CN108561528A - A kind of harmonic speed reducer - Google Patents
A kind of harmonic speed reducer Download PDFInfo
- Publication number
- CN108561528A CN108561528A CN201810065903.6A CN201810065903A CN108561528A CN 108561528 A CN108561528 A CN 108561528A CN 201810065903 A CN201810065903 A CN 201810065903A CN 108561528 A CN108561528 A CN 108561528A
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- Prior art keywords
- fixed frame
- gear
- ring
- tooth
- input shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention discloses a kind of harmonic speed reducer, including preceding fixed frame, input shaft, output shaft, chain ring, tooth sprocket, swivel mount, Double gear-ring, turntable bearing, pinion gear, fixed frame afterwards, preceding fixed frame is equipped with chain wheel, and it is connected with motive power outputting apparatus, preceding fixed frame is welded as entirety with rear fixed frame, three pinion gears are uniformly installed on rear fixed frame, input shaft is installed on rear fixed frame center and constitutes revolute pair, chain ring is installed between tooth sprocket and inner tooth disc, input shaft and three pinion gears and Double gear-ring form fixed shaft gear train, input shaft rotates, Double gear-ring rotation is driven by pinion gear, the transmission ratio of input shaft and Double gear-ring is i1, Double gear-ring drives the rotation of three tooth sprockets, and three tooth sprockets form harmonic speed changer as the chain wheel on the wave producer in harmonic speed reducer, with chain ring, output shaft, preceding fixed frame and rear fixed frame, and the transmission ratio of Double gear-ring and output shaft is i2, then the transmission ratio of input shaft and output shaft is i=i1×i2。
Description
Technical field
The present invention relates to mechanical reduction transmission fields, and in particular to be a kind of harmonic speed reducer.
Background technology
Harmonic Gears have transmission ratio big, and high transmission accuracy, stationarity be good and simple in structure, light-weight, volume
The advantages that small.Harmonic Gears are the mechanical harmonic waves of the radial deformation generation by thin-wall tube-shaped flexbile gear to transmit movement and power
, wherein the fracture by fatigue because caused by bending stress is excessive of thin-wall tube-shaped flexbile gear is the main failure forms of this transmission, flexbile gear
In bending stress it is directly proportional to radial-deformation and wall thickness, flexbile gear radial-deformation is related with transmission ratio, and transmission ratio is smaller, diameter
Bigger to deflection, the service life of transmission is shorter, and Wall-thick increases, and bending stress increases, service life reduction, conversely, wall thickness reduces,
The rigidity of flexbile gear reduces, and gear tooth stresses, which are concentrated, to be increased, or even the interference of tooth occurs, to aggravate the failure of transmission device,
Flexspline strength and service life it is also related with the factors such as its material and processing technology, need to usually use high duty alloy steel
Material, and quenched, nitriding, carburizing and bead are carried out, and strictly control dimensional accuracy, form accuracy and the surface matter of part
Amount, it can thus be appreciated that the manufacturing process of harmonic gear transmission device is considerably complicated, manufacturing cost is higher, and general manufacturer is difficult to reach
The requirement of its technology.
Invention content
The purpose of the present invention is to provide a kind of harmonic speed reducers to avoid using roller chain as the flexbile gear of harmonic drive
The high frequency flexible deformation of tubular flexbile gear effectively increases the stationarity for transmitting power and transmission, simplifies structure and manufacture work
Skill, improves the reliability and service life of device, and greatly reduces manufacture difficulty and manufacturing cost.
The technical solution that the present invention takes is：A kind of harmonic speed reducer, including preceding fixed frame, input shaft, output shaft, chain
Ring, tooth sprocket, swivel mount, Double gear-ring, turntable bearing, pinion gear, rear fixed frame, it is characterised in that：Preceding fixed frame side is equipped with
Mounting hole is fixedly installed on motive power outputting apparatus, and the other side is equipped with preceding chain wheel, and rear fixed frame center is equipped with circular through hole,
One end is equipped with rear chain wheel, and preceding chain wheel is identical as the rear chain wheel number of teeth, and centre position is laid with three empty windows, each empty side two outside window
End is equipped with a pair of concentric pinion gear mounting base, and preceding fixed frame is linked together with rear fixed frame by welding, and before guarantee
Chain wheel is aligned with the position of each tooth of rear chain wheel, and input shaft is equipped with gear structure close to centre position, and input shaft is fixed with rear
Frame is co-axially mounted composition revolute pair, and three pinion gears are respectively arranged in three pairs of pinion gear mounting bases on rear fixed frame, with
Fixed frame constitutes revolute pair afterwards, and constitutes gear teeth meshing relationship with the gear structure on input shaft.
Further, the swivel mount is circumferentially laid with three pairs of toothed chain wheel carriers and three support carrier bars, and swivel mount is with after
Fixed frame is co-axially mounted and constitutes revolute pair, and ring gear is equipped on the inside of Double gear-ring, annular groove, groove both sides are equipped among outside
It is toothed around, turntable bearing there are two installations, makes the above two constitute revolute pair, the internal tooth of Double gear-ring between Double gear-ring and swivel mount
Circle constitutes gear teeth meshing relationship with three pinion gears.
Further, the tooth sprocket middle section be chain sprocket structure, chain sprocket structure both sides be equipped with gear structure, three
Tooth sprocket is respectively arranged in toothed chain wheel carrier top set on swivel mount, and constitutes revolute pair, three tooth sprockets with swivel mount
Gear teeth meshing relationship is constituted with Double gear-ring.
Further, inner tooth disc there are two being set on the output shaft inner ring annular sidewall, the number of teeth phase of two inner tooth discs
Together, and each tooth is aligned, the number of teeth of inner tooth disc and the rear chain wheel teeth number difference on the preceding chain wheel and rear fixed frame on preceding fixed frame
It is 3, chain ring is installed between three tooth sprockets and two inner tooth discs of output shaft.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural schematic diagram of rear fixed frame in the present invention.
Fig. 3 is the structural schematic diagram of swivel mount in the present invention.
Fig. 4 is center longitudinal profile structure schematic of the present invention.
Fig. 5 is central cross cross-sectional view of the present invention.
Drawing reference numeral：Chain wheel, 2 input shafts, 3 output shafts, 3.1 inner tooth discs, 4 chain rings, 5.1 teeth before fixed frame, 1.1 before 1
Sprocket wheel, 5.2 tooth sprockets, 5.3 tooth sprockets, 6 swivel mounts, 6.1 toothed chain wheel carriers, 6.2 support carrier bars, 7 Double gear-rings, 8.1 turntable bearings,
Fixed frame, 10.1 welding axis, 10.2 pinion gears peace behind 8.2 turntable bearings, 9.1 pinion gears, 9.2 pinion gears, 9.3 pinion gears, 10
Chain wheel behind dress seat, 10.3 empty windows, 10.4.
Specific implementation mode
With reference to specific embodiment, the invention will be further described, in the illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1, a kind of harmonic speed reducer, including preceding fixed frame 1, input shaft 2, output shaft 3, chain ring 4, tooth sprocket
(5.1,5.2,5.3), swivel mount 6, Double gear-ring 7, turntable bearing (8.1,8.2), pinion gear (9.1,9.2,9.3), rear fixed frame
10, it is characterised in that：1 side of preceding fixed frame is equipped with mounting hole, is fixedly installed on motive power outputting apparatus, and the other side is equipped with labial teeth
Disk 1.1, as shown in Fig. 2, rear 10 center of fixed frame is equipped with circular through hole, one end is equipped with rear chain wheel 10.4, welds in axis 10.1
Between position be laid with three empty windows 10.3,10.3 outside both ends of each sky window are equipped with a pair of concentric pinion gear mounting base
10.2, as shown in figure 4, preceding fixed frame 1 is linked together with rear fixed frame 10 by welding, input shaft 2 is equipped with close to centre position
Gear structure, input shaft 2 are co-axially mounted composition revolute pair with rear fixed frame 10, and three pinion gears (9.1,9.2,9.3) are pacified respectively
Loaded in three pairs of pinion gear mounting bases 10.2 on rear fixed frame 10, constitute revolute pair with rear fixed frame 10, and with input
Gear structure 2.1 on axis 2 constitutes gear teeth meshing relationship.
As shown in figure 3, the swivel mount 6 is circumferential to be laid with three pairs of toothed chain wheel carriers 6.1 and three support carrier bars 6.2, support
Carrier bar 6.2 is that chain ring 4 provides support and makes its tensioning, and swivel mount 6 is co-axially mounted and constitutes revolute pair with rear fixed frame 10, double
The inside of gear ring 7 is equipped with ring gear, and annular groove is equipped among outside, and groove both sides are toothed around, Double gear-ring 7 and swivel mount 6 it
Between installation there are two turntable bearing (8.1,8.2), so that the above two is constituted revolute pair, the ring gear of Double gear-ring 7 and three pinion gears
(9.1,9.2,9.3) constitute gear teeth meshing relationship.
Described tooth sprocket (5.1, the 5.2,5.3) middle section is chain sprocket structure, and chain sprocket structure both sides are equipped with gear structure,
Three tooth sprockets (5.1,5.2,5.3) are respectively arranged on swivel mount 6 set 6.1 top of toothed chain wheel carrier, and with swivel mount 6
Revolute pair is constituted, three tooth sprockets (5.1,5.2,5.3) constitute gear teeth meshing relationship with Double gear-ring 7.
As shown in Figure 4, Figure 5, inner tooth disc 3.1 there are two being set on the 2 inner ring annular sidewall of output shaft, two inner tooth discs
3.1 number of teeth is identical, and each tooth is aligned, the preceding chain wheel 1.1 in the number of teeth of inner tooth disc 3.1 and preceding fixed frame 1 and rear fixation
10.4 teeth number difference of rear chain wheel on frame is 3, and chain ring 4 is installed on the two of three tooth sprockets (5.1,5.2,5.3) and output shaft 2
Between a inner tooth disc 3.1.
The embodiment of the present invention：
Input shaft 2 and three pinion gears (9.1,9.2,9.3) and Double gear-ring 7 form fixed shaft gear train, and input shaft 2 rotates, and leads to
It crosses pinion gear (9.1,9.2,9.3) driving Double gear-ring 7 to rotate, the transmission ratio of input shaft 2 and Double gear-ring 7 is i1, the driving of Double gear-ring 7
Three tooth sprockets (5.1,5.2,5.3) are revolved round the sun around 6 axle center of swivel mount, and three tooth sprockets (5.1,5.2,5.3) are used as harmonic reduction
Chain wheel (1.1,10.4) on wave producer in device, with chain ring 4, output shaft 3, preceding fixed frame and rear fixed frame forms harmonic wave
The transmission ratio of deceleration device, Double gear-ring 7 and output shaft 3 is i2, then the transmission ratio of input shaft 2 and output shaft 3 is i=i1×i2。
Claims (4)
1. a kind of harmonic speed reducer, including preceding fixed frame (1), input shaft (2), output shaft (3), chain ring (4), tooth sprocket
(5.1,5.2,5.3), swivel mount (6), turntable bearing (8.1,8.2), pinion gear (9.1,9.2,9.3), are consolidated Double gear-ring (7) afterwards
Determine frame (10), it is characterised in that：Preceding fixed frame (1) side is equipped with mounting hole, is fixedly installed on motive power outputting apparatus, the other side
Equipped with preceding chain wheel (1.1), rear fixed frame (10) center is equipped with circular through hole, and one end is equipped with rear chain wheel (10.4), welds axis
(10.1) centre position is laid with three empty windows (10.3), and each sky window (10.3) outside both ends are equipped with a pair of concentric
Pinion gear mounting base (10.2), preceding fixed frame (1) are linked together with rear fixed frame (10) by welding, and input shaft (2) is in
Meta position has installed gear structure, and input shaft (2) and rear fixed frame (10) are co-axially mounted composition revolute pair, three pinion gears (9.1,
9.2,9.3) (10.2) in three pairs of pinion gear mounting bases on rear fixed frame (10) are respectively arranged in, with rear fixed frame (10) structure
At revolute pair, and gear teeth meshing relationship is constituted with the gear structure (2.1) on input shaft (2).
2. a kind of harmonic speed reducer as described in claim 1, it is characterised in that：Swivel mount (6) is circumferentially laid with three pairs of teeth
Sprocket holder (6.1) and three support carrier bars (6.2), swivel mount (6) are co-axially mounted and constitute revolute pair, bidentate with rear fixed frame (10)
It encloses and is equipped with ring gear on the inside of (7), be equipped with annular groove among outside, groove both sides are toothed around, Double gear-ring (7) and swivel mount
(6) installation is there are two turntable bearing (8.1,8.2) between, the above two is made to constitute revolute pair, the ring gear of Double gear-ring (7) and three
Pinion gear (9.1,9.2,9.3) constitutes gear teeth meshing relationship.
3. a kind of harmonic speed reducer as described in claim 1, it is characterised in that：Tooth sprocket (5.1,5.2,5.3) middle section
For chain sprocket structure, chain sprocket structure both sides are equipped with gear structure, and three tooth sprockets (5.1,5.2,5.3) are respectively arranged in swivel mount
(6) set toothed chain wheel carrier (6.1) top on, and revolute pair is constituted with swivel mount (6), three tooth sprockets (5.1,5.2,
5.3) gear teeth meshing relationship is constituted with Double gear-ring (7).
4. a kind of harmonic speed reducer as described in claim 1, it is characterised in that：Output shaft (2) inner ring annular sidewall is equipped with
Two inner tooth discs (3.1), chain ring (4) are installed on two inner tooth discs of three tooth sprockets (5.1,5.2,5.3) and output shaft (2)
(3.1) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065903.6A CN108561528B (en) | 2018-01-24 | 2018-01-24 | Harmonic speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065903.6A CN108561528B (en) | 2018-01-24 | 2018-01-24 | Harmonic speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108561528A true CN108561528A (en) | 2018-09-21 |
| CN108561528B CN108561528B (en) | 2020-10-27 |
Family
ID=63530864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065903.6A Active CN108561528B (en) | 2018-01-24 | 2018-01-24 | Harmonic speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561528B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944444A (en) * | 1959-09-22 | 1960-07-12 | Curtiss Wright Corp | Rotary speed reducer |
| JPS5739961Y2 (en) * | 1978-01-27 | 1982-09-02 | ||
| CN1554878A (en) * | 2003-12-29 | 2004-12-15 | 石永刚 | Harmonic speed reducer of cycloid roller chain |
| CN102400730A (en) * | 2011-11-28 | 2012-04-04 | 时利 | Valve timing phase control device |
| CN102753858A (en) * | 2010-02-12 | 2012-10-24 | 蒂姆肯公司 | Epicyclical gear transmission with improved load carrying capability |
| CN204140807U (en) * | 2014-03-31 | 2015-02-04 | 张小龙 | A kind of chain coupling retarder |
| CN107327544A (en) * | 2017-08-31 | 2017-11-07 | 安徽理工大学 | It is a kind of to move back and forth the nested type planetary reduction gear for being converted to one-way movement |
-
2018
- 2018-01-24 CN CN201810065903.6A patent/CN108561528B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944444A (en) * | 1959-09-22 | 1960-07-12 | Curtiss Wright Corp | Rotary speed reducer |
| JPS5739961Y2 (en) * | 1978-01-27 | 1982-09-02 | ||
| CN1554878A (en) * | 2003-12-29 | 2004-12-15 | 石永刚 | Harmonic speed reducer of cycloid roller chain |
| CN102753858A (en) * | 2010-02-12 | 2012-10-24 | 蒂姆肯公司 | Epicyclical gear transmission with improved load carrying capability |
| CN102400730A (en) * | 2011-11-28 | 2012-04-04 | 时利 | Valve timing phase control device |
| CN204140807U (en) * | 2014-03-31 | 2015-02-04 | 张小龙 | A kind of chain coupling retarder |
| CN107327544A (en) * | 2017-08-31 | 2017-11-07 | 安徽理工大学 | It is a kind of to move back and forth the nested type planetary reduction gear for being converted to one-way movement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108561528B (en) | 2020-10-27 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200927 Address after: Room a306, building 7, Shengli College Students Pioneer Park, 217 Xisan Road, Dongying District, Dongying City, Shandong Province Applicant after: DONGGUAN KAIJIE PETROLEUM EQUIPMENT Co.,Ltd. Address before: 300393, room 1, unit 10, 503 building, Beizhen water garden, Xiqing District, Tianjin Applicant before: Lian Xuefang |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |