CN201412480Y - Rod-type output speed reducer - Google Patents
Rod-type output speed reducer Download PDFInfo
- Publication number
- CN201412480Y CN201412480Y CN2009201084441U CN200920108444U CN201412480Y CN 201412480 Y CN201412480 Y CN 201412480Y CN 2009201084441 U CN2009201084441 U CN 2009201084441U CN 200920108444 U CN200920108444 U CN 200920108444U CN 201412480 Y CN201412480 Y CN 201412480Y
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- China
- Prior art keywords
- output
- plate
- ring flat
- bearing
- connecting rod
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- Expired - Fee Related
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a rod-type output speed reducer. The rod-type output speed reducer comprises a housing, a front end cover, a rear end cover, an input crank, an output shaft disk and so on,wherein the input crank is parallel to a first output connection rod and a second output connection rod; the input crank is an eccentric crank with two turnings; the first output connection rod and the second connection rod are eccentric cranks with one turning; a first annular plate and a second annular plate are sleeved on the input crank, the first connection rod and the second output connection rod through bearings; the input crank is supported by the bearing to drive the first annular plate and the second annular plate; the first annular plate and the second annular plate are engaged with a ring gear to achieve small tooth difference transmission; the second output connection rod is mounted on the output shaft disk through a third bearing to pull the output shaft disk directly; the input crank is coaxial to the output shaft disk; a balance block opposite to the gravity center of the first annular plate is arranged on the input crank and on one side of the first annular plate; andone end of the input crank is supported on the output shaft disk through a fourth bearing. The rod-type output speed reducer has the advantages of compact structure and easy implementation.
Description
Technical field:
The utility model relates to a kind of mechanical transmissioning technology field, particularly retarder technical field.
Background technique:
In the modern industry field, retarder equipment has obtained using widely.Three-ring speed reducer of the prior art has that bearing capacity is strong, anti-overload ability is big, characteristics such as production reliability height, velocity ratio is big, efficient is high, long service life, easy to maintenance, cost performance height continuously, be widely used in industries such as metallurgy, mine, lifting transportation, building, petrochemical industry, textile printing and dyeing, formed series product.
In numerous areas, the three-ring type retarder has substituted hard flank of tooth planetary reducer, cycloidal-pin wheel retarder, cylinder gear speed reducer and worm type of reduction gearing.Three-ring type reducing gear of the prior art, because there is the dead point in single quadratic crank mechanism in running, in order to overcome problems such as dead point, the three-ring type retarder is 120 ° of phase differences side by side by three identical internal tooth ring plates, internal tooth ring plate is equivalent to the connecting rod of quadratic crank mechanism, owing to there is too much constraint, the three-ring type retarder is in running, when especially the high rotating speed of bent axle is imported, can produce bigger vibration and noise, because structures shape is difficult to do dynamic balancing and handles, therefore traditional three-ring type retarder exists the speed of crankshaft upper limit limited and be difficult to realize the problem of user with the requirement of shaft drive, it is applied be restricted.
Chemical Industry Press is in " in the 14th piece of 14-468 page or leaf of the 4th edition the 3rd volume of chemical machinery handbook of in January, 2002 publication, disclose a kind of crank speed reducer (2Z-V type), this retarder has solved traditional three-ring speed reducer with shaft drive and the limited problem of speed of crankshaft.But, this crank speed reducer requires arbitrary bent axle and the prestage gear in its hyperbolic axle and afterwards maintains the particular angular relationships of degree of precision between two external gear ring flat-plates of level, therefore manufacturing, assembly precision are had relatively high expectations, simultaneously shelving combination rigidity is also had higher requirements.So this structure often exists shelving combination poor rigidity, bearing capacity additional moment less, that the crank structure reliability is relatively poor, centrifugal force causes not to have problems such as balance, ring flat-plate bearing life be low.Other circle translation crank speed reducers of the prior art, having common defective is various, the maintenance difficult of complex structure, component, is difficult to the product that realization has the formedness price ratio in actual production process.The technological scheme output mechanism that also has adopts bearing pin to stir, and as the cycloidal-pin wheel structure, but takes the shortcoming of this technological scheme to be, has sliding friction, causes the efficient of retarder lower, because the accuracy of manufacturing error causes each bearing pin stressed irregular, easily cuts axle.
The model utility content
Technical problem to be solved in the utility model is, a kind of reliability height, manufacturability is strong, simple in structure, volume is little, bearing capacity is strong retarder are provided.
For solving the problems of the technologies described above, the utility model provides following technological scheme:
A kind of rod type output decelerator, include casing, front cover, rear end cover, the input bent axle, output reel etc., it is characterized in that: input bent axle and two output connecting rods one, be parallel to each other between two output connecting rods two, output connecting rod one, output connecting rod two is combined into crankshaft-link rod, the input bent axle is the eccentric crankshaft with 2 crank throws, output connecting rod one, output connecting rod two is the eccentric crankshafts with 1 crank throw, ring flat-plate one and ring flat-plate two are by bearing one, bearing two is sleeved on input bent axle and output connecting rod one, on the output connecting rod two, the input bent axle is by bearing one supporting and drive ring flat-plate one and ring flat-plate two, ring flat-plate one is identical with ring flat-plate two numbers of teeth, and the phase difference of its tooth is 180 °, realize few tooth difference transmission with the ring gear engagement, ring gear is fixed in the casing, ring flat-plate one and ring flat-plate two with the dynamic engagement process of ring gear in, phase difference is 180 ° all the time, two output connecting rods two are installed on the output reel by bearing three, the input bent axle is in same axis with the position of output reel, the input bent axle on and ring flat-plate one by one side be furnished with and the opposite equilibrium block of ring flat-plate one center of gravity, the input bent axle an end by bearing four be bearing in output reel on.
Wherein, be installed on the output reel by bearing three by n root output connecting rod two.
Wherein, the as a whole output connecting rod of crankshaft-link rod, whole output connecting rod has the eccentric crankshaft of 2 crank throws, is detachable assemblying body.
The utlity model has following beneficial effect:
1, directly stir the output reel to n root output connecting rod two for 2, output mechanism is simple in structure, the reliability height, and output connecting rod two is stressed evenly, and rolling friction is difficult for cutting axle, has greatly improved the manufacturability of manufacturing, assembling and maintenance, has saved cost.
2, input bent axle of the present utility model directly drives ring flat-plate one and ring flat-plate two, has solved few tooth difference transmission dead unit problem of 180 ° of phase places of traditional three-ring speed reducer.
3, the influence that is caused for the additional moment imbalance of eliminating traditional three-ring speed reducer ring flat-plate centrifugal force generation, principle according to power and equalising torque, adopt two external tooth ring flat-plates that the identical number of teeth is arranged, ring flat-plate one and ring flat-plate two phase difference in dynamic engagement are 180 °, import simultaneously the bent axle upper ring plate one by one side be furnished with and the opposite equilibrium block of ring flat-plate one center of gravity.Like this, can guarantee this retarder in the running equilibrium block, ring flat-plate one and ring flat-plate two centrifugal action point-blank, realize eliminating to greatest extent the influence that additional moment imbalance that traditional three-ring speed reducer produces because of ring flat-plate centrifugal force is caused thereby the action direction of its power is opposite, input speed greatly improves, and the product application surface is greatly widened.
4, the utility model basic model inside does not have high gear, and ring flat-plate one and ring flat-plate two are done round translation, and linear velocity is very low, and noise is little.
Description of drawings:
Fig. 1 is a principle schematic of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is along the sectional view of C-C line among Fig. 2;
Fig. 4 is output connecting rod one structural representation;
Fig. 5 is output connecting rod two structural representations;
Fig. 6 is whole output bar linkage structure schematic representation;
Label declaration:
Output connecting rod 25; Output reel 6; Ring flat-plate 27; Ring flat-plate 1;
Bearing 6 17; Whole output connecting rod 18 keys 19 combination block 20
Embodiment:
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the utility model is by an input bent axle 1, equilibrium block 2, two output connecting rods 1, two output connecting rods 25, a slice ring flat-plate 1, a slice ring flat-plate 27, ring gear 4, an output reel 6, and compositions such as casing 9, front cover 10, rear end cover 11.
Output reel 6 one ends are equipped with bearing 5 12, bearing 5 12 arranged outside have rear end cover 11, input bent axle 1 one ends place on the front cover 10 by bearing 6 17, and the other end places on the output reel 6 by bearing 4 13, and said structure forms axle sealing structure respectively on output reel 6 and input bent axle 1
Wherein import bent axle 1 and two output connecting rods 1, be parallel to each other between two output connecting rods 25, output connecting rod 1, output connecting rod 25 is combined into crankshaft-link rod, input bent axle 1 is the eccentric crankshaft with 2 crank throws, output connecting rod 1, output connecting rod 25 is the eccentric crankshafts with 1 crank throw, ring flat-plate 1 and ring flat-plate 27 are by bearing 1, bearing 2 15 is sleeved on input bent axle 1 and output connecting rod 1, on the output connecting rod 25, input bent axle 1 is by bearing one 16 supportings and drive ring flat-plate 1 and ring flat-plate 27, ring flat-plate 1 is identical with ring flat-plate 27 numbers of teeth, and the phase difference of its tooth is 180 °, realize few tooth difference transmission with ring gear (4) engagement, ring gear 4 is fixed in the casing 9, ring flat-plate 1 and ring flat-plate 27 with the dynamic engagement process of ring gear 4 in, phase difference is 180 ° all the time, two output connecting rods 25 are installed on the output reel 6 by bearing 3 14, input bent axle 1 is in same axis with the position of output reel 6, reach ring flat-plate one 8 one sides and be furnished with the equilibrium block 2 opposite with ring flat-plate one 8 centers of gravity on input bent axle 1, an end of input bent axle 1 is bearing on the output reel 6 by bearing 4 13.
By input bent axle 1, forming with two output connecting rods 1 is crank, is the quadratic crank mechanism of connecting rod with ring flat-plate 1, and the theoretical spin axis of wherein exporting connecting rod 1 is that the axis with the mounting hole of output reel 6 upper bearing (metal)s 3 14 is an axis.In like manner by input bent axle 1, forming with two output connecting rods 25 is crank, is the second cover quadratic crank mechanism of connecting rod with ring flat-plate 27, and the spin axis of wherein exporting connecting rod 25 is that the axis with the mounting hole of output reel 6 upper bearing (metal)s 3 14 is an axis.
Because ring flat-plate 1 and ring flat-plate 27 do not relatively rotate with output reel 6, serve as with reference to doing round translation just with output reel 6, directly stir output reel 6 output torques by two output connecting rods 25, so output reel 6 is to do to rotate synchronously under the drive of ring flat-plate 1 and ring flat-plate 27, ring flat-plate 1 is similar with ring flat-plate 27 transmission principles, difference is that ring flat-plate 27 directly drives output reel 6 by output connecting rod 25, ring flat-plate 1 is to drive ring flat-plate 27 by output connecting rod 1, has driven output reel 6 indirectly.
When high pulling torque needed, this device can need be designed to be installed on the output reel 6 by bearing 3 14 by n root output connecting rod 25 according to moment of torsion.
With reference to Fig. 4, Fig. 5, during the assembling of this device, because existing, crank throw interferes, crankshaft-link rod is designed to the split formula, be combined into crankshaft-link rod by output connecting rod 1, output connecting rod 25, output connecting rod 1 is the eccentric crankshafts with 1 crank throw with output connecting rod 25, the input bent axle 1 that drives ring flat-plate 1 and ring flat-plate 27 is the eccentric crankshaft with 2 crank throws, 180 ° each other of two crank throws, and eccentric distance is identical, the throw of eccentric of output connecting rod 1 is the throw of eccentric of 2 times input bent axle 1, and the throw of eccentric of output connecting rod 25 is identical with the throw of eccentric of input bent axle 1.
With reference to Fig. 6, during the assembling of this device, because existing, crank throw interferes, needs crankshaft-link rod according to technology also can be designed to integrated type, the as a whole output connecting rod 18 of crankshaft-link rod, interference portion is designed to combination block 20, and whole output connecting rod 18 is the eccentric crankshafts with 2 crank throws, is detachable assemblying body.
Claims (3)
1. rod type output decelerator, include casing, front cover, rear end cover, the input bent axle, output reel etc., it is characterized in that: input bent axle (1) and two output connecting rods one (3), be parallel to each other between two output connecting rods two (5), output connecting rod one (3), output connecting rod two (5) is combined into crankshaft-link rod, input bent axle (1) is the eccentric crankshaft with 2 crank throws, output connecting rod one (3), output connecting rod two (5) is the eccentric crankshaft with 1 crank throw, ring flat-plate one (8) and ring flat-plate two (7) are by bearing one (16), bearing two (15) is sleeved on input bent axle (1) and output connecting rod one (3), on the output connecting rod two (5), input bent axle (1) is by bearing one (16) supporting and drive ring flat-plate one (8) and ring flat-plate two (7), ring flat-plate one (8) is identical with ring flat-plate two (7) numbers of teeth, and the phase difference of its tooth is 180 °, realize few tooth difference transmission with ring gear (4) engagement, ring gear (4) is fixed in the casing (9), ring flat-plate one (8) and ring flat-plate two (7) with the dynamic engagement process of ring gear (4) in, phase difference is 180 ° all the time, two output connecting rods two (5) are installed on the output reel (6) by bearing three (14), input bent axle (1) is in same axis with the position of output reel (6), upward reach ring flat-plate one (8) one side at input bent axle (1) and be furnished with the equilibrium block (2) opposite with ring flat-plate one (8) center of gravity, an end of input bent axle (1) is bearing on the output reel (6) by bearing four (13).
2. rod type output decelerator according to claim 1 is installed on the output reel (6) by bearing three (14) by n root output connecting rod two (5).
3. rod type output decelerator according to claim 1, the as a whole output connecting rod of crankshaft-link rod (18), whole output connecting rod (18) has the eccentric crankshaft of 2 crank throws, is detachable assemblying body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201084441U CN201412480Y (en) | 2009-06-05 | 2009-06-05 | Rod-type output speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201084441U CN201412480Y (en) | 2009-06-05 | 2009-06-05 | Rod-type output speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412480Y true CN201412480Y (en) | 2010-02-24 |
Family
ID=41714364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201084441U Expired - Fee Related CN201412480Y (en) | 2009-06-05 | 2009-06-05 | Rod-type output speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412480Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352916A (en) * | 2011-10-26 | 2012-02-15 | 张宽友 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
| CN102506128A (en) * | 2011-11-03 | 2012-06-20 | 宁滨 | Star-shaped economizer |
| CN103267101A (en) * | 2013-04-28 | 2013-08-28 | 浙江澳太机械制造有限公司 | Planetary reducer with small teeth differences |
| CN109707838A (en) * | 2019-01-18 | 2019-05-03 | 天津工业大学 | A kind of few teeth difference unsymmetric gear planetary transmission system |
| US11486469B2 (en) * | 2020-11-05 | 2022-11-01 | Delta Electronics, Inc. | Cycloid speed reducer |
-
2009
- 2009-06-05 CN CN2009201084441U patent/CN201412480Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352916A (en) * | 2011-10-26 | 2012-02-15 | 张宽友 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
| CN102352916B (en) * | 2011-10-26 | 2013-08-28 | 张宽友 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
| CN102506128A (en) * | 2011-11-03 | 2012-06-20 | 宁滨 | Star-shaped economizer |
| CN102506128B (en) * | 2011-11-03 | 2014-08-27 | 宁滨 | Star-shaped economizer |
| CN103267101A (en) * | 2013-04-28 | 2013-08-28 | 浙江澳太机械制造有限公司 | Planetary reducer with small teeth differences |
| CN109707838A (en) * | 2019-01-18 | 2019-05-03 | 天津工业大学 | A kind of few teeth difference unsymmetric gear planetary transmission system |
| US11486469B2 (en) * | 2020-11-05 | 2022-11-01 | Delta Electronics, Inc. | Cycloid speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100020 Beijing city Chaoyang District East Third Ring Road No. 19 Building 10 room 1010 CY Patentee after: Beijing Ruidexin Universal Machinery Equipment Manufacturing Co.,Ltd Address before: 100026 No. 2 Tuanjiehu North Road, Beijing, Chaoyang District Patentee before: Beijing Ruidexin Universal Machinery Equipment Manufacturing Co.,Ltd |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20120605 |