CN103133627A - Wobbler reducer with driving belt - Google Patents
Wobbler reducer with driving belt Download PDFInfo
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- CN103133627A CN103133627A CN2013100577673A CN201310057767A CN103133627A CN 103133627 A CN103133627 A CN 103133627A CN 2013100577673 A CN2013100577673 A CN 2013100577673A CN 201310057767 A CN201310057767 A CN 201310057767A CN 103133627 A CN103133627 A CN 103133627A
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- driving belt
- external toothing
- gear ring
- adjustable eccentric
- input shaft
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Abstract
The invention discloses a wobbler reducer with a driving belt. The wobbler reducer comprises an input shaft, an output shaft, an outer static gear ring, the driving belt, an outer movable gear ring and an adjustable eccentric sleeve, wherein the input shaft and the outer shaft are abutted in a cavity, and the outer static gear ring, the driving belt, the outer movable gear ring and the adjustable eccentric sleeve are arranged in the cavity. The center of the adjustable eccentric sleeve is provided with a hole and sleeved on the input shaft. The outer movable gear ring rotating around the eccentric sleeve is mounted on the outer periphery of the eccentric sleeve. The outer static gear ring is fixed on the inner end face wall of the cavity, the flexible driving belt is fittingly mounted on the outer static gear ring and meshes with the outer movable gear ring in the direction close to the axis center of the adjustable eccentric sleeve and in cylindrical arc surface contact with the outer movable gear ring, and the outer movable gear ring and an end face of the output shaft are connected through a pin. The wobbler reducer with the driving belt has the advantages of external gearing transmission, automatic loosening compensating performance of the driving belt, high transmission ratio, simple and compact structure, good processing technique, external gearing multi-tooth-surface operation transmission, high transmission efficiency, stability and the like.
Description
Technical field
The present invention relates to mechanical reducer, specifically a kind of driving belt swing wheel decelerator.
Background technique
Present mechanical reducer, single-stage driving is less, carries year number of teeth few, and flank of tooth bearing strength test is large, and the life-span is short, and it is high that the processing technology difficulty reaches greatly cost.
In prior art, rotary retarder, its escapement contacts for line with quiet wheel of matching in its outside, because quiet the wheel is rigid wheel, so in operation process, its transmission engaging tooth also is less than two teeth at most, bearing strength test is large, can cause serious wear, the phenomenon that the life-span reduces is to such an extent as to cause the maintenance cost in later stage to increase, and can not produce large velocity ratio, if want to obtain a large transmission, need to improve the performance of component, caused the increase of manufacture cost and the difficulty of technique.The another one defective in the swing process, due to the heavy wear problem, causes escapement and the quiet cooperation of taking turns to go out to produce the gap, does not have to make escapement lean all the time auto-compensation mechanism on quiet the wheel.
Summary of the invention
The object of the present invention is to provide a kind of driving belt swing wheel decelerator, have the compensation of outer gearing transmission, driving belt self-relaxation function, big speed ratio, simple and compact for structure, technology capability good, multiple tooth work transmission of outer gearing, transmission efficiency is high and the characteristics such as steady.
in order to reach above-mentioned purpose, the invention provides following technological scheme: a kind of driving belt swing wheel decelerator, comprise the input shaft and the output shaft that are docked in a cavity, also include quiet external toothing in described cavity, driving belt, moving external toothing, the adjustable eccentric cover, described adjustable eccentric cover center drilling is enclosed within on input shaft and this eccentric bushing excircle is installed around self rotating moving external toothing, described quiet external toothing is fixed on cavity the inner faces the wall and meditates, and the flexible driving band that installation is complementary on quiet external toothing, described flexible driving band overlaps at close adjustable eccentric and is meshed with moving external toothing on the direction of axle center and contacts with the face of moving external toothing formation cylindrical radial face, described moving external toothing is connected by bearing pin with the output shaft end face.
also comprise the driving belt automatic compensator, this device mainly comprises initiatively voussoir, driven voussoir, axial deep hole is offered at described input shaft center, and offer square hole perpendicular to axial direction at the input shaft sidewall that is positioned at adjustable eccentric cover position, this square hole and above-mentioned deep hole connect, described square hole extends to deep hole inside always in the two side of axial direction, be that deep hole is at the crescent moon platform that is positioned at the inner both sides of square hole position formation deep hole, initiatively voussoir is set in the deep hole between the crescent moon platform of described both sides, be placed with the driven voussoir that matches with the active voussoir in square hole, described driven voussoir presses closer at adjustable eccentric outside square hole and puts.
Described active voussoir is being provided with spring towards the deep hole opening direction, and described spring is compressed by the jackscrew at rear; Described adjustable eccentric cover center drilling diameter is greater than the diameter of input shaft.
The described bearing pin that is connected on the output shaft end face arranges two at least, offer the hole of inserting for the bearing pin the other end on described moving external toothing, and this bore dia offset of adding the adjustable eccentric cover more than or equal to pin diameter adds two times of compensation rates of driving belt automatic compensator again.
Described cavity is made of support and the input direction end cap and the outbound course end cap that cover in the support both ends of the surface, side, described moving external toothing two ends is provided with quiet external toothing, on facing the wall and meditating in the inner that two quiet external toothings are separately fixed at input direction end cap and outbound course end cap.
Described driving belt comprises synchronous cog belt or chain or steel band.
Described moving external toothing diameter is during greater than quiet external toothing diameter, input shaft and output shaft rotating in same direction.
Compared to prior art, the present invention has following beneficial effect:
Active voussoir in input shaft promotes driven voussoir and adjustable eccentric cover to radially ejecting under the effect of spring, driving outside moving external toothing axle center and moving, thereby realize that moving external toothing and quiet external toothing throw of eccentric strengthen to compensate the lax of driving belt, improved transmission accuracy, reduced rotational noise and extended working life;
The driving belt automatic compensator is arranged in the input shaft deep hole, makes this product with compact structure, simple, and technology capability is good, cost is low;
Due to the driving band type transmission, this flexible driving band is wrapped on moving external toothing in real time, forms the contact of cylindrical radial face, realize that multiple tooth carries its nominal load simultaneously, so flank of tooth stress is little, long service life; Velocity ratio is large, the transmission accuracy precision is high, rotational noise is low, efficient is high;
When driving belt was used steel band: quiet external toothing and moving external toothing were the cylndrical surface, namely avoided number of teeth restriction, realized large cornerite rolling static friction state underdrive, and velocity ratio can infinity and non-integer compare transmission;
When moving external toothing diameter during greater than quiet external toothing diameter: realize input shaft and output shaft rotating in same direction.
Description of drawings
Fig. 1 is the main pseudosection of a kind of driving belt swing wheel decelerator of the present invention;
Fig. 2 is the top plan view of a kind of driving belt swing wheel decelerator of the present invention.
In figure: input shaft 1, spring 2, active voussoir 3, driven voussoir 4, quiet external toothing 5, driving belt 6, moving external toothing 7, bearing pin 8, adjustable eccentric cover 9, output shaft 10, input direction end cap 11, support 12, outbound course end cap 13.
Embodiment
Relevant detailed description of the present invention and technology contents coordinate description of drawings as follows, yet accompanying drawing only provides the use of reference with explanation, and the present invention is limited.
shown in Fig. 1-2, a kind of driving belt swing wheel decelerator, comprise the input shaft 1 and the output shaft 10 that are docked in a cavity, also include quiet external toothing 5 in described cavity, driving belt 6, moving external toothing 7, adjustable eccentric cover 9, described adjustable eccentric cover center drilling is enclosed within on input shaft and this eccentric bushing excircle is installed moving external toothing 7, described quiet external toothing is fixed on cavity the inner faces the wall and meditates, and the driving belt 6 of the flexibility that installation is complementary on quiet external toothing, the driving belt of described flexibility overlaps at close adjustable eccentric and is meshed with moving external toothing on the direction of axle center and contacts with the face of moving external toothing formation cylindrical radial face, described moving external toothing is connected by bearing pin 8 with the output shaft end face.Described cavity is made of support and the input direction end cap 11 and the outbound course end cap 13 that cover in the support both ends of the surface, side, described moving external toothing two ends is provided with quiet external toothing, and two quiet external toothings are separately fixed on the end face inwall of input direction end cap and outbound course end cap.
also comprise the driving belt automatic compensator, this device mainly comprises initiatively voussoir 3, driven voussoir 4, axial deep hole is offered at described input shaft center, and offer square hole perpendicular to axial direction at the input shaft sidewall that is positioned at adjustable eccentric cover position, this square hole and above-mentioned deep hole connect, described square hole extends to deep hole inside always in the two side of axial direction, be that deep hole is at the crescent moon platform that is positioned at the inner both sides of square hole position formation deep hole, initiatively voussoir is set in the deep hole between the crescent moon platform of described both sides, be placed with the driven voussoir that matches with the active voussoir in square hole, described driven voussoir presses closer outside square hole on adjustable eccentric cover 9.Described active voussoir is being provided with spring 2 towards the deep hole opening direction, and described spring is compressed by the jackscrew at rear; Described adjustable eccentric cover center drilling diameter is greater than the diameter of input shaft.The described bearing pin that is connected on the output shaft end face arranges two at least, as shown in the figure, the present embodiment adopts six bearing pins, offer the hole of inserting for the bearing pin the other end on described moving external toothing, and this bore dia offset of adding the adjustable eccentric cover more than or equal to pin diameter adds two times of compensation rates of driving belt automatic compensator again.Described driving belt comprises synchronous cog belt or chain or steel band.When driving belt was used steel band: quiet external toothing and moving external toothing were the cylndrical surface, namely avoided number of teeth restriction, realized large cornerite rolling static friction state underdrive, and velocity ratio can infinity and non-integer compare transmission; Described moving external toothing diameter is during greater than quiet external toothing diameter, input shaft and output shaft rotating in same direction.
The lax compensation of driving belt function principle: the active voussoir 3 in input shaft 1 promotes driven voussoir 4 under the effect of spring 2 and adjustable eccentric overlaps 9 to radially ejecting, driving outside moving external toothing 7 axle center and moving, realize that moving external toothing 7 and quiet external toothing 5 throw of eccentric strengthen to compensate the lax of driving belt, improve transmission accuracy, reduce rotational noise, increase the service life.
The above is only preferred embodiment of the present invention, and non-in order to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (7)
1. driving belt swing wheel decelerator, comprise the input shaft and the output shaft that are docked in a cavity, it is characterized in that, also include quiet external toothing in described cavity, driving belt, moving external toothing, the adjustable eccentric cover, described adjustable eccentric cover center drilling is enclosed within on input shaft and this eccentric bushing excircle is installed around self rotating moving external toothing, described quiet external toothing is fixed on cavity the inner faces the wall and meditates, and the flexible driving band that installation is complementary on quiet external toothing, described flexible driving band overlaps at close adjustable eccentric and is meshed with moving external toothing on the direction of axle center and contacts with the face of moving external toothing formation cylindrical radial face, described moving external toothing is connected by bearing pin with the output shaft end face.
2. a kind of driving belt swing wheel decelerator according to claim 1, it is characterized in that, also comprise the driving belt automatic compensator, this device mainly comprises initiatively voussoir, driven voussoir, axial deep hole is offered at described input shaft center, and offer square hole perpendicular to axial direction at the input shaft sidewall that is positioned at adjustable eccentric cover position, this square hole and above-mentioned deep hole connect, described square hole extends to deep hole inside always in the two side of axial direction, be that deep hole is at the crescent moon platform that is positioned at the inner both sides of square hole position formation deep hole, initiatively voussoir is set in the deep hole between the crescent moon platform of described both sides, be placed with the driven voussoir that matches with the active voussoir in square hole, described driven voussoir presses closer at adjustable eccentric outside square hole and puts.
3. a kind of driving belt swing wheel decelerator according to claim 2, is characterized in that, described active voussoir is being provided with spring towards the deep hole opening direction, and described spring is compressed by the jackscrew at rear; Described adjustable eccentric cover center drilling diameter is greater than the diameter of input shaft.
4. a kind of driving belt swing wheel decelerator according to claim 1, it is characterized in that, the described bearing pin that is connected on the output shaft end face arranges two at least, described moving external toothing offers the hole of inserting for the bearing pin the other end, and this bore dia offset of adding the adjustable eccentric cover more than or equal to pin diameter adds two times of compensation rates of driving belt automatic compensator again.
5. a kind of driving belt swing wheel decelerator according to claim 1, it is characterized in that, described cavity is made of support and the input direction end cap and the outbound course end cap that cover in the support both ends of the surface, described moving external toothing end face both sides are provided with quiet external toothing, on facing the wall and meditating in the inner that two quiet external toothings are separately fixed at input direction end cap and outbound course end cap.
6. a kind of driving belt swing wheel decelerator according to claim 1, is characterized in that, described driving belt comprises synchronous cog belt or chain or steel band.
7. a kind of driving belt swing wheel decelerator according to claim 1, is characterized in that, described moving external toothing diameter is during greater than quiet external toothing diameter, input shaft and output shaft rotating in same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100577673A CN103133627A (en) | 2013-02-25 | 2013-02-25 | Wobbler reducer with driving belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100577673A CN103133627A (en) | 2013-02-25 | 2013-02-25 | Wobbler reducer with driving belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103133627A true CN103133627A (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100577673A Pending CN103133627A (en) | 2013-02-25 | 2013-02-25 | Wobbler reducer with driving belt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488485A (en) * | 2019-07-16 | 2019-11-22 | 哈尔滨新光光电科技股份有限公司 | A kind of two-dimentional coupling optical pendulum lens device based on Steel Belt Transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2316484A1 (en) * | 1975-07-01 | 1977-01-28 | Duchaussoy Camille | Epicyclic or hypocyclic gear train construction - has toothed belts carried on input and output drums connected by pinions on eccentric |
| CN2258239Y (en) * | 1996-04-01 | 1997-07-23 | 何卫东 | Double-crank annular plate cycloidal pin-wheel speed reducer |
| CN1566725A (en) * | 2003-07-10 | 2005-01-19 | 于杰 | Big velocity ratio speed-changing mechanism |
| CN200993193Y (en) * | 2006-12-29 | 2007-12-19 | 上海师范大学 | Hole-pin hypo translation needle wheel cycloid planetary reducer |
| WO2010004880A1 (en) * | 2008-07-09 | 2010-01-14 | Ntn株式会社 | Reduction gear and variable valve timing device using same |
| CN203082156U (en) * | 2013-02-25 | 2013-07-24 | 田达 | Driving belt cycloidal wheel reducer |
-
2013
- 2013-02-25 CN CN2013100577673A patent/CN103133627A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2316484A1 (en) * | 1975-07-01 | 1977-01-28 | Duchaussoy Camille | Epicyclic or hypocyclic gear train construction - has toothed belts carried on input and output drums connected by pinions on eccentric |
| CN2258239Y (en) * | 1996-04-01 | 1997-07-23 | 何卫东 | Double-crank annular plate cycloidal pin-wheel speed reducer |
| CN1566725A (en) * | 2003-07-10 | 2005-01-19 | 于杰 | Big velocity ratio speed-changing mechanism |
| CN200993193Y (en) * | 2006-12-29 | 2007-12-19 | 上海师范大学 | Hole-pin hypo translation needle wheel cycloid planetary reducer |
| WO2010004880A1 (en) * | 2008-07-09 | 2010-01-14 | Ntn株式会社 | Reduction gear and variable valve timing device using same |
| CN203082156U (en) * | 2013-02-25 | 2013-07-24 | 田达 | Driving belt cycloidal wheel reducer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488485A (en) * | 2019-07-16 | 2019-11-22 | 哈尔滨新光光电科技股份有限公司 | A kind of two-dimentional coupling optical pendulum lens device based on Steel Belt Transmission |
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Application publication date: 20130605 |