CN105782394A - Rectangular axis steel ball speed reducer - Google Patents
Rectangular axis steel ball speed reducer Download PDFInfo
- Publication number
- CN105782394A CN105782394A CN201610223500.0A CN201610223500A CN105782394A CN 105782394 A CN105782394 A CN 105782394A CN 201610223500 A CN201610223500 A CN 201610223500A CN 105782394 A CN105782394 A CN 105782394A
- Authority
- CN
- China
- Prior art keywords
- bearing
- hole
- steel ball
- contiguous block
- wave device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a rectangular axis steel ball speed reducer. The rectangular axis steel ball speed reducer mainly comprises a box body, a bearing base A, an input shaft, a bearing A, a retainer ring A, a bearing C, a cylindrical pin A, a connecting block A, a cylindrical pin B, a wave exciter, a cylindrical pin C, a connecting block B, a cylindrical pin D, a steel ball, an output shaft, a bearing D, an adjusting spiral, a fixed plate, a screw, a bearing B, a bearing E and a retainer ring B. The speed reducer is simple and compact, adopts gap-less transmission, is low in noise, and can continuously eliminate gear side gaps of engagement pairs; the steel ball is engaged with a tooth-shaped groove of the output shaft, so that the friction resistance is low; and three pairs of engagement teeth are always provided, so that the bearing capacity is high.
Description
Technical field
The present invention relates to a kind of technical field of mechanical transmission, particularly relate to a kind of decelerator.
Background technology
Decelerator is ingredient important in mechanical industry, and its transmission performance directly affects the production efficiency of machinery, service behaviour and product quality.Producing backlash after modern high-accuracy drive mechanism abrasion, its transmission performance will necessarily decline, and only having tight mesh transmission cannot meet the requirement to transmission accuracy of the precision drive mechanism for the moment.Bevel gear engaging tooth logarithm is less, and there is backlash.Rectangular axis steel ball reducer can eliminate backlash, it is achieved the tight mesh transmission of decelerator, and the tooth logarithm participating in engagement is more.
Summary of the invention
In order to solve the weak point existed in above-mentioned technology, the present invention provides a kind of simple in construction, compact, bearing capacity strong, can eliminate the rectangular axis steel ball reducer of backlash.
The invention mainly comprises casing, bearing block A, power shaft, bearing A, baffle ring A, bearing C, straight pin A, contiguous block A, straight pin B, shock wave device, straight pin C, contiguous block B, straight pin D, steel ball, output shaft, bearings D, adjustable screw, fixing plate, screw, bearing B, bearing E and baffle ring B.
Wherein, casing is the hollow box body that cross section is at right angles trapezoidal, and the one side at casing is provided with horizontal through hole.Power shaft is plugged in the horizontal through hole of body side, and bearing A, baffle ring A and bearing B are socketed on power shaft successively, and one end of power shaft is processed as eccentric shaft, and one end of power shaft is placed in the outside of casing.The side of bearing block A is provided with dead eye, and the other end of power shaft is plugged in the dead eye of bearing block A, and the other end socket bearing C of power shaft, the outer ring of bearing C connects with the inwall of dead eye.The another side of bearing block A is processed as middle part and is provided with the fork-shaped link of through hole.Contiguous block A is provided with two orthogonal through holes, and straight pin A passes the horizontal through hole of the through hole in the middle part of the fork-shaped link of bearing block and contiguous block A, and bearing block A is connected by straight pin A with contiguous block A.One end of shock wave device is processed as middle part and is provided with the fork-shaped link of through hole, and straight pin B passes the vertical through hole of the through hole in the middle part of the fork-shaped link of shock wave device one end and contiguous block A, and shock wave device is connected by straight pin B with contiguous block A.The cross section of fixing plate is L-shaped, and fixing plate is placed in box house, and is connected by screw is fixing with the dovetail groove of box bottom.The vertical outer wall of fixing plate is provided with fork-shaped link, in the middle part of the fork-shaped link on fixing plate outer wall, is provided with through hole.Contiguous block B is provided with two orthogonal through holes, and the through hole in the middle part of the horizontal through hole of straight pin D traverse contiguous block B and fixing plate fork-shaped link, contiguous block B is connected by straight pin D with fixing plate.The other end of shock wave device is provided with vertical through hole, and straight pin C passes the vertical through hole of contiguous block B and the vertical through hole of the shock wave device other end, and contiguous block B is connected by straight pin C with shock wave device.On the outer wall of the shock wave device other end, fixing connection circular arc plate, is provided with groove on circular arc plate, is provided with steel ball in each groove.The top of casing is provided with through hole, and output reel is provided with serrate slot, the pitch curve Ei space three-dimensional class cosine curve of serrate slot, and serrate slot and steel ball engage each other.The upper end of output shaft extends to the outside of casing upper through-hole, and bearing E, baffle ring B and bearings D are socketed on output shaft successively, and adjustable screw is adjacent with output shaft, and are placed in the top of bearings D.
In use, power shaft rotates the present invention, and eccentric segment drives bearing block A motion, and bearing block A drives shock wave device motion by contiguous block A, and fixing plate limits shock wave device by contiguous block B and rotates, and makes shock wave device swing by rule.Shock wave device circular arc plate swings, it is achieved steel ball is by specifying that curve is in space motion.Steel ball engages with serrate slot on output reel, promotes output shaft rotation, it is achieved the transmission of rotating speed.In shock wave device groove, the centre of sphere of three steel balls is on same circle.Steel ball on same circle has two kinds of distribution modes, and during steel ball centre of sphere close together, the velocity attitude of power shaft point closest with on output shaft is identical, when the steel ball centre of sphere is distant, power shaft and on output shaft the velocity attitude of closest point contrary.After Meshing Pair produces wearing clearance, rotating adjustable screw, output shaft axially-movable eliminates engaging pairs tooth side gap.
The advantage of patent of the present invention and providing the benefit that: this decelerator is simple, compact, zero-clearance transmission, noise are little, it is possible to successive elimination engaging pairs tooth side gap；Steel ball engages with output shaft serrate slot, and frictional resistance is little；Engaging tooth logarithm is always three pairs, and bearing capacity is strong.
Accompanying drawing explanation
Fig. 1 is rectangular axis steel ball reducer structure diagram；
Fig. 2 is output shaft structure diagram；
Fig. 3 is shock wave device structure diagram；
Fig. 4 is output shaft serrate slot pitch curve.
In above-mentioned accompanying drawing: 1. casing, 2. bearing block A, 3. power shaft, 4. bearing A, 5. baffle ring A, 6. bearing C, 7. straight pin A, 8. contiguous block A, 9. straight pin B, 10. shock wave device, 11. straight pin C, 12 contiguous block B, 13 straight pin D, 14 steel balls, 15 output shafts, 16 bearings D, 17 adjustable screws, 18 fixing plates, 19 screws, 20 bearing B, 21 bearing E, 22 baffle ring B.
Detailed description of the invention
In the simplified schematic diagram of the present invention shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, casing 1 is the hollow box body that cross section is at right angles trapezoidal, and the one side at casing is provided with horizontal through hole.Power shaft 3 is plugged in the horizontal through hole of body side, and bearing A4, baffle ring A5 and bearing B20 are socketed on power shaft successively, and one end of power shaft is processed as eccentric shaft, and one end of power shaft is placed in the outside of casing.The side of bearing block A2 is provided with dead eye, and the other end of power shaft is plugged in the dead eye of bearing block A, and the other end socket bearing C6 of power shaft, the outer ring of bearing C connects with the inwall of dead eye.The another side of bearing block A is processed as middle part and is provided with the fork-shaped link of through hole.Contiguous block A8 is provided with two orthogonal through holes, and straight pin A7 passes the horizontal through hole of the through hole in the middle part of the fork-shaped link of bearing block and contiguous block A, and bearing block A is connected by straight pin A with contiguous block A.One end of shock wave device 10 is processed as middle part and is provided with the fork-shaped link of through hole, and straight pin B9 passes the vertical through hole of the through hole in the middle part of the fork-shaped link of shock wave device one end and contiguous block A, and shock wave device is connected by straight pin B with contiguous block A.The cross section of fixing plate 18 is L-shaped, and fixing plate is placed in box house, and is connected by screw 19 is fixing with the dovetail groove of box bottom.The vertical outer wall of fixing plate is provided with fork-shaped link, in the middle part of the fork-shaped link on fixing plate outer wall, is provided with through hole.Contiguous block B12 is provided with two orthogonal through holes, and the through hole in the middle part of the horizontal through hole of straight pin D13 traverse contiguous block B and fixing plate fork-shaped link, contiguous block B is connected by straight pin D with fixing plate.The other end of shock wave device is provided with vertical through hole, and straight pin C11 passes the vertical through hole of contiguous block B and the vertical through hole of the shock wave device other end, and contiguous block B is connected by straight pin C with shock wave device.On the outer wall of the shock wave device other end, fixing connection circular arc plate, is provided with 3 grooves on circular arc plate, is provided with steel ball 14 in each groove.The top of casing is provided with through hole, and output reel is provided with 21 serrate slots, the pitch curve Ei space three-dimensional class cosine curve of serrate slot, and serrate slot and steel ball engage each other.The upper end of output shaft 15 extends to the outside of casing upper through-hole, and bearing E21, baffle ring B22 and bearings D 16 are socketed on output shaft successively, and adjustable screw 17 is adjacent with output shaft, and are placed in the top of bearings D.
Shock wave device circular arc plate swings, it is achieved steel ball is by specifying that curve is in space motion.Steel ball engages with serrate slot on output reel, promotes output shaft rotation, it is achieved the transmission of rotating speed, gear ratio is i=21.
In shock wave device groove, the centre of sphere of three steel balls is on same circle.Steel ball on same circle has two kinds of distribution modes, and during steel ball centre of sphere close together, the velocity attitude of power shaft point closest with on output shaft is identical, when the steel ball centre of sphere is distant, power shaft and on output shaft the velocity attitude of closest point contrary.
Claims (3)
- null1. rectangular axis steel ball reducer，Mainly include casing、Bearing block A、Power shaft、Bearing A、Baffle ring A、Bearing C、Straight pin A、Contiguous block A、Straight pin B、Shock wave device、Straight pin C、Contiguous block B、Straight pin D、Steel ball、Output shaft、Bearings D、Adjustable screw、Fixing plate、Screw、Bearing B、Bearing E and baffle ring B，It is characterized in that: casing is the hollow box body that cross section is at right angles trapezoidal，One side at casing is provided with horizontal through hole，Power shaft is plugged in the horizontal through hole of body side，Bearing A、Baffle ring A and bearing B is socketed on power shaft successively，One end of power shaft is processed as eccentric shaft，One end of power shaft is placed in the outside of casing，The side of bearing block A is provided with dead eye，The other end of power shaft is plugged in the dead eye of bearing block A，The other end socket bearing C of power shaft，The outer ring of bearing C connects with the inwall of dead eye，The another side of bearing block A is processed as middle part and is provided with the fork-shaped link of through hole，Contiguous block A is provided with two orthogonal through holes，Straight pin A passes the horizontal through hole of the through hole in the middle part of the fork-shaped link of bearing block and contiguous block A，Bearing block A is connected by straight pin A with contiguous block A，One end of shock wave device is processed as middle part and is provided with the fork-shaped link of through hole，Straight pin B passes the vertical through hole of the through hole in the middle part of the fork-shaped link of shock wave device one end and contiguous block A，Shock wave device is connected by straight pin B with contiguous block A，The cross section of fixing plate is L-shaped，Fixing plate is placed in box house，And be connected by screw is fixing with the dovetail groove of box bottom，The vertical outer wall of fixing plate is provided with fork-shaped link，It is provided with through hole in the middle part of fork-shaped link on fixing plate outer wall，Contiguous block B is provided with two orthogonal through holes，Through hole in the middle part of the horizontal through hole of straight pin D traverse contiguous block B and fixing plate fork-shaped link，Contiguous block B is connected by straight pin D with fixing plate，The other end of shock wave device is provided with vertical through hole，The vertical through hole of straight pin C traverse contiguous block B and the vertical through hole of the shock wave device other end，Contiguous block B is connected by straight pin C with shock wave device，Fixing connection circular arc plate on the outer wall of the shock wave device other end，Circular arc plate is provided with groove，It is provided with steel ball in each groove，The top of casing is provided with through hole，Output reel is provided with serrate slot，The pitch curve Ei space three-dimensional class cosine curve of serrate slot，Serrate slot and steel ball engage each other，The upper end of output shaft extends to the outside of casing upper through-hole，Bearing E、Baffle ring B and bearings D are socketed on output shaft successively，Adjustable screw is adjacent with output shaft，And it is placed in the top of bearings D.
- 2. rectangular axis steel ball reducer according to claim 1, it is characterized in that: power shaft rotates, eccentric segment drives bearing block A motion, bearing block A drives shock wave device motion by contiguous block A, and fixing plate limits shock wave device by contiguous block B and rotates, and shock wave device swings by rule, shock wave device circular arc plate swings, steel ball is by regulation curve in space motion, and steel ball engages with serrate slot on output reel, promotes output shaft rotation.
- 3. rectangular axis steel ball reducer according to claim 1, it is characterized in that: in shock wave device groove, the centre of sphere of three steel balls is on same circle, steel ball on same circle has two kinds of distribution modes, during steel ball centre of sphere close together, the velocity attitude of power shaft point closest with on output shaft is identical, when the steel ball centre of sphere is distant, power shaft and on output shaft the velocity attitude of closest point contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223500.0A CN105782394B (en) | 2016-04-12 | 2016-04-12 | Rectangular axis steel ball reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223500.0A CN105782394B (en) | 2016-04-12 | 2016-04-12 | Rectangular axis steel ball reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782394A true CN105782394A (en) | 2016-07-20 |
| CN105782394B CN105782394B (en) | 2018-02-09 |
Family
ID=56395288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223500.0A Active CN105782394B (en) | 2016-04-12 | 2016-04-12 | Rectangular axis steel ball reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782394B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023239026A1 (en) * | 2022-06-09 | 2023-12-14 | (주)마틴프라우트 | Orthogonal-axis power transmission device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1748907A (en) * | 1929-01-05 | 1930-02-25 | Vallance Bertram | Motion-transmitting mechanism |
| US3367198A (en) * | 1966-03-09 | 1968-02-06 | Roller Gear Ltd | Variable speed reducer mechanism |
| CN2306364Y (en) * | 1997-09-02 | 1999-02-03 | 西北轻工业学院 | Double-cycloidal steel ball planetary gearing speed reducer |
| CN2725627Y (en) * | 2004-07-09 | 2005-09-14 | 北京工业大学 | Oscillating adjustable gear driving device of biphase cam shock wave |
| CN103410925A (en) * | 2013-08-21 | 2013-11-27 | 湖南恒至凿岩科技有限公司 | Polyhedral swing movable tooth transmission device |
| CN103644267A (en) * | 2013-12-05 | 2014-03-19 | 燕山大学 | Universal reducer with tooth-shifting steel balls |
| CN103867671A (en) * | 2014-02-18 | 2014-06-18 | 燕山大学 | Parallel procession steel bar speed reducer |
-
2016
- 2016-04-12 CN CN201610223500.0A patent/CN105782394B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1748907A (en) * | 1929-01-05 | 1930-02-25 | Vallance Bertram | Motion-transmitting mechanism |
| US3367198A (en) * | 1966-03-09 | 1968-02-06 | Roller Gear Ltd | Variable speed reducer mechanism |
| CN2306364Y (en) * | 1997-09-02 | 1999-02-03 | 西北轻工业学院 | Double-cycloidal steel ball planetary gearing speed reducer |
| CN2725627Y (en) * | 2004-07-09 | 2005-09-14 | 北京工业大学 | Oscillating adjustable gear driving device of biphase cam shock wave |
| CN103410925A (en) * | 2013-08-21 | 2013-11-27 | 湖南恒至凿岩科技有限公司 | Polyhedral swing movable tooth transmission device |
| CN103644267A (en) * | 2013-12-05 | 2014-03-19 | 燕山大学 | Universal reducer with tooth-shifting steel balls |
| CN103867671A (en) * | 2014-02-18 | 2014-06-18 | 燕山大学 | Parallel procession steel bar speed reducer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023239026A1 (en) * | 2022-06-09 | 2023-12-14 | (주)마틴프라우트 | Orthogonal-axis power transmission device |
| KR20230169595A (en) * | 2022-06-09 | 2023-12-18 | ㈜마틴프라우트 | Vertical Direction Transmission |
| KR102655915B1 (en) * | 2022-06-09 | 2024-04-09 | (주)마틴프라우트 | Vertical Direction Transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105782394B (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10865853B2 (en) | Multi-crankshaft cycloidal pin wheel reducer | |
| CN110397711B (en) | Cam shock wave type two-stage plane steel ball speed reducer | |
| CN2854208Y (en) | Planet cycloid pinwheel reducing machine | |
| JP2018535361A (en) | Planetary gear train | |
| CN203686041U (en) | Precision 2K-V-type speed reducer | |
| CN110425255B (en) | Sinusoidal plane two-stage movable tooth speed reducer | |
| CN102562956B (en) | External wave type compound rolling moveable teeth speed reducer | |
| CN104121334B (en) | A kind of coaxial single input bidirectional output large speed ratio cycloidal reducer | |
| CN105626816A (en) | Single-row speed reducing and changing integration cylinder sine oscillating tooth mechanism | |
| CN103535143A (en) | Gear-rack type box moving mechanism for high-speed rice planter | |
| CN105546042B (en) | Parallel connection subtracts speed change integration end face oscillating tooth mechanism | |
| CN102221069B (en) | Reducer with less tooth difference | |
| CN204099511U (en) | A kind of power take-off mechanism of pendulum ball formula speed reducer | |
| CN104265842A (en) | Swing ball type reducer | |
| CN203822962U (en) | Cycloid roll ball speed reducer | |
| CN105782394A (en) | Rectangular axis steel ball speed reducer | |
| CN105020344A (en) | Precision 2K-V transmission device | |
| CN103410925A (en) | Polyhedral swing movable tooth transmission device | |
| JP2013245801A (en) | Internal gear reducer utilizing planetary motion | |
| CN202118192U (en) | Reducer with small gear difference | |
| JP2016008633A (en) | Inscription gear type speed reducer | |
| CN203962876U (en) | The two-way output large speed ratio cycloidal reducer of a kind of coaxial single input | |
| CN204083078U (en) | A kind of pendulum ball formula speed reducer | |
| CN110374988B (en) | Simple cycloid speed reducing bearing with strong load capacity | |
| CN106763645A (en) | Cycloidal pin-wheel drive device and its correction method based on floating pin tooth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |