CN117294069A - High-rotation-speed motor servo device - Google Patents
High-rotation-speed motor servo device Download PDFInfo
- Publication number
- CN117294069A CN117294069A CN202311220525.1A CN202311220525A CN117294069A CN 117294069 A CN117294069 A CN 117294069A CN 202311220525 A CN202311220525 A CN 202311220525A CN 117294069 A CN117294069 A CN 117294069A
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- CN
- China
- Prior art keywords
- rocker arm
- screw
- rotating shaft
- gear
- speed motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000020347 spindle assembly Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Abstract
The invention relates to the technical field of servo control, in particular to a high-rotation-speed motor servo device. The high-speed motor servo device includes: the rocker arm assembly comprises a rocker arm assembly and a rotating shaft assembly, wherein the rocker arm assembly comprises a rocker arm assembly and a rotating shaft assembly; the rocker arm assembly comprises a first connecting rod and a rocker arm, the first connecting rod is fixedly connected with a screw nut, and the first connecting rod is rotationally connected with the rocker arm; the rotating shaft assembly comprises a rotating shaft, the rocker arm is sleeved on the outer circle of the rotating shaft, and the rocker arm is fixedly connected with the rotating shaft; the screw axis and the rotating shaft axis are arranged vertically, the design allowance of the device is large, the phenomenon of jamming can not occur in the transmission process, the transmission efficiency of the whole device is improved, and the reliability of the device is enhanced; meanwhile, the device mainly faces to an electric servo mechanism, the load capacity of the device is above 100N.m, the device cannot deform after the device is applied under multiple load conditions, the structural strength is high, the performance is stable, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of servo control, in particular to a high-rotation-speed motor servo device.
Background
In various fields of weapon equipment, aerospace, ship systems and the like, along with continuous development and progress of various electric equipment, full power is one of the development trends, and development of an electric servo mechanism also has subverted progress in precision and efficiency.
With the development of the electric servo system, various servo mechanisms are layered endlessly at present, but various defects such as low speed control precision, low load capacity, low transmission precision, low structural strength, poor manufacturing manufacturability and the like exist, and in order to solve the defects of the conventional device, a high-rotation-speed motor servo device is designed.
Disclosure of Invention
In order to solve the above problems, the present invention provides a high-rotation-speed motor servo apparatus including: the device comprises a screw rod assembly, a rocker arm assembly and a rotating shaft assembly, wherein the screw rod assembly comprises a screw rod and a screw rod nut, and the screw rod is in threaded connection with the screw rod nut; the rocker arm assembly comprises a first connecting rod and a rocker arm, the first connecting rod is fixedly connected with the screw nut, and the first connecting rod is rotationally connected with the rocker arm; the rotating shaft assembly comprises a rotating shaft, the rocker arm is sleeved on the outer circle of the rotating shaft, and the rocker arm is fixedly connected with the rotating shaft; the screw shaft axis and the rotating shaft axis are arranged vertically in space.
In some embodiments, the screw assembly further comprises a screw gear and a third bearing, the screw gear and the screw left end are fixedly connected, and the third bearing is arranged between the screw gear and the screw nut.
In some embodiments, the rocker arm assembly comprises a second connecting rod, the rocker arm comprises a first lug and a second lug, the first lug and the second lug are symmetrically arranged up and down along the axial direction of the rotating shaft, the first connecting rod is rotationally connected with the first lug, the second connecting rod is rotationally connected with the second lug, and the second connecting rod is fixedly connected with the screw nut.
In some embodiments, the spindle assembly includes a third locating pin, the spindle is provided with a first locating hole perpendicular to the spindle axis, the rocker arm is provided with a second locating hole perpendicular to the spindle axis, and the third locating pin is mounted in the first locating hole and the second locating hole.
In some embodiments, one end of the rotating shaft is provided with a square mounting hole.
In some embodiments, the high speed motor servo further comprises: the gear assembly comprises a transmission gear, the motor assembly comprises a motor shaft and a motor gear, the motor gear is fixedly connected with the motor shaft, the motor gear is meshed with the transmission gear, and the transmission gear is meshed with the screw gear.
In some embodiments, the motor gear outer end face is coaxially disposed with a first bearing and the drive gear outer end face is coaxially disposed with a second bearing.
In order to solve the problems of high cost, low power quality ratio, low precision, small stroke, low rigidity and poor reliability of the motor servo device in the existing aerospace product, the invention provides a high-rotation-speed motor servo device which comprises: the rocker arm assembly comprises a rocker arm assembly and a rotating shaft assembly, wherein the rocker arm assembly comprises a rocker arm assembly and a rotating shaft assembly; the rocker arm assembly comprises a first connecting rod and a rocker arm, the first connecting rod is fixedly connected with a screw nut, and the first connecting rod is rotationally connected with the rocker arm; the rotating shaft assembly comprises a rotating shaft, the rocker arm is sleeved on the outer circle of the rotating shaft, and the rocker arm is fixedly connected with the rotating shaft; the screw axis and the axis of the rotating shaft are vertically arranged in space, a high-rotation-speed motor is adopted as a power source, the rocker arm is driven by the connecting rod in a transmission mode of the screw, the rocker arm rotates around the rotating shaft by a certain angle, and the accurate control of the rocker arm is realized, so that the aim of accurate guidance is fulfilled, and the invention has the following advantages: the device has large design allowance, the phenomenon of blocking does not occur in the transmission process, the transmission efficiency of the whole device is improved, and the reliability of the device is enhanced; meanwhile, the device mainly faces to an electric servo mechanism, the load capacity of the device is above 100N.m, the device cannot deform after the device is applied under multiple load conditions, the structural strength is high, the performance is stable, and the reliability is high.
Drawings
FIG. 1 shows a perspective view of a high speed motor servo;
FIG. 2 illustrates a perspective view of a motor assembly of a high speed motor servo;
FIG. 3 shows a partial schematic view of a high-speed motor servo;
FIG. 4 shows a partial schematic view of another high speed motor servo;
fig. 5 shows a perspective view of a screw assembly of a high-speed motor servo.
Reference numeral name: the motor assembly comprises a motor assembly, a motor shaft 11, a motor gear 12, a first bearing 13, a motor 14, a motor fixing screw 141, a gear assembly 02, a transmission gear 21, a second bearing 22, a screw assembly 03, a screw 31, a screw nut 32, a screw gear 33, a screw gear nut 331, a third bearing 34, a rocker arm assembly 04, a first connecting rod 41, a rocker arm 42, a first lug 421, a second lug 422, a second locating hole 423, a second connecting rod 43, a first fixed pin 431, a shaft sleeve 4311, a second fixed pin 432, a rotating shaft assembly 05, a rotating shaft 51, a square mounting hole 512, a third locating pin 52 and a third locating pin 521.
Detailed Description
The disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those of ordinary skill in the art to better understand and thus practice the present disclosure, and are not meant to imply any limitation on the scope of the present disclosure.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment. The term "another embodiment" is to be interpreted as "at least one other embodiment". The terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "transverse", "longitudinal", etc. refer to an orientation or positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate. Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The present embodiment discloses a high-speed motor servo device, as shown in fig. 1, 4 and 5, comprising: the screw rod assembly 03, the rocker arm assembly 04 and the rotating shaft assembly 05, wherein the screw rod assembly 03 comprises a screw rod 31 and a screw rod nut 32, and the screw rod 31 is in threaded connection with the screw rod nut 32; the rocker arm assembly 04 comprises a first connecting rod 41 and a rocker arm 42, wherein the first connecting rod 41 is fixedly connected with the screw nut 32, and the first connecting rod 41 is rotationally connected with the rocker arm 42; the rotating shaft assembly 05 comprises a rotating shaft 51, a rocker arm 42 is sleeved on the outer circle of the rotating shaft 51, and the rocker arm 42 is fixedly connected with the rotating shaft 51; the axis of the screw 31 and the axis of the rotating shaft 51 are arranged vertically.
In this embodiment, the driving mode of the screw rod 31 is adopted, the rocker arm 42 is driven by the connecting rod, so that the rocker arm 42 rotates around the rotating shaft 51 by a certain angle, and the precise control of the rocker arm 42 is realized, thereby achieving the purpose of precise guidance.
In the embodiment, a ball screw transmission mode is adopted, so that the transmission efficiency is high, and the transmission is reliable.
In the embodiment, the rocker arm 42 of the rotating shaft 51 is reliably connected, the load capacity of the whole device is more than 100N.m, and the load is large; after the load works for many times, the whole device cannot deform, and the structural strength is high.
In the embodiment, the modularized design is compact and reasonable in structure, and accords with the development concept of integration and modularization.
In some embodiments, as shown in fig. 1 and 5, the screw assembly 03 further includes a screw gear 33 and a third bearing 34, where the screw gear 33 is fixedly connected to the left end of the screw 31, and the third bearing 34 is disposed between the screw gear 33 and the screw nut 32.
In this embodiment, the screw gear 33 is fixedly connected with the left end of the screw 31, and the screw gear 33 drives the screw 31 to rotate relative to the screw nut 32, so that the screw nut 32 moves on the screw 31, and the rocker arm 42 is controlled to rotate.
In the present embodiment, the support of the screw 31 and the smoother rotation of the screw 31 are achieved by the third bearing 34.
In the present embodiment, the side of the lead screw gear 33 is fixed by the lead screw gear nut 331, preventing the lead screw gear 33 from falling off.
In some embodiments, as shown in fig. 1, 3 and 4, the rocker arm assembly 04 includes a second link 43, the rocker arm 42 includes a first lug 421 and a second lug 422, the first lug 421 and the second lug 422 are symmetrically disposed up and down along an axial direction of the rotating shaft 51, the first link 41 and the first lug 421 are rotationally connected, the second link 43 and the second lug 422 are rotationally connected, and the second link 43 and the lead screw nut 32 are fixedly connected.
In this embodiment, the connecting rods are connected with the lugs of the rocker arm 42 by the connecting rods which are arranged vertically symmetrically, so that on one hand, the reliability of the transmission of the connecting rods is improved by the double connecting rods, and on the other hand, the stress of the connecting rods and the screw nuts 32 is balanced by the vertically symmetrical arrangement, so that the structural load is increased.
In the present embodiment, the lead screw nut 32 and the second link 43 are connected through the first fixed pin 431 and the shaft sleeve 4311 in the middle; the second link 43 and the rocker arm 42 are connected by a second fixed pin 432.
In this embodiment, the setting of lug makes things convenient for the connecting rod to connect, realizes simple to operate.
In some embodiments, as shown in fig. 1, 3 and 4, the rotation shaft assembly 05 includes a third positioning pin 52, the rotation shaft 51 is provided with a first positioning hole (not shown) perpendicular to the axis of the rotation shaft 51, the swing arm 42 is provided with a second positioning hole 423 perpendicular to the axis of the rotation shaft 51, and the third positioning pin 52 is installed in the first and second positioning holes 423.
In this embodiment, the third positioning pin 52 is used to fixedly connect the rotating shaft 51 and the rocker arm 42, so that the fixed connection effect is good and the disassembly is convenient.
In the present embodiment, the rocker arm 42 is fixedly connected with the rotating shaft 51 through the third positioning pin 52 and the third positioning pin nut 521, so that the connection is reliable and the precision is high.
In some embodiments, as shown in fig. 4, one end of the rotating shaft 51 is provided with a square mounting hole 512.
In this embodiment, the square mounting hole 512 is connected with the rudder, and when the square mounting hole 512 of the rotating shaft 51 is mounted on the matched square mounting protrusion, the connection of the rotating shaft 51 is simple in structure, firm in connection and convenient to detach, and meanwhile, the square mounting hole 512 plays a role in positioning during mounting.
In some embodiments, as shown in fig. 1 and 2, the high-speed motor servo further includes: the gear assembly 02 and the motor assembly 01, the gear assembly 02 includes the transmission gear 21, the motor assembly 01 includes motor shaft 11 and motor gear 12, motor gear 12 and motor shaft 11 fixed connection, motor gear 12 and transmission gear 21 meshing, transmission gear 21 and lead screw gear 33 meshing.
In the embodiment, the motor shaft 11 rotates to drive the motor gear 12, the motor gear 12 is meshed with the transmission gear 21 to drive the transmission gear 21 to rotate, the transmission gear 21 is meshed with the lead screw gear 33 to drive the lead screw gear 33 to rotate, and the lead screw gear 33 drives the lead screw 31 to rotate to realize the movement of the lead screw nut 32.
In this embodiment, the motor assembly 01 further includes a motor 14, and the high-speed motor 14 can realize high-speed control (i.e. have higher bandwidth) of the output shaft of the whole servo mechanism, and the motor 14 has strong universality and can be used on the same type of products. The motor 14 is fixed by the motor fixing screw 141, and the motor 14 is prevented from shaking during operation.
In some embodiments, as shown in fig. 1, the outer end surface of the motor gear 12 is coaxially provided with a first bearing 13, and the outer end surface of the transmission gear 21 is coaxially provided with a second bearing 22.
In the present embodiment, the support of the motor gear 12 and the transmission gear 21 and the smoother rotation of the motor gear 12 and the transmission gear 21 are achieved by the bearings.
In this embodiment, the high-speed motor servo device further includes a housing (not shown) not limited to a specific structure, and may be optionally adjusted as required to protect other components.
In this embodiment, the motor shaft 11 of the motor 14 rotates to drive the motor gear 12 to rotate, the lead screw gear 33 is driven to rotate through the meshing transmission of the motor gear 12 and the transmission gear 21, the lead screw gear 33 is coaxially and fixedly connected with the lead screw 31, the rotation of the lead screw 31 is realized, the lead screw nut 32 is driven to move, the rocker arm 42 is driven to rotate at a certain angle through the connection of the connecting rod, and the rocker arm 42 and the rotating shaft 51 are fixedly connected through the third locating pin 52 and the third locating pin nut 521, so that the control of the steering angle is realized.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of implementing the disclosure, and that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure.
Claims (7)
1. A high speed motor servo, the high speed motor servo comprising: the device comprises a screw rod assembly, a rocker arm assembly and a rotating shaft assembly, wherein the screw rod assembly comprises a screw rod and a screw rod nut, and the screw rod is in threaded connection with the screw rod nut; the rocker arm assembly comprises a first connecting rod and a rocker arm, the first connecting rod is fixedly connected with the screw nut, and the first connecting rod is rotationally connected with the rocker arm; the rotating shaft assembly comprises a rotating shaft, the rocker arm is sleeved on the outer circle of the rotating shaft, and the rocker arm is fixedly connected with the rotating shaft; the screw shaft axis and the rotating shaft axis are arranged vertically in space.
2. The high speed motor servo of claim 1 wherein said screw assembly further comprises a screw gear and a third bearing, said screw gear and said screw left end being fixedly connected, said screw gear and said screw nut being provided with a third bearing therebetween.
3. The high speed motor servo of claim 1 wherein said rocker arm assembly comprises a second link, said rocker arm comprises a first lobe and a second lobe, said first lobe and said second lobe are symmetrically disposed vertically along said shaft axis, said first link and said first lobe are rotatably connected, said second link and said second lobe are rotatably connected, and said second link and said lead screw nut are fixedly connected.
4. The high speed motor servo of claim 1 wherein the spindle assembly includes a third locating pin, the spindle is provided with a first locating hole perpendicular to the spindle axis, the rocker arm is provided with a second locating hole perpendicular to the spindle axis, and the third locating pin is mounted in the first locating hole and the second locating hole.
5. The high-speed motor servo according to claim 4, wherein one end of the rotating shaft is provided with a square mounting hole.
6. A high speed motor servo as recited in any one of claims 1-5 wherein said high speed motor servo further comprises: the gear assembly comprises a transmission gear, the motor assembly comprises a motor shaft and a motor gear, the motor gear is fixedly connected with the motor shaft, the motor gear is meshed with the transmission gear, and the transmission gear is meshed with the screw gear.
7. The high speed motor servo of claim 6 wherein said motor gear outer end face is coaxially disposed with a first bearing and said drive gear outer end face is coaxially disposed with a second bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311220525.1A CN117294069A (en) | 2023-09-21 | 2023-09-21 | High-rotation-speed motor servo device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311220525.1A CN117294069A (en) | 2023-09-21 | 2023-09-21 | High-rotation-speed motor servo device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117294069A true CN117294069A (en) | 2023-12-26 |
Family
ID=89258165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311220525.1A Pending CN117294069A (en) | 2023-09-21 | 2023-09-21 | High-rotation-speed motor servo device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117294069A (en) |
-
2023
- 2023-09-21 CN CN202311220525.1A patent/CN117294069A/en active Pending
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