CN208417443U - A kind of harmonic driving device of vibratory wave generator - Google Patents
A kind of harmonic driving device of vibratory wave generator Download PDFInfo
- Publication number
- CN208417443U CN208417443U CN201820657993.3U CN201820657993U CN208417443U CN 208417443 U CN208417443 U CN 208417443U CN 201820657993 U CN201820657993 U CN 201820657993U CN 208417443 U CN208417443 U CN 208417443U
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- China
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- input shaft
- wave producer
- oscillating plate
- wave
- left end
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Abstract
This is practical to be related to a kind of harmonic driving device of vibratory wave generator, feature be include first bearing group, input shaft, left end cap, outer housing, rigid internal gear set, flexibility external gear, oscillating plate, backing plate, second bearing group, wave producer, check valve, output shaft, key, bolt assembly, unloading port；Input shaft is mounted on left end cap by first bearing group, and check valve is mounted in the radial hole of input shaft, and oscillating plate and backing plate are located in the inner cavity of wave producer；Radial hole group is equipped on wave producer, radial hole group makes inner cavity and the outside connection of wave producer；The left end of flexible external gear is fixedly connected with the right side of left end cap, and flexible external gear is located at outside wave producer and clearance fit, and rigid internal gear set is mounted in outer housing by second bearing group, and rigid internal gear set is located at the outside of flexible external gear and intermeshing；The left part of output shaft is connected by key and rigid internal gear set.Without vulnerable part flexible bearing in the device, whole service life can be improved.
Description
Technical field
The utility model relates to a kind of harmonic drive mechanisms of novel wave producer, currently, high-precision robot, medical treatment
The equipment such as instrument, 3D printer, dynamoelectric equipment and ultra-precision machine tool, detection device to the feeding resolution ratio of transmission system, again
Multiple positioning accuracy and movement smoothness requirement are high, therefore many times need a kind of vibration of large transmission ratio and high transmission accuracy
The harmonic driving device of wave producer.
Background technique
Since harmonic gear transmission device utility model over half a century, since the advantage of its own is used widely,
It includes harmonic oscillator, flexible bearing, rigid gear and flexible gear；Currently, most common harmonic oscillator, feature exist
There is major and minor axis in wave producer；There are some improved wave producers, is to utilize eccentric shaft, eccentric wheel or idler wheel etc. at work
Component supports flexible gear to be allowed to engage with rigid gear by flexible bearing；No matter the wave producer of that form, be all according to
Oval flexible deformation is constantly done by flexible bearing, is also all rigid contact between wave producer and flexible gear, it is therefore, flexible
Bearing easily damages.
Suspension support possessed by ultrasonic activation surface and antifriction ability, by multinomial theoretical research and practical application institute
It confirms, and acquires practical application in more and more fields, studies have found that frictional resistance between contact surface drops in ultrasonic energy
Low 90% or more, in modern manufacturing industry, has many researchers both at home and abroad and begin to use ultrasonic bearing and supersonic motor,
But the report that ultrasonic activation technology is used for harmonic drive mechanism is still had no so far.
Summary of the invention
The purpose of the utility model is to provide a kind of harmonic drive of novel wave producer, in the device without
Vulnerable part flexible bearing can improve whole service life.
It in order to achieve the above object, the utility model is realized in this way, is that a kind of harmonic wave of vibratory wave generator passes
Dynamic device, including first bearing group, input shaft, left end cap, outer housing, rigid internal gear set, flexible external gear, oscillating plate, backing plate,
Second bearing group, wave producer, check valve, output shaft, key, bolt assembly, unloading port；
The left end cap covers the left opening in outer housing and is fixed by fastener, and the input shaft passes through first bearing
Group is mounted on left end cap and can be rotated, and is equipped with axial oilhole in the axle center of input shaft, is equipped with axial oil in the axle center of input shaft
Hole is equipped with radial hole in the right end of input shaft, and the check valve is mounted in radial hole, the entrance connection of axial oilhole and check valve
Logical, the oscillating plate is fixed on backing plate, and the wave producer is fixedly connected on the right end of input shaft by bolt assembly, vibration
Plate and backing plate are located in the inner cavity of wave producer, have gap between oscillating plate and the inner wall of wave producer；In oscillating plate and backing plate
Center have the through-hole with one-way valved outlet connection, after energization, oscillating plate can thickness direction generate high-frequency vibration, wave send out
Raw device is equipped with radial hole group, and the radial hole group makes inner cavity and the outside connection of wave producer；
The left end of the flexibility external gear is fixedly connected with the right side of left end cap, and flexible external gear is located at outside wave producer
And clearance fit, the rigid internal gear set are mounted in outer housing and can be rotated, rigid internal gear set by second bearing group
Outside and intermeshing positioned at flexible external gear；
The left part of the output shaft is connected by key and rigid internal gear set.
The unloading port is located on outer housing.
In the technical scheme, the oscillating plate, backing plate, wave producer and check valve have two sets, and the radial hole has
Two, oscillating plate, backing plate, wave producer and two radial holes are arranged in the right end of input shaft using the axis of input shaft as symmetry axis
On, two check valves are located in respective radial hole, the axle center oilhole respectively with two check valve connection.
In the technical scheme, the oscillating plate can be piezoelectric material or magnetostriction materials.
The utility model compared with prior art, has the advantages that
1, when working, due to the high-frequency vibration of oscillating plate, high-intensitive profit can be generated between wave producer and flexible gear
Lubricating oil film improves movement transmitting accuracy, increases wave almost without friction during exercise between wave producer and flexible gear
The service life of device and flexbile gear.
2, the mechanism eliminates the flexible bearing easily damaged in conventional harmonic transmission mechanism, increases service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of input shaft and its part parts on shaft；
Fig. 3 is the left view of Fig. 2.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, as long as technical characteristic involved in the various embodiments of the present invention described below does not constitute punching each other
It is prominent to be combined with each other.
In the utility model description, the orientation or positional relationship of the instructions such as term " left side " and " right side " is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description the utility model rather than require the utility model must be with specific side
Position construction and operation, therefore should not be understood as limiting the present invention.
It as shown in Figure 1 to Figure 3, is a kind of harmonic driving device of vibratory wave generator, including first bearing group 1, input
Axis 2, left end cap 3, outer housing 4, rigid internal gear set 5, flexible external gear 6, oscillating plate 7, backing plate 8, second bearing group 9, wave hair
Raw device 10, check valve 11, output shaft 12, key 13, bolt assembly 14, unloading port 15；
The left end cap 3 covers the left opening in outer housing 4 and is fixed by fastener, and the input shaft 2 passes through first
Bearing group 1 is mounted on left end cap 3 and can be rotated, and axial oilhole 21 is equipped in the axle center of input shaft 2, in the right end of input shaft 2
Equipped with radial hole 22, the check valve 11 is mounted in radial hole 22, the entrance connection of axial oilhole 21 and check valve 11, described
Backing plate 8 is fixed on the right end of input shaft 2, and the oscillating plate 7 is fixed on backing plate 8, and the wave producer 10 passes through bolt assembly
14 are fixedly connected on the right end of input shaft 2, and oscillating plate 7 and backing plate 8 are located in the inner cavity of wave producer 10, and oscillating plate 7 and wave are sent out
There is gap between the inner wall of raw device 10；There is the through-hole for exporting connection with check valve 11 at the center of oscillating plate 7 and backing plate 8, leads to
After electricity, oscillating plate 7 can generate high-frequency vibration in thickness direction, and radial hole group 101, the radial direction are equipped on wave producer 10
Small through hole group 101 makes inner cavity and the outside connection of wave producer 10；
The left end of the flexibility external gear 6 is fixedly connected with the right side of left end cap 3, and flexible external gear 6 is located at wave
Device 10 is outer and clearance fit, the rigid internal gear set 5 are mounted in outer housing 4 and be can be rotated by second bearing group 9, rigidity
Inner gear housing 5 is located at flexible 6 outside of external gear and is intermeshed；
The left part of the output shaft 12 is connect by key 13 with rigid internal gear set 5；
The unloading port 15 is located on outer housing 4.
In the present embodiment, the oscillating plate 7, backing plate 8, wave producer 10 and check valve 11 have two sets, the radial direction
Hole 22 has two, and oscillating plate 7, backing plate 8, wave producer 10 and two radial holes 22 are using the axis of input shaft 2 as symmetry axis cloth
It sets on the right end of input shaft 2, two check valves 11 are located in two radial holes 22, and the axle center oilhole 21 is respectively and unidirectionally
11 connection of valve.
In the present embodiment, the oscillating plate 7 can be piezoelectric material or magnetostriction materials.
The course of work: 2 high speed rotation of input shaft drives the oscillating plate 7, backing plate 8, wave that are connected thereto and tighten together to occur
The components such as device 10 and check valve 11 (arranging along the axisymmetrical of axis 2) rotate together, and two rotations of wave producer 10 drive
It is mounted on flexible external gear 6 outside it to move, and forces the external tooth of the flexible external gear 6 successively internal tooth with rigid internal gear set 5
Engagement can generate side set movement since flexible external gear 6 and rigid internal gear set 5 are there are teeth number difference, rigid internal gear set 5 because
This low speed rotation also drives the output shaft 12 being connected thereto together to rotate, and at the same time, hydraulic oil passes through 2 center of input shaft
Hole enters check valve 11, then by the through-hole on backing plate 8 and oscillating plate 7, between 10 inner wall of oscillating plate 7 and wave producer with
And in the radial hole group of wave producer 10, oscillating plate 7 generates thickness direction high-frequency vibration after being powered, and makees in the high frequency of oscillating plate 7
With the high pressure liquid pressure oil of lower generation, enter 6 inner hole of wave producer 10 and flexible external gear by the radial hole group of wave producer 10
Between, and high-intensitive lubricating oil film is formed between wave producer 10 and flexible external gear 6, greatly reduce outside wave producer 10 and flexibility
6 sliding frictions of gear.
Due to piezoelectricity relevant to the utility model, ultrasonic vibration technology, various control technologies and wiring, hydraulic, confession
The technologies such as oil, pipeline, sealing and pressure maintaining are highly developed, and the key content of non-the utility model, therefore in the utility model
It is not described in detail in relative theory figure and explanatory note, not the utility model people slips, and illustrates hereby.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to institute
The embodiment of description.For the ordinary skill in the art, the principles of the present invention and objective are not being departed from
In the case of to these embodiments carry out it is a variety of variation, modification, replacement and deformation still fall in the protection scope of the utility model
It is interior.
Claims (3)
1. a kind of harmonic driving device of vibratory wave generator, it is characterised in that including first bearing group (1), input shaft (2), left end
Cover (3), outer housing (4), rigid internal gear set (5), flexible external gear (6), oscillating plate (7), backing plate (8), second bearing group
(9), wave producer (10), check valve (11), output shaft (12), key (13), bolt assembly (14), unloading port (15)；
The left end cap (3) is covered the left opening in outer housing (4) and is fixed by fastener, and the input shaft (2) passes through the
One bearing group (1) is mounted on left end cap (3) and can be rotated, and is equipped with axial oilhole (21) in the axle center of input shaft (2), is inputting
The right end of axis (2) is equipped with radial hole (22), and the check valve (11) is mounted in radial hole (22), axial oilhole (21) and unidirectional
The entrance connection of valve (11), the backing plate (8) are fixed on the right end of input shaft (2), and the oscillating plate (7) is fixed on backing plate (8)
On, the wave producer (10) is fixedly connected on the right end of input shaft (2), oscillating plate (7) and backing plate by bolt assembly (14)
(8) in the inner cavity of wave producer (10), there is gap between oscillating plate (7) and the inner wall of wave producer (10)；In oscillating plate
(7) and there is the through-hole with check valve (11) outlet connection at the center of backing plate (8), and after energization, oscillating plate (7) can be in thickness direction
High-frequency vibration is generated, is equipped with radial hole group (101) on wave producer (10), the radial hole group (101) makes wave
The inner cavity of device (10) and outside connection；
The left end of the flexibility external gear (6) is fixedly connected with the right side of left end cap (3), and flexible external gear (6) is located at wave hair
Raw device (10) are outside and clearance fit, the rigid internal gear set (5) are mounted in outer housing (4) simultaneously by second bearing group (9)
It can be rotated, rigid internal gear set (5) is located at the outside of flexible external gear (6) and intermeshing；
The left part of the output shaft (12) is connect by key (13) with rigid internal gear set (5)；
The unloading port (15) is located on outer housing (4).
2. a kind of harmonic driving device of vibratory wave generator according to claim 1, it is characterised in that the oscillating plate
(7), backing plate (8), wave producer (10) and check valve (11) have two sets, and the radial hole (22) has two, oscillating plate (7),
Backing plate (8), wave producer (10) and two radial holes (22) are arranged in input shaft as symmetry axis using the axis of input shaft (2)
(2) right end, two check valves (11) are located at two radial holes (22).
3. a kind of harmonic driving device of vibratory wave generator according to claim 1 or 2, it is characterised in that the oscillating plate
(7) piezoelectric material or magnetostriction materials be can be.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820657993.3U CN208417443U (en) | 2018-05-04 | 2018-05-04 | A kind of harmonic driving device of vibratory wave generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820657993.3U CN208417443U (en) | 2018-05-04 | 2018-05-04 | A kind of harmonic driving device of vibratory wave generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417443U true CN208417443U (en) | 2019-01-22 |
Family
ID=65118130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820657993.3U Withdrawn - After Issue CN208417443U (en) | 2018-05-04 | 2018-05-04 | A kind of harmonic driving device of vibratory wave generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413006A (en) * | 2018-05-04 | 2018-08-17 | 顺德职业技术学院 | A kind of harmonic driving device of vibratory wave generator |
-
2018
- 2018-05-04 CN CN201820657993.3U patent/CN208417443U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413006A (en) * | 2018-05-04 | 2018-08-17 | 顺德职业技术学院 | A kind of harmonic driving device of vibratory wave generator |
| CN108413006B (en) * | 2018-05-04 | 2023-04-18 | 顺德职业技术学院 | Harmonic driver of vibration wave generator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20230418 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20230418 |