CN105782394B - Rectangular axis steel ball reducer - Google Patents
Rectangular axis steel ball reducer Download PDFInfo
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- CN105782394B CN105782394B CN201610223500.0A CN201610223500A CN105782394B CN 105782394 B CN105782394 B CN 105782394B CN 201610223500 A CN201610223500 A CN 201610223500A CN 105782394 B CN105782394 B CN 105782394B
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- bearing
- hole
- straight pin
- steel ball
- contiguous block
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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)
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Abstract
Rectangular axis steel ball reducer, it is main to include mainly including casing, bearing block A, input 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, regulation spiral, fixed plate, screw, bearing B, bearing E and baffle ring B, the decelerator of the invention is simple, compact, zero-clearance is driven, noise is small, being capable of successive elimination engaging pairs tooth side gap；Steel ball engages with output shaft serrate slot, and frictional resistance is small；Engaging tooth logarithm is always three pairs, and bearing capacity is strong.
Description
Technical field
The present invention relates to a kind of technical field of mechanical transmission, more particularly to a kind of decelerator.
Background technology
Decelerator is part important in mechanical industry, and its transmission performance directly affects the production efficiency of machinery, work
Make performance and product quality.Can produce backlash after modern high-accuracy transmission mechanism abrasion, its transmission performance will necessarily under
Drop, only there is tight mesh transmission can not meet requirement of the precision drive mechanism to transmission accuracy for the moment.Bevel gear engaging tooth
Logarithm is less, and backlash be present.Rectangular axis steel ball reducer can eliminate backlash, realize that the tight mesh of decelerator passes
Dynamic, the tooth logarithm for participating in engagement is more.
The content of the invention
In order to solve weak point present in above-mentioned technology, the present invention provides a kind of simple in construction, compact, bearing capacity
By force, the rectangular axis steel ball reducer of backlash can be eliminated.
The invention mainly comprises casing, bearing block A, input 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, regulation spiral, fixed plate, spiral shell
Nail, bearing B, bearing E and baffle ring B.
Wherein, casing is section hollow box body in a rectangular trapezoid, and horizontal through hole is provided with the one side of casing.Input shaft
It is plugged in the horizontal through hole of body side, bearing A, baffle ring A and bearing B are socketed on input shaft successively, one end of input shaft
Eccentric shaft is processed as, one end of input shaft is placed in the outside of casing.Bearing block A side is provided with bearing hole, input shaft it is another
End is plugged in bearing block A bearing hole, the other end socket bearing C of input shaft, bearing C outer ring and the inwall phase of bearing hole
Connect.Bearing block A another side is processed as the fork-shaped link that middle part is provided with through hole.Contiguous block A is mutually perpendicular to provided with two
Through hole, straight pin A is through the horizontal through hole of through hole and contiguous block A in the middle part of the fork-shaped link of bearing block, bearing block A and company
Block A is met by straight pin A to be connected.One end of shock wave device is processed as the fork-shaped link that middle part is provided with through hole, and straight pin B, which is passed through, to be swashed
The vertical through hole of through hole and contiguous block A in the middle part of the fork-shaped link of ripple device one end, shock wave device pass through straight pin B with contiguous block A
It is connected.The section of fixed plate is L-shaped, and fixed plate is placed in box house, and is fixed and connected by the dovetail groove of screw and bottom half
Connect.It is provided with fork-shaped link on the vertical outer wall of fixed plate, through hole is provided with the middle part of the fork-shaped link on fixed plate outer wall.
Contiguous block B is provided with two orthogonal through holes, and straight pin D through contiguous block B horizontal through hole are connected with fixed plate fork-shaped
Through hole in the middle part of frame, contiguous block B are connected with fixed plate by straight pin D.The other end of shock wave device is provided with vertical through hole, cylinder
Sell C and pass through straight pin C phases with shock wave device through contiguous block B vertical through hole and the vertical through hole of the shock wave device other end, contiguous block B
Even.Circular arc plate is fixedly connected with the outer wall of the shock wave device other end, groove is provided with circular arc plate, steel is provided with each groove
Ball.The top of casing is provided with through hole, and output reel is provided with serrate slot, and the pitch curve Ei space three-dimensional classes cosine of serrate slot is bent
Line, serrate slot are intermeshed with steel ball.The upper end of output shaft extends to the outside of casing upper through-hole, bearing E, baffle ring B and axle
Hold D to be socketed on output shaft successively, regulation spiral is adjacent with output shaft, and is placed in the top of bearings D.
In the use of the present invention, input shaft rotates, eccentric segment drives bearing block A motions, and bearing block A passes through contiguous block A bands
Dynamic shock wave device motion, fixed plate limit shock wave device by contiguous block B and rotated, and shock wave device is swung by rule.Shock wave device circular arc
Plate is swung, and realizes steel ball by regulation curve in spatial movement.Steel ball engages with serrate slot on output reel, promotes output shaft to turn
It is dynamic, realize the transmission of rotating speed.The centre of sphere of three steel balls is on same circle in shock wave device groove.Steel ball on same circle has two kinds points
Mode for cloth, when the steel ball centre of sphere is closer to the distance, input shaft is identical with the velocity attitude of closest point on output shaft, the steel ball centre of sphere away from
From farther out when, the velocity attitude of closest point is opposite on input shaft and output shaft.After Meshing Pair produces wearing clearance, rotation
Spiral is adjusted, output shaft, which is axially moved, eliminates engaging pairs tooth side gap.
The advantages of patent of the present invention and beneficial effect are：The decelerator is simple, compact, zero-clearance is driven, noise is small, Neng Goulian
It is continuous to eliminate engaging pairs tooth side gap；Steel ball engages with output shaft serrate slot, and frictional resistance is small；Engaging tooth logarithm is always three pairs,
Bearing capacity is strong.
Brief description of the drawings
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. input shafts, 4. bearing A, 5. baffle ring A, 6. bearing C, 7. cylinders
A is sold, 8. contiguous block A, 9. straight pin B, 10. shock wave devices, 11. straight pin C, 12 contiguous block B, 13 straight pin D, 14 steel balls, 15 is defeated
Shaft, 16 bearings Ds, 17 regulation spirals, 18 fixed plates, 19 screws, 20 bearing B, 21 bearing E, 22 baffle ring B.
Embodiment
In the simplified schematic diagram of the invention shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, casing 1 be section it is in a rectangular trapezoid in
Empty van body, horizontal through hole is provided with the one side of casing.Input shaft 3 is plugged in the horizontal through hole of body side, bearing A4, gear
Ring A5 and bearing B20 are socketed on input shaft successively, and one end of input shaft is processed as eccentric shaft, and one end of input shaft is placed in casing
Outside.Bearing block A2 side is provided with bearing hole, and the other end of input shaft is plugged in bearing block A bearing hole, input shaft
The other end socket bearing C6, bearing C outer ring connects with the inwall of bearing hole.Bearing block A another side is processed as middle part
Fork-shaped link provided with through hole.Contiguous block A8 is provided with two orthogonal through holes, and straight pin A7 passes through the fork of bearing block
The horizontal through hole of through hole and contiguous block A in the middle part of shape link, bearing block A are connected with contiguous block A by straight pin A.Shock wave device
10 one end is processed as the fork-shaped link that middle part is provided with through hole, fork-shaped link middle parts of the straight pin B9 through shock wave device one end
Through hole and contiguous block A vertical through hole, shock wave device is connected with contiguous block A by straight pin B.The section of fixed plate 18 is L-shaped,
Fixed plate is placed in box house, and is fixedly connected by screw 19 with the dovetail groove of bottom half.In the vertical outer of fixed plate
Wall is provided with fork-shaped link, and through hole is provided with the middle part of the fork-shaped link on fixed plate outer wall.Contiguous block B12 is provided with two phases
Mutually vertical through hole, horizontal through hole of the straight pin D13 through contiguous block B and the through hole in the middle part of fixed plate fork-shaped link, connection
Block B is connected with fixed plate by straight pin D.The other end of shock wave device is provided with vertical through hole, and straight pin C11 passes through contiguous block B
Vertical through hole and the shock wave device other end vertical through hole, contiguous block B is connected with shock wave device by straight pin C.Shock wave device is another
Circular arc plate is fixedly connected with the outer wall at end, 3 grooves are provided with circular arc plate, steel ball 14 is provided with each groove.Casing
Top be provided with through hole, output reel is provided with 21 serrate slots, the pitch curve Ei space three-dimensional class cosine curves of serrate slot,
Serrate slot is intermeshed with steel ball.The upper end of output shaft 15 extends to the outside of casing upper through-hole, bearing E21, baffle ring B22 and
Bearings D 16 is socketed on output shaft successively, and regulation spiral 17 is adjacent with output shaft, and is placed in the top of bearings D.
Shock wave device circular arc plate is swung, and realizes steel ball by regulation curve in spatial movement.Steel ball and tooth form on output reel
Groove engages, and promotes output shaft rotation, realizes the transmission of rotating speed, gearratio i=21.
The centre of sphere of three steel balls is on same circle in shock wave device groove.Steel ball on same circle has two kinds of distribution modes, steel
When the ball centre of sphere is closer to the distance, input shaft is identical with the velocity attitude of closest point on output shaft, when the steel ball centre of sphere is distant,
The velocity attitude of closest point is opposite on input shaft and output shaft.
Claims (3)
1. rectangular axis steel ball reducer, mainly including casing, bearing block A, input shaft, bearing A, baffle ring A, bearing C, straight pin A,
It is contiguous block A, straight pin B, shock wave device, straight pin C, contiguous block B, straight pin D, steel ball, output shaft, bearings D, regulation spiral, solid
Fixed board, screw, bearing B, bearing E and baffle ring B, it is characterised in that：Casing is section hollow box body in a rectangular trapezoid, in casing
One side be provided with horizontal through hole, input shaft is plugged in the horizontal through hole of body side, and bearing A, baffle ring A and bearing B are successively
It is socketed on input shaft, one end of input shaft is processed as eccentric shaft, and the other end of input shaft is placed in the outside of casing, bearing block A
Side be provided with bearing hole, the other end of input shaft is plugged in bearing block A bearing hole, one end of input shaft socket bearing C,
Bearing C outer ring connects with the inwall of bearing hole, and bearing block A another side is processed as the fork-shaped connection that middle part is provided with through hole
Frame, contiguous block A are provided with two orthogonal through holes, straight pin A through the through hole in the middle part of the fork-shaped link of bearing block with
Contiguous block A horizontal through hole, bearing block A are connected with contiguous block A by straight pin A, and 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 lead to through the through hole in the middle part of the fork-shaped link of shock wave device one end and the vertical of contiguous block A
Hole, shock wave device are connected with contiguous block A by straight pin B, and the section of fixed plate is L-shaped, and fixed plate is placed in box house, and passes through
Screw is fixedly connected with the dovetail groove of bottom half, is provided with fork-shaped link on the vertical outer wall of fixed plate, outside fixed plate
Through hole is provided with the middle part of fork-shaped link on wall, contiguous block B is provided with two orthogonal through holes, and straight pin D passes through connection
Block B horizontal through hole is connected with the through hole in the middle part of fixed plate fork-shaped link, contiguous block B with fixed plate by straight pin D, shock wave
The other end of device is provided with vertical through hole, and straight pin C through contiguous block B vertical through hole lead to the vertical of the shock wave device other end
Hole, contiguous block B are connected with shock wave device by straight pin C, circular arc plate are fixedly connected with the outer wall of the shock wave device other end, in circular arc
Shape plate is provided with groove, and steel ball is provided with each groove, and the top of casing is provided with through hole, and output reel is provided with serrate slot, tooth
The pitch curve of shape groove is space three-dimensional class cosine curve, and serrate slot is intermeshed with steel ball, and the upper end of output shaft extends to case
The outside of body upper through-hole, bearing E, baffle ring B and bearings D are socketed on output shaft successively, and regulation spiral 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 characterised in that：Input shaft rotates, eccentric segment band moving axis
Bearing A is moved, and bearing block A drives shock wave device to move by contiguous block A, and fixed plate limits shock wave device by contiguous block B and rotated, and swashs
Ripple device is swung by rule, and shock wave device circular arc plate is swung, and steel ball is by above-mentioned curve in spatial movement, steel ball and tooth on output reel
Shape groove engages, and promotes output shaft rotation.
3. rectangular axis steel ball reducer according to claim 1, it is characterised in that：The ball of three steel balls in shock wave device groove
For the heart on same circle, the steel ball on same circle has two kinds of distribution modes, when the steel ball centre of sphere is closer to the distance, on input shaft and output shaft
The velocity attitude of closest point is identical, when the steel ball centre of sphere is distant, the speed of closest point on input shaft and output shaft
In the opposite direction.
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 CN105782394A (en) | 2016-07-20 |
| CN105782394B true CN105782394B (en) | 2018-02-09 |
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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 |
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| Country | Link |
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| CN (1) | CN105782394B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102655915B1 (en) * | 2022-06-09 | 2024-04-09 | (주)마틴프라우트 | Vertical Direction Transmission |
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 |
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| Publication number | Publication date |
|---|---|
| CN105782394A (en) | 2016-07-20 |
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