field
The utility model relates to a kind of integrated active vibration isolation actuator, belong to vibration reduction of ship noise reduction technology field.
Background technique
Vibration and noise reducing on ship causes the Important Problems of more and more attention and urgent need to resolve in recent years.It is right
In above water craft, vibration and noise reducing is conducive to improve equipment job security on ship, reduces airborne noise in cabin；For underwater
Ship, vibration and noise reducing and Sound stealth performance are closely bound up.Nuisance vibration on ship include mechanical equipment vibration, fluid oscillation,
Ship hull vibration caused by hydrodynamic force etc., wherein the vibration of ship power plant accounts for very big specific gravity.
In vibration reduction of ship noise reduction technology field, in order to reduce the vibration bring harm of dynamic power machine, at present frequently with
Technological means is that the vibration of mechanical equipment is reduced by the elastic passive vibration isolation technology such as buoyant raft, double-layer vibration isolating, single-layer partiting polarization to ship
Body transmits and then reduces acoustic radiation level.However the defect that there is this passive vibration isolation system it can not overcome: in certain
The strong feature line spectrum of low frequency, vibration isolating effect are bad；And passive vibration isolation system is to determine that vibration and boundary condition are set based on certain
Meter, when external condition variation, adaptability is not strong.
The principle of active vibration isolation arrangement is according to collected external vibration system, by applying and external vibration reverse phase
Exciting force make vibration transmitting decaying, more adaptable compared to passive vibration isolation device, intelligence degree is higher, as passively every
The supplement of vibrating device, fine can must control in the strong feature line spectrum of low frequency.The core of active vibration isolation arrangement is one group of actuator, can root
According to needing to be driven using pressure-air, hydraulic oil, motor etc..Compared to gas source and hydraulic power source, motor not only structure
Simply, auxiliary device is few, and controls accurately, therefore be widely used in active vibration isolation field.Linear motor as principle most
Simple executing agency, mover causes air-gap field to be unevenly distributed compared to stator reciprocating motion when due to work, executes Reeb
It moves larger.Rotary electromotor need to cooperate the drive mechanism for converting rotary motion to linear motion, frequently with bolt and nut, rolling
Ballscrew etc., structure is complicated, and space is not compact, and integration is not strong.
Utility model content
For at present using defect existing for the actuator of motor drive, the utility model provides a kind of integration active
Vibration-isolating actuator makes full use of the high precision closed loop of rotary servo motor to control, and it is unstable to solve linear motor power output
And nonlinear problem, rotary driving force is generated into unit and straight line and is used as power conversion unit integrated design, structure is simple, collection
Become second nature height, to the adaptable of different applying working conditions.
The purpose of this utility model is achieved through the following technical solutions.
A kind of integration active vibration isolation actuator, the actuator include shell, rotary servo motor, transmission mechanism,
Output shaft, spring and output shaft sleeve；
Enclosure interior is convex shape cavity, and minor diameter cavity one end is machined with centre bore；It is machined with outside rectangle on output shaft
Spline is machined with rectangle internal spline in output shaft sleeve；
Inside housings in major diameter cavity, transmission mechanism installs minor diameter inside housings for rotary servo motor installation
In cavity, transmission mechanism is connect with rotary servo motor；Output shaft passes through the centre bore of shell minor diameter cavity one end, one end
It is connect with drive mechanism, the other end is located at hull outside；Spring one end and the contacted inner surfaces of shell minor diameter cavity one end touch,
The other end and the output shaft end face being located on transmission mechanism are inconsistent；Output shaft sleeve is mounted on shell minor diameter cavity one end
In centre bore, is cooperated by rectangular spline and output shaft, rotary servo motor is made to pass to output shaft by transmission mechanism
Rotary motion is limited, only for linear motion.
Further, the transmission mechanism includes driving wheel, transmission sphere and driven wheel；
Through roller bearings on the inner wall of shell minor diameter cavity, driven wheel is supported driving wheel by sliding bearing
On the inner wall of shell minor diameter cavity, driving wheel is cooperated by transmission sphere and driven wheel, driving wheel and rotary servo electricity
Machine connection, driven wheel are connected with exporting axis；The contacted inner surfaces of spring one end and shell minor diameter cavity one end touch, the other end with
Output shaft end face on driven wheel is inconsistent.
Further, it is machined with space groove respectively on the end face that driving wheel and driven wheel are contacted with transmission sphere, it can
Roll transmission sphere freely wherein, and normal direction of the space groove on driving wheel with the space groove on driven wheel in end face
It is complementary on direction.And the space groove on driving wheel and driven wheel end face can be designed as needed, to make motor
Rotation in rotor one week can be converted into the linear reciprocating motion of output shaft for several times.
Further, the rotary servo motor include motor shaft, motor shaft end cap, motor shaft sleeve, rotor,
Motor stator and rotor sleeve；
Shell major diameter cavity one end and motor shaft end cover and are machined with centre bore respectively；Rotor and rotor set
Rectangular spline is machined on cylinder respectively；
Motor shaft sleeve is mounted in the centre bore of shell major diameter cavity one end, motor shaft end cap be located at hull outside
Motor shaft sleeve one end connection；Motor shaft is located inside motor shaft sleeve and rotor sleeve, and passes through rolling bearing branch respectively
It supports on motor shaft sleeve and rotor sleeve, the centre bore clearance fit that one end and the motor shaft end of motor shaft cover；Motor
Rotor and rotor sleeve are keyed, and motor stator is mounted on the inner wall of shell major diameter cavity, one end of rotor sleeve and master
Driving wheel connection.
Further, for the ease of by rotor, rotor sleeve and driving wheel integrated design, described is rotatably watched
Taking motor may be designed as on the rotors such as switch magnetic flow motor, switched reluctance machines without winding electric machine.
Beneficial effect
It (1), can be using the high speed and high-precision of rotary servo motor using rotary servo motor as power source
Output frequency is variable when active vibration isolation controls, amplitude stability is used as power；
(2) driving wheel, driven wheel and drive ball body mechanism are designed and converts linear motion, structure letter for rotary motion
It is single, it is at low cost；In addition, the space groove on driving wheel and driven wheel end face can be designed as needed, make rotor
Rotation in one week can be converted into the linear reciprocating motion of output shaft for several times.
(3) rotor is designed as hollow structure, while using rotor sleeve and driving wheel integrated design, structure is tight
It gathers, space utilization rate is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integrated active vibration isolation actuator described in the utility model.
Wherein, 1- motor shaft, 2- motor shaft end cap, 3- motor shaft sleeve, 4- actuator end cap I, the first positioning sleeve of 5-, 6-
Actuator side shell I, 7- rotor, 8- motor stator, 9- rotor sleeve, the second positioning sleeve of 10-, 11- actuator end cap II,
12- driving wheel, 13- third positioning sleeve, 14- actuator side shell II, 15- driven wheel, the 4th positioning sleeve of 16-, 17- actuator end cap
III, 18- spring, 19- output shaft sleeve, 20- output shaft, 21- are driven sphere, the 5th positioning sleeve of 22-, the 6th positioning sleeve of 23-.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawings and detailed description.
Embodiment 1
A kind of integration active vibration isolation actuator, the actuator includes actuator end cap I 4, actuator side shell I 6, actuation
Device end cap II 11, actuator side shell II 14, actuator end cap III 17, rotary servo motor, transmission mechanism, output shaft 20, bullet
Spring 18 and output shaft sleeve 19；
Centre bore is machined on the actuator end cap I 4；
Centre bore is machined on the actuator end cap III 17；
Rectangle external splines is machined on the output shaft 20, be machined in output shaft sleeve 19 on output shaft 20 outside rectangle
The rectangle internal spline of spline fitted；
The transmission mechanism includes driving wheel 12, transmission sphere 21 and driven wheel 15；Driving wheel 12 and driven wheel 15 with
It is machined with space groove respectively on the end face that transmission sphere 21 contacts, which along the circumferential direction changes, and can make to pass
Dynamic sphere 21 freely rolls wherein, and the space groove on driving wheel 12 and the space groove on driven wheel 15 are in end face
It is complementary in normal orientation, and the space groove on 15 end face of driving wheel 12 and driven wheel can be designed as needed, from
And make rotation in rotor 7 one weeks that can be converted into the linear reciprocating motion of output shaft 20 for several times；
The rotary servo motor includes motor shaft 1, motor shaft end cap 2, motor shaft sleeve 3, rotor 7, motor
Stator 8 and rotor sleeve 9；Wherein, it is machined with centre bore on motor shaft end cap 2, distinguishes on rotor 7 and rotor sleeve 9
It is machined with rectangular spline；
As shown in Figure 1, the assembly relation between each component of actuator is as follows:
Shell I 6 one end in actuator side is connect with actuator end cap I 4, and the other end is connect with actuator end cap II 11；Actuator
Shell II 14 one end in side is connect with actuator end cap II 11, and the other end is connect with actuator end cap III 17；Actuator end cap I 4, actuation
Device side shell I 6, actuator end cap II 11, actuator side shell II 14 and actuator end cap III 17 form the shell of the actuator,
And the inside of shell forms a convex shape cavity；Rotary servo motor is installed in major diameter cavity inside housings, motor
Shaft sleeve 3 is mounted in the centre bore on actuator end cap I 4, motor shaft end cap 2 and the motor shaft sleeve 3 for being located at hull outside
One end connection；Motor shaft 1 is located inside motor shaft sleeve 3 and rotor sleeve 9, and by a roller bearings in motor shaft
On sleeve 3 and by two roller bearings on rotor sleeve 9, and pass through the 5th positioning sleeve 22 and the 6th positioning sleeve 23
Three rolling bearings are positioned, one end of motor shaft 1 and the centre bore clearance fit on motor shaft end cap 2；Rotor 7
It is keyed with rotor sleeve 9, motor stator 8 is mounted on actuator side shell I 6, and passes through the first positioning sleeve 5 and the second positioning sleeve
10 pairs of motor stators 8 position, and rotor 7 and 8 clearance fit of motor stator；Transmission mechanism installs minor diameter inside housings
In cavity, through roller bearings on actuator side shell II 14, driven wheel 15 is supported on driving wheel 12 by sliding bearing
On actuator side shell II 14, and sliding bearing is positioned by third positioning sleeve 13 and the 4th positioning sleeve 16, driving wheel 12
Cooperated by transmission sphere 21 and driven wheel 15；Output shaft 20 passes through the centre bore of actuator end cap III 17, one end and driven wheel
15 connections, the other end are located at hull outside；18 one end of spring and III 17 contacted inner surfaces of actuator end cap touch, the other end be located at
20 end face of output shaft on driven wheel 15 is inconsistent；Output shaft sleeve 19 is mounted in the centre bore of actuator end cap III 17, is led to
It crosses rectangular spline and output shaft 20 cooperates；Driving wheel 12 is connect with one end of rotor sleeve 9, driving wheel 12 and rotor sleeve 9
Integrated design makes the rotary motion of rotor 7 pass to output shaft by driving wheel 12 and transmission sphere 21 and driven wheel 15
20, due to the rectangular spline cooperation limitation output shaft 20 and connected to it driven between output shaft 20 and output shaft sleeve 19
The rotary motion of wheel 15, keeps output shaft 20 and driven wheel 15 only for linear motion, i.e. the rotary motion of rotor 7 passes through master
Driving wheel 12 and transmission sphere 21 act on driven wheel 15, are converted into the straight reciprocating motion of driven wheel 5 and output shaft 20.
In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model
Protection scope.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap
Containing being within the protection scope of the utility model.
Claims (5)
1. a kind of integration active vibration isolation actuator, it is characterised in that: the actuator include shell, rotary servo motor,
Transmission mechanism, output shaft (20), spring (18) and output shaft sleeve (19)；
Enclosure interior is convex shape cavity, and minor diameter cavity one end is machined with centre bore；Output shaft is machined with outside rectangle on (20)
Spline, output shaft sleeve are machined with rectangle internal spline on (19)；
Inside housings in major diameter cavity, transmission mechanism installs minor diameter cavity inside housings for rotary servo motor installation
In, transmission mechanism is connect with rotary servo motor；Output shaft (20) passes through the centre bore of shell minor diameter cavity one end, one end
It is connect with drive mechanism, the other end is located at hull outside；The inner surface phase of spring (18) one end and shell minor diameter cavity one end
It contradicts, the other end and output shaft (20) end face being located on transmission mechanism are inconsistent；It is small that output shaft sleeve (19) is mounted on shell
In the centre bore of diameter cavity one end, is cooperated by rectangular spline and output shaft (20), rotary servo motor is made to pass through transmission
The rotary motion that mechanism passes to output shaft (20) is limited, only for linear motion.
2. a kind of integrated active vibration isolation actuator according to claim 1, it is characterised in that: the transmission mechanism includes
Driving wheel (12), transmission sphere (21) and driven wheel (15)；
For driving wheel (12) through roller bearings on the inner wall of shell minor diameter cavity, driven wheel (15) passes through sliding bearing
It being supported on the inner wall of shell minor diameter cavity, driving wheel (12) one end is cooperated by transmission sphere (21) and driven wheel (15),
Driving wheel (12) other end is connect with rotary servo motor, and driven wheel (15) is connect with output shaft (20)；Spring (18) one end
It is touched with the contacted inner surfaces of shell minor diameter cavity one end, the other end and output shaft (20) end face phase being located on driven wheel (15)
It contradicts.
3. a kind of integrated active vibration isolation actuator according to claim 2, it is characterised in that: driving wheel (12) and from
It is machined with space groove, and the space groove on driving wheel (12) respectively on the end face that driving wheel (15) is contacted with transmission sphere (21)
It is complementary in the normal orientation of end face with the space groove on driven wheel (15).
4. a kind of integrated active vibration isolation actuator according to claim 1, it is characterised in that: the rotary servo electricity
Machine includes motor shaft (1), motor shaft end cap (2), motor shaft sleeve (3), rotor (7), motor stator (8) and rotor sleeve
(9)；
It is machined with centre bore respectively on shell major diameter cavity one end and motor shaft end cap (2)；Rotor (7) and rotor
Sleeve is machined with rectangular spline on (9) respectively；
Motor shaft sleeve (3) is mounted in the centre bore of shell major diameter cavity one end, motor shaft end cap (2) be located at shell outside
Motor shaft sleeve (3) one end in portion connects；Motor shaft (1) is located at motor shaft sleeve (3) and rotor sleeve (9) is internal, and respectively
Through roller bearings on motor shaft sleeve (3) and rotor sleeve (9), one end of motor shaft (1) and motor shaft end cap
(2) the centre bore clearance fit on；Rotor (7) and rotor sleeve (9) are keyed, and it is big that motor stator (8) is mounted on shell
On the inner wall of diameter cavity, one end of rotor sleeve (9) is connect with transmission mechanism.
5. a kind of integrated active vibration isolation actuator according to claim 4, it is characterised in that: the rotary servo
Motor is switch magnetic flow motor or switched reluctance machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790005.9U CN209294325U (en) | 2018-10-30 | 2018-10-30 | A kind of integration active vibration isolation actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790005.9U CN209294325U (en) | 2018-10-30 | 2018-10-30 | A kind of integration active vibration isolation actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294325U true CN209294325U (en) | 2019-08-23 |
Family
ID=67647480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821790005.9U Expired - Fee Related CN209294325U (en) | 2018-10-30 | 2018-10-30 | A kind of integration active vibration isolation actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268442A (en) * | 2018-10-30 | 2019-01-25 | 中国船舶重工集团公司第七〇九研究所 | A kind of integration active vibration isolation actuator |
| CN112769283A (en) * | 2020-12-31 | 2021-05-07 | 无锡灵德自动化科技有限公司 | Integrated electric actuator |
-
2018
- 2018-10-30 CN CN201821790005.9U patent/CN209294325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268442A (en) * | 2018-10-30 | 2019-01-25 | 中国船舶重工集团公司第七〇九研究所 | A kind of integration active vibration isolation actuator |
| CN109268442B (en) * | 2018-10-30 | 2024-06-18 | 中国船舶重工集团公司第七一九研究所 | Integrated active vibration isolation actuator |
| CN112769283A (en) * | 2020-12-31 | 2021-05-07 | 无锡灵德自动化科技有限公司 | Integrated electric actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |