CN103234005A - High-bearing-capacity cycloidal pin wheel speed reducer - Google Patents
High-bearing-capacity cycloidal pin wheel speed reducer Download PDFInfo
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- CN103234005A CN103234005A CN2013101846022A CN201310184602A CN103234005A CN 103234005 A CN103234005 A CN 103234005A CN 2013101846022 A CN2013101846022 A CN 2013101846022A CN 201310184602 A CN201310184602 A CN 201310184602A CN 103234005 A CN103234005 A CN 103234005A
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Abstract
The invention relates to a high-bearing-capacity cycloidal pin wheel speed reducer. The high-bearing-capacity cycloidal pin wheel speed reducer comprises an input portion, a speed reduction portion and an output portion, wherein the input portion comprises a flange plate and an input shaft; the output portion comprises an engine seat and an output shaft; and the speed reduction portion comprises a 180-degree-staggered double-eccentric support member, two cycloidal wheels and a plurality of pin shafts, a pin sleeve and a pin gear assembly, wherein the pin shafts and the pin sleeve are connected with the cycloidal wheels and the output shaft. The high-bearing-capacity cycloidal pin wheel speed reducer is characterized in that the pin gear assembly consists of a pin gear housing and a plurality of gear pins; two end surfaces of the pin gear housing are respectively compressed with the inner end surfaces of the flange plate and the engine seat, and the pin gear housing, the flange plate and the engine seat are fixedly connected by bolts; and arc-shaped grooves are uniformly formed in the inner circle of the pin gear housing, and the gear pins are mounted in the arc-shaped grooves one by one. By utilizing the technical scheme, the contact areas between the gear pins and the pin gear housing are increased; and compared with the conventional structure, for the high-bearing-capacity cycloidal pin wheel speed reducer, the gear pins are uniformly extruded on the whole axial length, so that the rigidity of the gear pins is substantially increased, the deformation of the gear pins is avoided when an input torque is properly increased, the noise and the temperature rise caused by the deformation are reduced, and finally the bearing capacity of the whole speed reducer is improved.
Description
Technical field
The present invention relates to cycloidal reducer, particularly a kind of cycloidal-pin wheel retarder with high-bearing capacity.
Background technique
The cycloidal-pin wheel retarder is a kind of novel gearing that adopts the engagement of cycloid pin tooth, planetary drive with small teeth difference principle to design according to JB/T2982-94, and it is made of input part, deceleration part and output.Wherein constitute the important structure that the pin tooth assembly is deceleration part by pin wheel housing, gear pin and pin gear sleeve, its annexation is: gear pin is uniformly distributed along the circumference and is inserted on the pin wheel housing, and pin gear sleeve is sleeved on the gear pin.Pin gear sleeve contacts with the outer flank of tooth of cycloid wheel.There is the little deficiency of bearing capacity in use in above-mentioned cycloidal-pin wheel retarder, main cause is: leave certain clearance between the periphery of pin gear sleeve and the pin wheel housing, it is the unsettled setting of counterpart of pin gear sleeve and gear pin, under the effect of cycloid wheel, the local location that contacts with pin wheel housing at gear pin forms shearing force, cause gear pin rigidity variation, and the contact position of the outer flank of tooth of cycloid wheel and pin gear sleeve is one of three force localization positions of deceleration part, when input torque suitably increases, be that bearing capacity is when reaching certain value, deformation takes place in gear pin under the excessive squeezing action of cycloid wheel, occur the problem of noise and temperature rise simultaneously.
Summary of the invention
The present invention provides a kind of raising rigidity for solving the technical problem that exists in the known technology, reduces noise and temperature rise, thereby improves the high-bearing capacity cycloidal reducer of bearing capacity.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is:
A kind of high-bearing capacity cycloidal-pin wheel retarder comprises input part, deceleration part and output; Described input part comprises flange plate and input shaft, and input shaft rotates and is supported on the flange plate; Described output comprises support and output shaft, and the output shaft rotational support is on support; Described deceleration part comprise 180 ° of dislocation two eccentric supporting element, be set in two cycloid wheel on two eccentric supporting elements, connection two cycloid wheel and output shaft and along a plurality of bearing pins of circumferential arrangement and guide, with the pin tooth assembly that the outer flank of tooth of cycloid wheel matches, it is characterized in that: described pin tooth assembly is made of pin wheel housing and a plurality of gear pin; The both ends of the surface of described pin wheel housing compress mutually with the interior edge face of flange plate, the interior edge face of support respectively, and the three is connected by bolt; Be laid with the arc groove consistent with the periphery of gear pin on the inner ring of described pin wheel housing, described gear pin is installed in the described arc groove one by one.
The present invention can also adopt following technological scheme:
Described two eccentric supporting element is the two eccentric roller bearing structures of full dress, and it comprises the two eccentric inner ring that is 180 ° of dislocation, is equipped with circular orbit slot at two eccentric excircle faces of two eccentric inner rings; It also comprises the cylindrical roller that completely is loaded in two circular orbit slots.
The interior edge face of described two cycloid wheel aligns mutually and compresses.
At least one side end face of described pin wheel housing is provided with positioning boss, forms the positioning groove that shoulder cooperates or/and the interior edge face of support is provided with positioning boss on the interior edge face of described flange plate.
Advantage and good effect that the present invention has are:
The present invention adopts technique scheme, and gear pin is directly installed in the arc groove, and the back side of gear pin all is fitted in the pin wheel housing, thereby has increased the area of contact of gear pin and pin wheel housing.This mounting structure is than the existing unsettled structure that arranges, squeezing action lower pin gear pin in cycloid wheel is evenly pushed on whole axial length, avoided forming shearing force at the local contact position of gear pin and pin wheel housing, thereby increased substantially the rigidity of gear pin, avoided under the situation that input torque suitably increases, gear pin generation deformation, and then also reduced noise and the temperature rise that is produced by deformation, finally improved the bearing capacity of whole retarder; In addition, the technical program has been saved pin gear sleeve than prior art, thereby also simplifies the structure, and has reduced manufacturing and assembly cost.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that cycloid wheel among Fig. 1, gear pin and pin wheel housing cooperate;
Fig. 3 is the A place partial enlarged drawing of Fig. 1.
Among the figure: 1, flange plate; 2, input shaft; 3, support; 4, output shaft; 5, two eccentric supporting elements; 5-1, two eccentric inner ring; 5-2, cylindrical roller; 6, cycloid wheel; 7, bearing pin; 8, guide; 9, pin tooth assembly; 9-1, pin wheel housing; 9-1-1, arc groove; 9-1-2, positioning boss; 9-2, gear pin.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1-3, a kind of high-bearing capacity cycloidal-pin wheel retarder comprises input part, deceleration part and output.Described input part comprises flange plate 1 and input shaft 2, and input shaft passes through the bearing rotational support on flange plate.Described output comprises support 3 and output shaft 4, and output shaft passes through the bearing rotational support on support.Described deceleration part comprise 180 ° of dislocation two eccentric supporting element 5, be set in two cycloid wheel 6 on two eccentric supporting elements, connection two cycloid wheel and output shaft and along a plurality of bearing pins 7 of circumferential arrangement and guide 8, the pin tooth assembly 9 that matches with the outer flank of tooth of cycloid wheel.Concrete, two cycloid wheel are set on the two eccentric excircle faces of two eccentric supporting elements.One end of each bearing pin is inserted in the pin-and-hole that is located on the output shaft, and the other end suit of bearing pin guide, and guide is inserted in the mounting hole that is located at two cycloid wheel.Described pin tooth assembly is made of pin wheel housing 9-1 and a plurality of gear pin 9-2.The both ends of the surface of described pin wheel housing compress mutually with the interior edge face of flange plate, the interior edge face of support respectively, and the three is connected by bolt.Be laid with the arc groove 9-1-1 consistent with the periphery of gear pin on the inner ring of described pin wheel housing, described gear pin is installed in the described arc groove one by one.Concrete, when retarder was worked, each gear pin was compressed in the space of corresponding circle arc fluting and the wherein outer flank of tooth formation of a cycloid wheel.
In the said structure, described two eccentric supporting elements can adopt common two eccentric bushings and be installed in the outer plain bearing structure of two eccentric bushings.In the present invention, described two eccentric supporting elements preferably adopt the two eccentric roller bearing structures of full dress, and concrete structure is: comprise the two eccentric inner ring 5-1 that is 180 ° of dislocation, be equipped with circular orbit slot at two eccentric excircle faces of two eccentric inner rings.Also comprise the cylindrical roller 5-2 that completely is loaded in two circular orbit slots.Concrete, a plurality of cylindrical roller compactnesses are arranged, and close to the zero clearance, a plurality of cylindrical rollers form the state of completely adorning in the full annular rail slot between the adjacent rollers.The two eccentric roller bearing structures of above-mentioned full dress are than existing structure, reduced radial dimension, therefore can reduce the diameter of bore of cycloid wheel, effectively increase the endoporus of cycloid wheel and the radial dimension of guide mounting hole, thereby improved the intensity of cycloid wheel and further improved the bearing capacity of whole retarder.
In the said structure, the structure that the preferred interior edge face in the mutual alignment of described two cycloid wheel aligns mutually and compresses, namely the interior edge face of two cycloid wheel directly contacts.This structure is than the existing structure that spacer sleeve is set between two cycloid wheel, shortened the span of bearing pin and reduced the length of bearing pin, thereby improved the non-deformability of bearing pin and the stationarity of transmission, and made that overall structure is compacter, volume is littler.
In the said structure, at least one side end face of described pin wheel housing is provided with positioning boss 9-1-2, forms the positioning groove that shoulder cooperates or/and the interior edge face of support is provided with positioning boss on the interior edge face of described flange plate.Above-mentioned shoulder cooperates the formation seam, has improved soundness and stability that pin wheel housing, flange plate and support three are connected, has reduced the impact failure of retarder circular runout at work to support, thereby has finally improved the bearing capacity of retarder.
Working principle of the present invention:
Power source inputs to deceleration part by input shaft with power, input shaft is connected with two eccentric supporting elements by key, two eccentric supporting elements produce two eccentric motions of 180 ° each other, drive two cycloid wheel that are sleeved on the outside during its rotation and do eccentric the rolling, the deflection that two eccentric supporting elements produce moving be installed in pin wheel housing on the pin tooth match, formed reverse eccentric rolling of cycloid wheel, cycloid wheel drives guide and bearing pin backward rotation, bearing pin is inserted in output shaft one end again, drives output shaft simultaneously and realizes that oppositely output is rotated.
Claims (4)
1. a high-bearing capacity cycloidal-pin wheel retarder comprises input part, deceleration part and output; Described input part comprises flange plate and input shaft, and input shaft rotates and is supported on the flange plate; Described output comprises support and output shaft, and the output shaft rotational support is on support; Described deceleration part comprise 180 ° of dislocation two eccentric supporting element, be set in two cycloid wheel on two eccentric supporting elements, connection two cycloid wheel and output shaft and along a plurality of bearing pins of circumferential arrangement and guide, with the pin tooth assembly that the outer flank of tooth of cycloid wheel matches, it is characterized in that: described pin tooth assembly is made of pin wheel housing and a plurality of gear pin; The both ends of the surface of described pin wheel housing compress mutually with the interior edge face of flange plate, the interior edge face of support respectively, and the three is connected by bolt; Be laid with the arc groove consistent with the periphery of gear pin on the inner ring of described pin wheel housing, described gear pin is installed in the described arc groove one by one.
2. high-bearing capacity cycloidal-pin wheel retarder according to claim 1, it is characterized in that: described two eccentric supporting elements are the two eccentric roller bearing structures of full dress, it comprises the two eccentric inner ring that is 180 ° of dislocation, is equipped with circular orbit slot at two eccentric excircle faces of two eccentric inner rings; It also comprises the cylindrical roller that completely is loaded in two circular orbit slots.
3. high-bearing capacity cycloidal-pin wheel retarder according to claim 2, it is characterized in that: the interior edge face of described two cycloid wheel aligns mutually and compresses.
4. according to the arbitrary described high-bearing capacity cycloidal-pin wheel retarder of claim 1-3, it is characterized in that: at least one side end face of described pin wheel housing is provided with positioning boss, forms the positioning groove that shoulder cooperates or/and the interior edge face of support is provided with positioning boss on the interior edge face of described flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101846022A CN103234005A (en) | 2013-05-17 | 2013-05-17 | High-bearing-capacity cycloidal pin wheel speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101846022A CN103234005A (en) | 2013-05-17 | 2013-05-17 | High-bearing-capacity cycloidal pin wheel speed reducer |
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| CN103234005A true CN103234005A (en) | 2013-08-07 |
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| CN2013101846022A Pending CN103234005A (en) | 2013-05-17 | 2013-05-17 | High-bearing-capacity cycloidal pin wheel speed reducer |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952779A (en) * | 2016-04-27 | 2016-09-21 | 浙江大学 | RV reducer spindle fixed-pressure pre-tightening structure and method |
| CN107237866A (en) * | 2017-07-04 | 2017-10-10 | 东莞巍腾思坦自动化科技有限公司 | A kind of planet knuckle-tooth formula decelerator |
| CN107387677A (en) * | 2017-07-31 | 2017-11-24 | 扬州元新机电科技有限公司 | A kind of combination bearing planet-cycloid reducer |
| CN107850116A (en) * | 2015-06-26 | 2018-03-27 | Sri国际公司 | Pure rolling cycloid with variable effective diameter roller |
| CN109139814A (en) * | 2018-10-30 | 2019-01-04 | 广东技术师范学院 | A kind of cycloidal-pin gear speed reducer |
| CN109667892A (en) * | 2019-01-28 | 2019-04-23 | 湖北斯微特传动有限公司 | Miniature reducer with big speed ratio and its needle tooth locating flange installation method |
| CN109681585A (en) * | 2019-01-28 | 2019-04-26 | 湖北斯微特传动有限公司 | Export quick links mechanism and retarder |
| CN109826938A (en) * | 2019-01-28 | 2019-05-31 | 湖北斯微特传动有限公司 | Output mechanism and retarder |
| CN110230665A (en) * | 2019-05-31 | 2019-09-13 | 温州市日康烟具厂 | Bearing-type Hypocycloid pinwheel retarder |
| CN110529559A (en) * | 2018-05-25 | 2019-12-03 | 昆山光腾智能机械有限公司 | Needle tooth cycloidal reducer and industrial robot |
| CN110838773A (en) * | 2018-08-16 | 2020-02-25 | 吕奕群 | Speed reducing mechanism for rolling shutter door |
| CN111156309A (en) * | 2020-01-15 | 2020-05-15 | 广东中昇华控智能科技股份有限公司 | Mounting method of RV reducer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62233540A (en) * | 1986-04-03 | 1987-10-13 | Nachi Fujikoshi Corp | Output shaft supporting device for planetary reduction gear |
| CN2668919Y (en) * | 2003-12-11 | 2005-01-05 | 张立芳 | Dual-eccentric hollow cylinder roller bearing |
| CN2854208Y (en) * | 2005-07-04 | 2007-01-03 | 天津减速机股份有限公司 | Planet cycloid pinwheel reducing machine |
| CN102003500A (en) * | 2010-11-29 | 2011-04-06 | 广州数控设备有限公司 | Cycloid speed reducer |
| CN102797797A (en) * | 2011-05-27 | 2012-11-28 | 吴小杰 | Three-ring decelerator with high bearing capacity |
| CN203309023U (en) * | 2013-05-17 | 2013-11-27 | 天津百利天星传动有限公司 | High-bearing-capacity cycloid pin wheel speed reducer |
-
2013
- 2013-05-17 CN CN2013101846022A patent/CN103234005A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62233540A (en) * | 1986-04-03 | 1987-10-13 | Nachi Fujikoshi Corp | Output shaft supporting device for planetary reduction gear |
| CN2668919Y (en) * | 2003-12-11 | 2005-01-05 | 张立芳 | Dual-eccentric hollow cylinder roller bearing |
| CN2854208Y (en) * | 2005-07-04 | 2007-01-03 | 天津减速机股份有限公司 | Planet cycloid pinwheel reducing machine |
| CN102003500A (en) * | 2010-11-29 | 2011-04-06 | 广州数控设备有限公司 | Cycloid speed reducer |
| CN102797797A (en) * | 2011-05-27 | 2012-11-28 | 吴小杰 | Three-ring decelerator with high bearing capacity |
| CN203309023U (en) * | 2013-05-17 | 2013-11-27 | 天津百利天星传动有限公司 | High-bearing-capacity cycloid pin wheel speed reducer |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850116A (en) * | 2015-06-26 | 2018-03-27 | Sri国际公司 | Pure rolling cycloid with variable effective diameter roller |
| CN107850116B (en) * | 2015-06-26 | 2019-12-10 | Sri国际公司 | Transmission device |
| CN105952779A (en) * | 2016-04-27 | 2016-09-21 | 浙江大学 | RV reducer spindle fixed-pressure pre-tightening structure and method |
| CN107237866A (en) * | 2017-07-04 | 2017-10-10 | 东莞巍腾思坦自动化科技有限公司 | A kind of planet knuckle-tooth formula decelerator |
| CN107387677A (en) * | 2017-07-31 | 2017-11-24 | 扬州元新机电科技有限公司 | A kind of combination bearing planet-cycloid reducer |
| CN110529559A (en) * | 2018-05-25 | 2019-12-03 | 昆山光腾智能机械有限公司 | Needle tooth cycloidal reducer and industrial robot |
| CN110838773A (en) * | 2018-08-16 | 2020-02-25 | 吕奕群 | Speed reducing mechanism for rolling shutter door |
| CN109139814A (en) * | 2018-10-30 | 2019-01-04 | 广东技术师范学院 | A kind of cycloidal-pin gear speed reducer |
| CN109681585A (en) * | 2019-01-28 | 2019-04-26 | 湖北斯微特传动有限公司 | Export quick links mechanism and retarder |
| CN109826938A (en) * | 2019-01-28 | 2019-05-31 | 湖北斯微特传动有限公司 | Output mechanism and retarder |
| CN109667892A (en) * | 2019-01-28 | 2019-04-23 | 湖北斯微特传动有限公司 | Miniature reducer with big speed ratio and its needle tooth locating flange installation method |
| CN110230665A (en) * | 2019-05-31 | 2019-09-13 | 温州市日康烟具厂 | Bearing-type Hypocycloid pinwheel retarder |
| CN111156309A (en) * | 2020-01-15 | 2020-05-15 | 广东中昇华控智能科技股份有限公司 | Mounting method of RV reducer |
| CN111156309B (en) * | 2020-01-15 | 2022-03-08 | 广东中昇华控智能科技股份有限公司 | Mounting method of RV reducer |
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Application publication date: 20130807 |