CN105697716A - Roller oscillating tooth speed reducer - Google Patents
Roller oscillating tooth speed reducer Download PDFInfo
- Publication number
- CN105697716A CN105697716A CN201610089148.6A CN201610089148A CN105697716A CN 105697716 A CN105697716 A CN 105697716A CN 201610089148 A CN201610089148 A CN 201610089148A CN 105697716 A CN105697716 A CN 105697716A
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- CN
- China
- Prior art keywords
- shock wave
- roller
- wave device
- output shaft
- rear shock
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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
In accordance with the defects that in the prior art, a speed reducer is difficult to manufacture and high in manufacturing cost, the invention provides a roller oscillating tooth speed reducer which can meet requirements of large reduction-gear ratio, large torque, small transmission back clearance, light weight and small size. The roller oscillating tooth speed reducer comprises a casing, input shafts, output shafts and two-stage shock wave machines, wherein envelope surfaces I of rollers I of a front shock wave machine are arranged on the circumference surface of the inner hole of a rear shock wave machine. The output torque of the speed reducer disclosed by the invention is serveral times of the torque of a conventional roller oscillating tooth speed reducer, the transmission accuracy can be improved, further the front shock wave machine is embedded into an inner hole of a dual shock wave machine as the rear shock wave machine, and then the rear shock wave machine is embedded between the casing and the output shaft, so that the speed reducer realizes small-size large-reduction-gear-ratio transmission.
Description
Technical field
The invention belongs to reductor technical field, particularly to roller oscillating tooth gear reductor。
Background technology
At present, in mechanical manufacturing field, such as field of solar collectors, reductor is proposed increasingly higher requirement, require that reductor not only volume is little, lightweight, and require that reductor has big speed reducing ratio, big driving torque, little transmission back clearance is little, this just to reductor with material, the machining accuracy of material heat treatment and parts proposes very harsh requirement, drastically increase manufacture difficulty and the manufacturing cost of reductor, such as, present harmonic wave speed reducing machine and RV reductor, although meeting above-mentioned requirements, but the processing and manufacturing cost of these two kinds of reductors is high, difficulty is big, all very higher particularly with process equipment and detection equipment requirements, limit the development of the industry。
Summary of the invention
It is an object of the invention to for adopting prior art reductor manufacture difficulty is big, manufacturing cost is high deficiency, it is provided that a kind of not only can meet big retarding ratio, high pulling torque, little transmission back clearance but also reductor lightweight, that volume is little。
It is an object of the invention to be achieved through the following technical solutions:
A kind of roller oscillating tooth gear reductor, including housing, power shaft and output shaft and shock wave device, is provided with two-stage shock wave device, and the envelope surface one of the roller one of front shock wave device is arranged on the circumferential surface of endoporus of rear shock device；
Being also served as described front shock wave device by described power shaft, described housing includes drive end bearing bracket and housing cylinder, is provided with input shaft bore on drive end bearing bracket, on the edge, inner side of drive end bearing bracket；The axially arranged of input shaft bore has boss, boss is provided with radial roller groove one along the boss circle spacing, roller one is arranged in roller groove one, the envelope surface two of the roller two of rear shock device is arranged on the inner surface of housing cylinder, and it is to be arranged, by inner concave arc surface and outer convex globoidal interval, the smooth surface connected to form；The end of output shaft is provided with outer step hole, outer step hole is arranged on the end of output shaft, circle spacing along outer step hole is provided with the roller groove two of roller two, front shock wave device is rotationally connected by input shaft bore and drive end bearing bracket, rear shock device and front shock wave device are by being arranged on the shock wave bearing on its excircle, envelope surface one and roller one are connected, rear shock device is connected with cylinder by roller two and envelope surface two, output shaft is rotationally connected with rear end cap by the output shaft hole being arranged on rear end cap, rear end cap is fixing with cylinder to be connected, form shock wave device before holding, the cavity volume of rear shock device, power shaft, output shaft, rear shock device and drive end bearing bracket and rear end cap are coaxially disposed, axially arranged along power shaft of roller one and roller two；
Described rear shock device is rear shock device, and front shock wave device is front shock wave device；
Front shock wave device and rear shock device are rotationally connected, and rear shock device is connected with output shaft rotation。
Adopt the roller oscillating tooth gear reductor of present configuration, its shock wave device is composed in series by front shock wave device and rear shock device, speed reducing ratio is the product of the speed reducing ratio of two-stage shock wave device, therefore speed reducing ratio is big, again because the envelope surface one of front shock wave device is arranged on the bore area of rear shock device, the roller two of rear shock device is arranged on the external peripheral surface of rear shock device, and therefore the moment of torsion of whole reductor output is big；Participating in the roller quantity of motion in the present invention, almost half roller is in acting, thus reductor of the present invention output moment of torsion is several times of existing roller oscillating tooth gear reductor moment of torsion。Being connected with rear shock device by front shock wave device, the oval shock wave curve of rear shock device can eliminate the play that unicast shock wave bearing exists, and improves transmission accuracy。
Further, front shock wave device is embedded into as in the endoporus of double; two shock wave devices of rear shock device, and then shock wave device is embedded in again housing and output between centers, therefore so that this decelerator achieves small size, big retarding compares transmission。
Accompanying drawing explanation
Fig. 1 is reductor example structure sectional view of the present invention；
Fig. 2 is inventive shell example structure schematic diagram；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the double; two shock wave device example structure schematic diagram of the present invention；
Fig. 5 is the sectional view of Fig. 4；
Fig. 6 is output shaft example structure schematic diagram of the present invention；
Fig. 7 is the sectional view of Fig. 6；
Link position relation schematic diagram after Fig. 8 is the double; two shock wave device of the present invention and housing cooperates。
Description of reference numerals
1-housing 11-drive end bearing bracket 12-roller one 13-housing cylinder 15-boss 16-roller groove one 17-input shaft bore 18-envelope surface 2 19 mating holes one
2-output shaft 21-mating holes two 22-dead eye 23-roller groove two 24-roller two
Shock wave device bearing before 3-
Shock wave device 41-convex shoulder section 42-small outer diameter section one 43-small outer diameter section two 44-mating holes two before 4-
6-rear end cap
Stepped hole 74-envelope surface one in the double; two shock wave device body 72-outer step hole 73-of 7-rear shock device 71-
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described:
Such as Fig. 2,3 in conjunction with shown in Fig. 1, the roller oscillating tooth gear reductor of the present invention includes power shaft, housing 1, front shock wave device 4, rear shock device 7, output shaft 2 and rear end cap 6, the endoporus of rear shock device 7 is the envelope surface 1 of front shock wave device 4 roller one, is rotationally connected between rear shock device and front shock wave device。In the preferred embodiment of the invention, front shock wave device is also served as by power shaft, by the bore area of the housing cylinder envelope surface 2 18 as rear shock device, the retainer of the roller one of shock wave device before being provided with on the inner face of housing end plug, the end of output shaft 2 is provided with the retainer of the roller two of rear shock device, output shaft and rear shock device are rotationally connected, front shock wave device 4 is connected with housing into rotation by the input shaft bore 17 arranged on drive end bearing bracket 11, output shaft is rotationally connected with rear end cap by being provided with output shaft hole on rear end cap 6, rear end cap is fixing with cylinder to be connected, rear end cap and housing constitute the cavity volume holding front shock wave device and rear shock device。The present invention is preferably as follows structure。
Housing 1 is made up of housing cylinder 13 and drive end bearing bracket 11, and housing cylinder 13 is connected with the preferred integral type of drive end bearing bracket 11, it is also possible to be split type fixing connection。Housing 1 and rear end cap 5 are bolted to connection, and form the cavity volume of shock wave device 4, rear shock device 7, output shaft 2 before holding。Being provided with input shaft bore 17 on the drive end bearing bracket 11 of housing 1, the front shock wave device 4 also serving as power shaft is rotationally connected by bearing with input shaft bore 17；It is provided with along the axially extended boss 15 of input shaft bore 17 in the inner side of drive end bearing bracket, circle spacing along boss is provided with radial roller groove 1, roller 1 is arranged in roller groove 1, and the axis of roller 1 is parallel with the axis of input shaft bore 17, the boss being provided with roller groove one constitutes the retainer of roller one, the mating holes 1 that inner surface is curved surface it is provided with in one end towards rear end cap 5 of housing cylinder 13, this curved surface is called envelope surface 1, and envelope surface 1 is smoothly connected by outer recessed and convex arc surface and forms。
Front shock wave device is preferably single shock wave device。The front shock wave device 4 also serving as power shaft is eccentric shaft, its excircle is provided with convex shoulder section 41, small outer diameter section 1 and small outer diameter section 2 43 lay respectively at convex shoulder section 41 both sides, being rotationally connected by the input shaft bore 17 of bearing with housing 1 by the small outer diameter section 1 of front shock wave device, the convex shoulder section 41 of front shock wave device is rotatably assorted with roller 1 by shock wave bearing 3 and is connected。
If Fig. 4 and Fig. 5 is in conjunction with shown in Fig. 1, preferred rear shock device 7 is double wave shock wave device, its body end is the disk body of an ellipse, its one end towards housing is provided with stepped hole, outer step hole 72 is hole, big footpath, the inner surface in outer step hole 72 is curved surface, it is smoothly connected, by convex and outer recessed arc surface, the envelope surface 2 74 formed, external diameter and the width of the diameter of interior stepped hole 73 and the small outer diameter section 2 13 of the degree of depth and front shock wave device match, and rear shock device 7 forms compound motion pair by outer step hole 72, shock wave bearing 3, roller 1 with front shock wave device 1；
Such as Fig. 6,7 in conjunction with shown in Fig. 1, one end of output shaft 2 is link, the other end is abutting end, abutting end is provided with mating holes 2 21 and dead eye 22, mating holes two is positioned at the end of abutting end, circumferentially spaced about at mating holes two is provided with roller groove 2 23, roller 2 24 it is provided with in roller groove 2 23, and roller 2 24 is arranged between the oval outer surface of rear shock device 7 and the envelope surface two of housing 1, the oval outer surface of rear shock device 7, the envelope surface two of housing, output shaft 2 end by roller 2 24 formed the second kinematic pair。Output shaft is rotationally connected by the link of its dead eye 22 with double; two shock wave devices, is rotationally connected by bearing and rear end cap。It is coaxially disposed as the front shock wave device of power shaft, rear shock device and output shaft。
During work, the input of front shock wave device 4 it is connected with motor, the link of output shaft 2 is connected with load。Before driven by motor, shock wave device 4 rotates, owing to front shock wave device is eccentric shaft, therefore excitation shock wave bearing 3 drives roller 1 to radially reciprocate, it is arranged in the roller groove 1 on housing due to roller one and is positioned at the envelope surface 2 74 of rear shock device 7, when housing 1 is motionless, roller groove one maintains static, under the active force effect with counteracting force, roller one promotes rear shock device 7 to rotate, owing to rear shock device 7 body is ellipsoid, therefore double, two shock wave devices produce double wave excitation when rotating, promotion is rolled note 2 24 and is diametrically reciprocated at the teeth groove two being positioned at output shaft end, owing to housing 1 is fixing and roller two is positioned at the envelope surface 2 18 of housing 1, under active force with counteracting force, roller two (8) extrudes the side of the roller groove two of output shaft (14) and promotes output shaft rotation, thus reaching the purpose slowed down。
Owing to being provided with roller groove one on the end face of the drive end bearing bracket of housing 1, housing cylinder 13 is provided with the envelope surface two of roller two, therefore housing serves not only as front shock wave device roller rolling retainer, and also serve as the roller enveloping curved surface of rear shock device, the endoporus of rear shock device 7 is provided with the envelope surface one of roller one, the excircle of its body is oval surface, power shaft also serves as single shock wave device, output shaft doubles as the fender bracket of roller two, therefore, not only reduce the axial dimension of reductor, and the shock wave surface of the envelope surface one of roller one of shock wave device and rear shock device only need clamped one time correction just can obtain when machining before, equally, only need clamping once just can obtain the envelope surface two of input shaft bore and two grades of shock wave rollers, not only reduce the quantity of part, decrease machining period, the most important thing is to improve the machining accuracy of part, the cost of raw material and processing cost are saved。
Claims (4)
1. a roller oscillating tooth gear reductor, including housing (1), power shaft and output shaft (2) and shock wave device, it is characterized in that, being provided with two-stage shock wave device, the envelope surface one (74) of the roller one (12) of front shock wave device (4) is arranged on the circumferential surface of endoporus of rear shock device (7)。
2. a kind of roller oscillating tooth gear reductor as claimed in claim 1, it is characterized in that, described front shock wave device (4) is also served as by described power shaft, described housing includes drive end bearing bracket (11) and housing cylinder (13), drive end bearing bracket is provided with input shaft bore (17), on the edge, inner side of drive end bearing bracket；The axially arranged of input shaft bore has boss (15), boss is provided with radial roller groove one (16) along the boss circle spacing, roller one (12) is arranged in roller groove one, the envelope surface two (18) of the roller two (24) of rear shock device (7) is arranged on the inner surface of housing cylinder (13), and it is to be arranged, by inner concave arc surface and outer convex globoidal interval, the smooth surface connected to form；The end of output shaft (2) is provided with outer step hole (72), outer step hole is arranged on the end of output shaft, circle spacing along outer step hole is provided with the roller groove two (23) of roller two, front shock wave device (4) is rotationally connected by input shaft bore and drive end bearing bracket (11), rear shock device and front shock wave device are by being arranged on the shock wave bearing (3) on its excircle, envelope surface one (74) and roller one are connected, rear shock device (7) is connected with cylinder (13) by roller two and envelope surface two, output shaft is rotationally connected with rear end cap by the output shaft hole being arranged on rear end cap, rear end cap is fixing with cylinder to be connected, form shock wave device before holding, the cavity volume of rear shock device, power shaft, output shaft, rear shock device and drive end bearing bracket and rear end cap are coaxially disposed, axially arranged along power shaft of roller one and roller two。
3. a kind of roller oscillating tooth gear reductor as claimed in claim 1 or 2, it is characterised in that described rear shock device (7) is rear shock device, and front shock wave device (4) is front shock wave device。
4. a kind of roller oscillating tooth gear reductor as claimed in claim 2, it is characterised in that front shock wave device and rear shock device are rotationally connected, and rear shock device is connected with output shaft rotation。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089148.6A CN105697716A (en) | 2016-02-08 | 2016-02-08 | Roller oscillating tooth speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089148.6A CN105697716A (en) | 2016-02-08 | 2016-02-08 | Roller oscillating tooth speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105697716A true CN105697716A (en) | 2016-06-22 |
Family
ID=56222351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610089148.6A Pending CN105697716A (en) | 2016-02-08 | 2016-02-08 | Roller oscillating tooth speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043287A (en) * | 2019-12-31 | 2020-04-21 | 江苏泰隆减速机股份有限公司 | Composite roller oscillating tooth speed reducer with shaft end seal |
| CN111043275A (en) * | 2019-11-25 | 2020-04-21 | 燕山大学 | Small-size doublestage hammer shape roller oscillating tooth reduction gear |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067719A (en) * | 1992-05-28 | 1993-01-06 | 王敏良 | Roller ring gear conjugation transmission speed reducer |
| US5989144A (en) * | 1996-07-12 | 1999-11-23 | Chen; Zhi | Oscillatory roller transmission |
| CN2517907Y (en) * | 2001-12-31 | 2002-10-23 | 吴庆国 | Rigid mobile harmonic gear driving gear |
| CN201615184U (en) * | 2009-12-30 | 2010-10-27 | 山东理工大学 | Twin-stage movable-teeth speed reducer |
| CN104565279A (en) * | 2014-12-10 | 2015-04-29 | 曲志强 | Roller movable tooth speed reducer with central gear for outputting |
| CN205383224U (en) * | 2016-02-05 | 2016-07-13 | 秦皇岛博硕光电设备股份有限公司 | Tandem -type rollers oscillating tooth speed reducer |
-
2016
- 2016-02-08 CN CN201610089148.6A patent/CN105697716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067719A (en) * | 1992-05-28 | 1993-01-06 | 王敏良 | Roller ring gear conjugation transmission speed reducer |
| US5989144A (en) * | 1996-07-12 | 1999-11-23 | Chen; Zhi | Oscillatory roller transmission |
| CN2517907Y (en) * | 2001-12-31 | 2002-10-23 | 吴庆国 | Rigid mobile harmonic gear driving gear |
| CN201615184U (en) * | 2009-12-30 | 2010-10-27 | 山东理工大学 | Twin-stage movable-teeth speed reducer |
| CN104565279A (en) * | 2014-12-10 | 2015-04-29 | 曲志强 | Roller movable tooth speed reducer with central gear for outputting |
| CN205383224U (en) * | 2016-02-05 | 2016-07-13 | 秦皇岛博硕光电设备股份有限公司 | Tandem -type rollers oscillating tooth speed reducer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043275A (en) * | 2019-11-25 | 2020-04-21 | 燕山大学 | Small-size doublestage hammer shape roller oscillating tooth reduction gear |
| CN111043287A (en) * | 2019-12-31 | 2020-04-21 | 江苏泰隆减速机股份有限公司 | Composite roller oscillating tooth speed reducer with shaft end seal |
| CN111043287B (en) * | 2019-12-31 | 2024-06-07 | 江苏泰隆减速机股份有限公司 | Composite roller oscillating tooth speed reducer with shaft end seal |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |