CN202812006U - Multi-loop concentric circumferential drive reducing mechanism - Google Patents
Multi-loop concentric circumferential drive reducing mechanism Download PDFInfo
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- CN202812006U CN202812006U CN 201220125686 CN201220125686U CN202812006U CN 202812006 U CN202812006 U CN 202812006U CN 201220125686 CN201220125686 CN 201220125686 CN 201220125686 U CN201220125686 U CN 201220125686U CN 202812006 U CN202812006 U CN 202812006U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims description 9
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- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001234523 Velamen Species 0.000 description 1
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Abstract
The utility model discloses a multi-loop concentric circumferential drive reducing mechanism. A driving gear (3) sleeved on a power input shaft (2) is fixedly connected with the power input shaft (2). A plurality of driven gears (4) meshed with the driving gear are evenly distributed around the driving gear (3). An eccentric shaft (5) is connected on each driven gear (4). The number of the eccentric shafts (5) corresponds to the number of the driven gears (4). One end of each eccentric shaft (5) and the corresponding driven gear (4) are fixedly connected together through a key (19). A main body of each eccentric shaft (5) is provided with a driving device. Each eccentric shaft (5) is in transmission fit connection with a low speed output shaft (6) through the driving device. The low speed output shaft (6) and the power input shaft (2) are arranged in a concentric structure. The power input shaft (2) drives the driven gears (4) to rotate through the driving gear (3), and the driven gears (4) drive the low speed output shaft (6) to rotate sequentially through the eccentric shafts (5) and the driving devices.
Description
Technical field
The utility model relates to a kind of many Qu Tongxin driven circularly reducing gear.
Background technique
Two ring or the three-ring gear reducers that research and development are both at home and abroad produced, its typical structure forms by the ring flat-plate of two eccentric shafts and N sheet band internal gear, even dry plate ring tooth is equipped with two eccentric shafts, wherein an eccentric shaft and motor UNICOM and born leading motivational drive effect, though although and another eccentric shaft structure and size with initiatively eccentric shaft is just the same, but its effect only is in the rotation that is forced to do synchronously with main driving eccentric shaft 360 degree when the stressed rotation of main driving axle by the mutual traction of ring gear, form an incircle gear drive external gear output shaft, reach the deceleration purpose.The defective that this driving mechanism exists has: this is a kind of drive form of off-centre, and input shaft and axle shaft can not with one heart, be installed but be with output shaft axle center symmetrical line; Again because just wherein an eccentric shaft play leading driving effect, another eccentric shaft is transmission of drive force simultaneously absolutely not also, although this has just caused diaxon synchronous, discontinuity equalization; And all concentrate on the lopsided power input shaft because all inputs drive load, ring flat-plate requires the off-centre of axle more more at most, and correspondingly living load is also just larger, and stability is also just poorer, even also may cause the straight line dead point.
Summary of the invention
The utility model provides a kind of many Qu Tongxin driven circularly reducing gear, not only transmission stability is reliable for it, small volume, weight gentlier, again because of multiple tooth simultaneously the engagement, transmitting torque is large, transmission efficiency is very high, stable drive, noise is low, not easy to wear, the life-span is long, and avoids occurring the straight line dead point.
The utility model has adopted following technological scheme: a kind of many Qu Tongxin driven circularly reducing gear, it is mainly by casing, power input shaft, driving gear, driven gear, eccentric shaft, drive unit and low-speed output shaft form, power input shaft, driving gear, driven gear, eccentric shaft, drive unit and low-speed output shaft are positioned at casing, cover has driving gear on the power input shaft, driving gear and power input shaft are fixedly connected, around driving gear, be evenly distributed with some driven gears, each driven gear and driving gear engagement, each driven gear first line of a couplet is connected to eccentric shaft, the quantity of eccentric shaft is corresponding with the quantity of driven gear, one end of each eccentric shaft and driven gear form by key and are fixedly connected, the main body of each eccentric shaft is provided with drive unit, eccentric shaft is that transmission cooperates connection by drive unit and low-speed output shaft, low-speed output shaft and power input shaft are set to concentric structure, power input shaft drives driven gear by driving gear and rotates, and driven gear drives low-speed output shaft by eccentric shaft and drive unit successively and rotates.
Described each drive unit is set to the inner circular tooth drive unit, the inner circular tooth drive unit comprises outer shroud gear and internal gear, the bearing I supporting that the outer shroud gear is provided with by eccentric shaft, the bearing I is set to sliding bearing or rolling bearing, internal gear cover on the outer shroud gear outer shroud around be meshed with the outer shroud gear, internal gear and output shaft are fixedly connected, driven gear drives the outer shroud gear by eccentric shaft and makes compound motion, outer shroud gear circumcircle drives internal gear and rotates, and internal gear drives the output of low-speed output shaft low speed.
One end of described each eccentric shaft is provided with bearing III and bearing mounting base, the bearing III is positioned at bearing mounting base, the other end of eccentric shaft is bearing on the bearing mounting base by the bearing III, bearing mounting base is fixed on the inboard of low-speed output shaft, the inwall of described casing is provided with the bearing IV, the bearing IV is positioned at the excircle upper support internal gear of internal gear, bearing III and bearing IV are set to sliding bearing or rolling bearing, and the axial limiting of bearing III and bearing IV adopts the form of hole usefulness or shaft block ring.
Described each drive unit is set to the outer shroud tooth driver, the outer shroud tooth driver comprises inner circular tooth gear and external gear, the bearing II supporting that the inner circular tooth gear is provided with by eccentric shaft, the bearing II is set to sliding bearing or rolling bearing, the central position that external gear is arranged on after each inner circular tooth gear is arranged is meshed with each inner circular tooth gear, low-speed output shaft inserts the center of external gear and external gear is fixedly connected or low-speed output shaft passes through flat key, rectangular spline or involute splines and external gear form and are fixedly connected, driven gear drives the inner circular tooth gear by eccentric shaft and makes compound motion, inner circular tooth gear incircle drives external gear and rotates, and external gear drives the output of low-speed output shaft low speed.
The two ends of described each eccentric shaft are provided with the bearing V, the tightening nut locking that the bearing V is provided with by eccentric shaft.Between described driving gear and the power input shaft by flat key cooperate, rectangular spline cooperates or involute splines is fixed connection.The number of described driven gear is N, N=2,3,4,5 ..., the quantity of driven gear is corresponding with the quantity of eccentric shaft, eccentric shaft evenly distributes at circumferencial direction, and the quantity of returnning is corresponding with the number of elements n of outer ring gear on the eccentric shaft, and is 360/n and is evenly arranged.
The bearing of described driven gear side is installed on the casing, driven gear can be installed in the inboard of bearing, the outside that also can cantilever be installed in bearing, the axially locating of bearing on casing adopts hole back-up ring, spacing locking nut or the shaft block ring adopted on eccentric shaft.Described drive unit gear is two at least, also is three, four or N sheet, and the quantity of the returnning during the N sheet on the eccentric shaft is 360/N °.
The utlity model has following beneficial effect: power input shaft of the present utility model and output shaft are that concentric structure so not only has aesthetic.Each driven gear of the present utility model is supported by independent eccentric shaft, every like this eccentric shaft bears driving force equally, pretending the mechanical kinetic energy that is used in every eccentric shaft is homogeneous phase load together, avoid occurring the defective of active single axle and N velamen moving axis during operation, stressed and stressed identical during every eccentric shaft all, all when week thereby avoids occurring 180 ° straight line dead point as driving shaft synchronous drive inner and outer rings gear to the N eccentric shaft.The utility model uses the N eccentric shaft as power transmission shaft, reliable and stable and the small volume of transmission, weight gentlier, again because of multiple tooth simultaneously engagement, transmitting torque is large, transmission efficiency is very high, stable drive, noise is low, not easy to wear, the life-span is long, this reducing gear uses separately, can be applicable to any industrial transmission large speed ratio and slow down.
Description of drawings
Fig. 1 is the utility model embodiment one structural representation.
Fig. 2 is the transmission schematic representation between outer shroud gear and internal gear when eccentric shaft is two among the utility model embodiment one.
Fig. 3 is that the utility model embodiment one eccentric shaft is four plane transmission schematic representation.
Fig. 4 is the utility model embodiment two structural representation.
Fig. 5 is the transmission schematic representation between inner circular tooth gear and external gear when eccentric shaft is two among the utility model embodiment two.
Fig. 6 is the transmission schematic representation between driving gear and driven gear when eccentric shaft is two among the utility model embodiment two.
Fig. 7 is that eccentric shaft is three plane transmission schematic representation among the utility model embodiment two.
Fig. 8 is the transmission schematic representation between driving gear and driven gear when eccentric shaft is three among the utility model embodiment two.
Embodiment
Embodiment one, in Fig. 1 and Fig. 2, the utility model provides a kind of many Qu Tongxin driven circularly reducing gear, it is mainly by casing 1, power input shaft 2, driving gear 3, driven gear 4, eccentric shaft 5, drive unit and low-speed output shaft 6 form, power input shaft 2, driving gear 3, driven gear 4, eccentric shaft 5, drive unit and low-speed output shaft 6 are positioned at casing 1, cover has driving gear 3 on the power input shaft 2, driving gear 3 is fixedly connected with power input shaft 2, cooperate by flat key 18 between driving gear 3 and the power input shaft 2, rectangular spline cooperates or involute splines is fixed connection, around driving gear 3, be distributed with some driven gears 4, each driven gear 4 is meshed with driving gear 3, each driven gear 4 first line of a couplet is connected to eccentric shaft 5, the quantity of eccentric shaft 5 is corresponding with the quantity of driven gear 4, the number of driven gear 4 is N, N=2,3,4,5 ... the quantity of driven gear 4 is corresponding with the quantity of eccentric shaft 5, one end of each eccentric shaft 5 and driven gear 4 form by key 19 and are fixedly connected, the number of the driven gear 4 of present embodiment is N=2, eccentric shaft 5 evenly distributes in a circumferential direction, eccentric shaft 5 is provided with two eccentric journals that are mutually 180 °, one end and the driven gear 4 of each eccentric shaft 5 are fixedly connected, the main body of each eccentric shaft 5 is provided with drive unit, eccentric shaft 5 cooperates connection with low-speed output shaft 6 for transmission by drive unit, described each drive unit is set to the inner circular tooth drive unit, the inner circular tooth drive unit comprises outer shroud gear 7 and internal gear 8, bearing I 9 supportings that outer shroud gear 7 is provided with by eccentric shaft axle 5, bearing I 9 is set to sliding bearing or rolling bearing, and the axial limiting of bearing I 9 uses by the hole or shaft block ring is realized; Internal gear 8 cover on outer shroud gear 7 outer shroud around be meshed with outer shroud gear 7, the center of internal gear 8 and low-speed output shaft 6 are fixedly connected, driven gear 4 drives outer shroud gear 7 by eccentric shaft 5 and makes compound motion, outer shroud gear 7 circumcircles drive internal gear 8 and rotate, internal gear 8 drives the output of low-speed output shaft 6 low speed, low-speed output shaft 6 is set to concentric structure with power input shaft 2, power input shaft 2 drives driven gear 4 by driving gear 3 and rotates, driven gear 4 drives low-speed output shaft 6 by eccentric shaft 5 and drive unit successively and rotates, the two ends of each eccentric shaft 5 are provided with bearing III 10 and bearing mounting base 11, bearing III 10 is positioned at bearing mounting base 11, the other end of eccentric shaft 5 is bearing on the bearing mounting base 11 by bearing III 10, bearing mounting base 11 is fixed on the inboard of low-speed output shaft 6, the bearing III 10 of driven gear 4 is installed on the casing 1, driven gear 4 can be installed in the inboard of bearing III 10, also can cantilever be installed in the outside of bearing III 10; The bearing III 10 of the other end is installed in the bearing mounting base 11, bearing mounting base 11 is fixed on the inboard of low-speed output shaft 6, the inwall of described casing 1 is provided with bearing IV 12, bearing IV 12 is positioned at the excircle upper support internal gear 8 of internal gear 8, and bearing III 10 and bearing IV 12 are set to sliding bearing or rolling bearing; The axial limiting of bearing III 10 is realized by hole usefulness, shaft block ring.In Fig. 3, eccentric shaft 5 of the present utility model also can be four, and eccentric shaft 5 is two identical among the drive mechanism of its internal gear 8 and outer shroud gear 7 and the embodiment one.
At Fig. 4, among Fig. 5 and Fig. 6, embodiment two, the utility model provides a kind of many Qu Tongxin driven circularly reducing gear, it is mainly by casing 1, power input shaft 2, driving gear 3, driven gear 4, eccentric shaft 5, drive unit and low-speed output shaft 6, power input shaft 2, driving gear 3, driven gear 4, eccentric shaft 5, drive unit and low-speed output shaft 6 are positioned at casing 1, cover has driving gear 3 on the power input shaft 2, driving gear 3 is fixedly connected with power input shaft 2, cooperate by flat key 18 between driving gear 3 and the power input shaft 2, rectangular spline cooperates or involute splines is fixed connection, around driving gear 3, be evenly distributed with some driven gears 4, each driven gear 4 is meshed with driving gear 3, each driven gear 4 first line of a couplet is connected to eccentric shaft 5, the quantity of eccentric shaft 5 is corresponding with the quantity of driven gear 4, one end of each eccentric shaft 5 and driven gear 4 form by key 19 and are fixedly connected, the number of driven gear 4 is N, N=2,3,4,5 ... the quantity of driven gear 4 is corresponding with the quantity of eccentric shaft 5, the number of the driven gear 4 of present embodiment is N=2, eccentric shaft 5 evenly distributes in a circumferential direction, eccentric shaft 5 is provided with two eccentric journals that are mutually 180 °, one end and the driven gear 4 of each eccentric shaft 5 are fixedly connected, the main body of each eccentric shaft 5 is provided with drive unit, eccentric shaft 5 cooperates connection with low-speed output shaft 6 for transmission by drive unit, each drive unit is set to the outer shroud tooth driver, the outer shroud tooth driver comprises inner circular tooth gear 13 and external gear 14, bearing II 15 supportings that inner circular tooth gear 13 is provided with by eccentric shaft 5, bearing II 15 is set to sliding bearing or rolling bearing, the central position that external gear 14 is arranged on after each inner circular tooth gear 13 is arranged is meshed with each inner circular tooth gear 13, center and external gear 14 that low-speed output shaft 6 inserts external gear 14 are fixedly connected, external gear 14 can directly process on low-speed output shaft 6, also may pass through flat key with external gear 14, rectangular spline or involute splines and output shaft are fixedly connected.Driven gear 4 drives inner circular tooth gear 13 by eccentric shaft 5 and makes compound motion, inner circular tooth gear 13 incircles drive external gear 14 and rotate, external gear 14 drives the output of low-speed output shaft 6 low speed, low-speed output shaft 6 is set to concentric structure with power input shaft 2, power input shaft 2 drives driven gear 4 by driving gear 3 and rotates, driven gear 4 drives low-speed output shaft 6 by eccentric shaft 5 and drive unit successively and rotates, the two ends of each eccentric shaft 5 are provided with bearing V 16, bearing V 16 is installed on the casing 1, tightening nut 17 lockings that the other end termination of bearing V 16 by eccentric shaft 5 is provided with.The axially locating of bearing V16 also can be by locking nut or axially realize with back-up ring in back-up ring and hole.In Fig. 7 and Fig. 8, the utility model embodiment two eccentric shaft also can be three, and eccentric shaft 5 is two identical among the drive mechanism of its inner circular tooth gear 13 and external gear 14 and the embodiment two.
Claims (9)
1. the reducing gear of Qu Tongxin driven circularly more than a kind, it is characterized in that it is mainly by casing (1), power input shaft (2), driving gear (3), driven gear (4), eccentric shaft (5), drive unit and low-speed output shaft (6) form, power input shaft (2), driving gear (3), driven gear (4), eccentric shaft (5), drive unit and low-speed output shaft (6) are positioned at casing (1), the upper cover of power input shaft (2) has driving gear (3), driving gear (3) is fixedly connected with power input shaft (2), around driving gear (3), be evenly distributed with some driven gears (4), each driven gear (4) and driving gear (3) engagement, each driven gear (4) first line of a couplet is connected to eccentric shaft (5), the quantity of eccentric shaft (5) is corresponding with the quantity of driven gear (4), one end of each eccentric shaft (5) and driven gear (4) form by key (19) and are fixedly connected, the main body of each eccentric shaft (5) is provided with drive unit, eccentric shaft (5) cooperates connection with low-speed output shaft (6) for transmission by drive unit, low-speed output shaft (6) is set to concentric structure with power input shaft (2), power input shaft (2) drives driven gear (4) by driving gear (3) and rotates, and driven gear (4) drives low-speed output shaft (6) by eccentric shaft (5) and drive unit successively and rotates.
2. many Qu Tongxin driven circularly reducing gear according to claim 1, it is characterized in that described each drive unit is set to the inner circular tooth drive unit, the inner circular tooth drive unit comprises outer shroud gear (7) and internal gear (8), bearing I (9) supporting that outer shroud gear (7) is provided with by eccentric shaft (5), bearing I (9) is set to sliding bearing or rolling bearing, internal gear (8) cover on outer shroud gear (7) outer shroud around be meshed with outer shroud gear (7), internal gear (8) is fixedly connected with output shaft (6), driven gear (4) drives outer shroud gear (7) by eccentric shaft (5) and makes compound motion, outer shroud gear (7) circumcircle drives internal gear (8) and rotates, and internal gear (8) drives the output of low-speed output shaft (6) low speed.
3. many Qu Tongxin driven circularly reducing gear according to claim 2, an end that it is characterized in that described each eccentric shaft (5) is provided with bearing III (10) and bearing mounting base (11), bearing III (10) is positioned at bearing mounting base (11), the other end of eccentric shaft (5) is bearing on the bearing mounting base (11) by bearing III (10), bearing mounting base (11) is fixed on the inboard of low-speed output shaft (6), the inwall of described casing (1) is provided with bearing IV (12), bearing IV (12) is positioned at the excircle upper support internal gear (8) of internal gear (8), bearing III (10) and bearing IV (12) are set to sliding bearing or rolling bearing, and the axial limiting of bearing III (10) and bearing IV (12) adopts the form of hole usefulness or shaft block ring.
4. many Qu Tongxin driven circularly reducing gear according to claim 1, it is characterized in that described each drive unit is set to the outer shroud tooth driver, the outer shroud tooth driver comprises inner circular tooth gear (13) and external gear (14), bearing II (15) supporting that inner circular tooth gear (13) is provided with by eccentric shaft (5), bearing II (15) is set to sliding bearing or rolling bearing, the central position that external gear (14) is arranged on after each inner circular tooth gear (13) is arranged is meshed with each inner circular tooth gear (13), low-speed output shaft (6) inserts the center of external gear (14) and external gear (14) is fixedly connected or low-speed output shaft (6) passes through flat key, rectangular spline or involute splines and external gear (14) form and are fixedly connected, driven gear (4) drives inner circular tooth gear (13) by eccentric shaft (5) and makes compound motion, inner circular tooth gear (13) incircle drives external gear (14) and rotates, and external gear (14) drives the output of low-speed output shaft (6) low speed.
5. many Qu Tongxin driven circularly reducing gear according to claim 4 is characterized in that the two ends of described each eccentric shaft (5) are provided with bearing V (16), tightening nut (17) locking that bearing V (16) is provided with by eccentric shaft (5).
6. many Qu Tongxin driven circularly reducing gear according to claim 1, it is characterized in that between described driving gear (3) and the power input shaft (2) by flat key (18) cooperate, rectangular spline cooperates or involute splines is fixed connection.
7. many Qu Tongxin driven circularly reducing gear according to claim 1, the number that it is characterized in that described driven gear (4) is N, N=2,3,4,5 ... the quantity of driven gear (4) is corresponding with the quantity of eccentric shaft (5), eccentric shaft (5) evenly distributes at circumferencial direction, and the quantity of returnning is corresponding with the number of elements n of outer ring gear on the eccentric shaft, and is 360/n and is evenly arranged.
8. many Qu Tongxin driven circularly reducing gear according to claim 1, the bearing that it is characterized in that described driven gear (4) side is installed on the casing (1), driven gear (4) can be installed in the inboard of bearing, the outside that also can cantilever be installed in bearing, the axially locating of bearing on casing (1) adopts hole back-up ring, spacing locking nut or the shaft block ring adopted on eccentric shaft (5).
9. many Qu Tongxin driven circularly reducing gear according to claim 1 is characterized in that described drive unit gear is two at least, also is three, four or N sheet, and the quantity of the returnning during the N sheet on the eccentric shaft is 360/N °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220125686 CN202812006U (en) | 2012-03-30 | 2012-03-30 | Multi-loop concentric circumferential drive reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220125686 CN202812006U (en) | 2012-03-30 | 2012-03-30 | Multi-loop concentric circumferential drive reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812006U true CN202812006U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220125686 Expired - Fee Related CN202812006U (en) | 2012-03-30 | 2012-03-30 | Multi-loop concentric circumferential drive reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606684A (en) * | 2012-03-30 | 2012-07-25 | 张鑫珩 | Multi-loop concentric circumferential drive reducing mechanism |
| CN108868586A (en) * | 2018-08-21 | 2018-11-23 | 曾卫林 | Blade-free mud motor |
-
2012
- 2012-03-30 CN CN 201220125686 patent/CN202812006U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606684A (en) * | 2012-03-30 | 2012-07-25 | 张鑫珩 | Multi-loop concentric circumferential drive reducing mechanism |
| CN102606684B (en) * | 2012-03-30 | 2015-04-29 | 中冶华天工程技术有限公司 | Multi-loop concentric circumferential drive reducing mechanism |
| CN108868586A (en) * | 2018-08-21 | 2018-11-23 | 曾卫林 | Blade-free mud motor |
| CN108868586B (en) * | 2018-08-21 | 2024-02-09 | 曾卫林 | Blade-free underground power drilling tool |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGYE HUATIAN ENGINEERING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG XINHENG Effective date: 20130717 Free format text: FORMER OWNER: WANG YUEPING Effective date: 20130717 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225400 TAIZHOU, JIANGSU PROVINCE TO: 243005 MAANSHAN, ANHUI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130717 Address after: 243005 No. 25, Hunan Road, Anhui, Ma'anshan Patentee after: Zhongye Huatian Engineering Technology Co., Ltd. Address before: 225400, room 26, building seven, 104 National Day Village, Taixing, Jiangsu, Taizhou Patentee before: Zhang Xinhang Patentee before: Wang Yueping |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20210330 |