CN102797795A - Dual-shaft multistage speed reducer - Google Patents
Dual-shaft multistage speed reducer Download PDFInfo
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- CN102797795A CN102797795A CN2012102728423A CN201210272842A CN102797795A CN 102797795 A CN102797795 A CN 102797795A CN 2012102728423 A CN2012102728423 A CN 2012102728423A CN 201210272842 A CN201210272842 A CN 201210272842A CN 102797795 A CN102797795 A CN 102797795A
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Abstract
The invention discloses a dual-shaft multistage speed reducer which comprises a box body, an input shaft and an output shaft, wherein the input shaft and the output shaft are rotatably arranged on the box body in parallel; the input shaft is fixedly provided with input driving pinions and is rotatably provided with at least one input duplicate gear; the output shaft is rotatably provided with output duplicate gears and is fixedly provided with an output driven main gear; the output duplicate gears and the input duplicate gears are equal in number, and pinions of the output duplicate gears and main gears of the input duplicate gears are connected in a meshed and drive mode; the input driving pinions and the main gears of the output duplicate gears are connected in a meshed drive mode; and the pinions of the input duplicate gears and the output driven main gear are connected in a meshed drive mode. The dual-shaft multistage speed reducer disclosed by the invention is very wide in application range; because the structure is compact, the volume weight is reduced, and the technology is simple and rapid, a great amount of materials, time, labor force and material resources can be saved in a series of links of production, transportation and the like, thus the cost is lowered, and the effect of low carbon energy conservation is achieved.
Description
Technical field
The invention belongs to a kind of mechanical transmission, relate in particular to a kind of twin shaft multi-stage speed-reducing machine.
Background technique
Speed reducer has various ways; Cycloidal planetary gear speed reducer, worm and worm gear speed reducer, planetary speed reducer, harmonic drive reduction, circular cone-cylindrical gear reducer, cylindrical gear reducer etc.For satisfying the transmission service condition of " power ", the user removes to select type according to purposes, selects the speed reducer that volume is less, in light weight, the life-span is long, mechanical efficiency is high, more energy-conservation certainly as far as possible.
Common three grades of speed reducers on the design handbook are split combinations up and down; Common three grades of speed reducers as depicted in figs. 1 and 2; Comprise casing 1 and the case lid 3 that removably connects through bolt 2, the junction plane between casing 1 and the casing 3 parallel rotation successively is provided with input shaft 4, first jack shaft 5, second jack shaft 6 and output shaft 7, and input shaft 4 is provided with input driver pinion a; First jack shaft 5 is provided with the first driven gearwheel b and the first driver pinion c; Second jack shaft 6 is provided with the second driven gearwheel d and the second driver pinion e, and output shaft 7 is provided with the driven gearwheel f of output, and the input driver pinion a and the first driven gearwheel b are connected by meshing transmission; The first driver pinion c and the second driven gearwheel d are connected by meshing transmission, and the second driver pinion e and the driven gearwheel f of output are connected by meshing transmission.Through three grades of transmissions, reach the purpose of gearing down.But said this structure has a lot of drawbacks; The stressed maximum of its afterbody transmission (engagement driving between the second driver pinion e and the driven gearwheel f of output); Tangential force (arrow points among Fig. 1) acts on the bolt 2, and the bonding crack when overload operation between case lid 3 and the casing 1 tends to take place oil leakage phenomenon; The bearing (ball) cover 8 of casing 1 both sides carries helical teeth axial forces (among Fig. 2 shown in the arrow); The long more both sides of casing 1 intensity more a little less than, when the clockwise and anticlockwise alternative frequency was high, the bonding crack generation resiliently deformable between case lid 3 and the casing 1 caused leakage of oil.In order to prevent two-way alternation active force, the artificer is the quite abundant heaviness of casing 1 design, and both having wasted steel has increased cost, and is chain again huge to a lot of equipment that speed reducer must be installed mounting base that also becomes.
Summary of the invention
The present invention provides a kind of compact structure, little, the lightweight twin shaft multi-stage speed-reducing of volume machine in order to solve deficiency of the prior art.
For solving the problems of the technologies described above; The present invention adopts following technological scheme: twin shaft multi-stage speed-reducing machine; Comprise that casing, parallel rotation are located at input shaft and the output shaft on the casing; Be fixed with input driver pinion and rotation on the said input shaft and be provided with at least one input duplicate gear; Rotate on the output shaft and be provided with the output duplicate gear and be fixed with the driven gearwheel of output; The output duplicate gear equates with input duplicate gear number and export the small gear of duplicate gear and the gearwheel of input duplicate gear is connected by meshing transmission that the input driver pinion is connected by meshing transmission with the gearwheel of output duplicate gear, imports the small gear of duplicate gear and export driven gearwheel to be connected by meshing transmission.
Said casing is made up of vertically disposed two side box boards of intermediate frame and intermediate frame both sides, and input shaft and output shaft are rotatably connected on two side box boards through bearing, and said two side box boards outside is provided with bearing (ball) cover.
Said input shaft is the gear shaft structure of one with the input driver pinion, exports driven gearwheel key and is connected on the output shaft.
Adopt technique scheme; The input duplicate gear is rotationally connected with input shaft and output shaft respectively through built-in bearing with the output duplicate gear; Realize the transmission of multistage different rotating speeds, the input duplicate gear is provided with one respectively with the output duplicate gear, can realize three grades of decelerations; Be provided with two respectively, can realize the Pyatyi deceleration; Be provided with three respectively, can realize seven grades of decelerations; By parity of reasoning, along with the increase of input duplicate gear with output duplicate gear number, can realize more multistage deceleration, makes speed ratio can reach 1:1000, or bigger.
The present invention has following characteristics and using value: 1. can be applicable to the space narrow and small, need heavy duty, and be common speed reducer can't installed device on.2. can be applicable in the fields such as Aero-Space navigation and be starved of on the equipment of weight reduction.3. alternative super sized type speed reducer solves overweight can't the transportation, large-scale crane, the drawback that can't arrive, can't lift; For example be applied to large hydraulic engineering equipment; Also littler than planetary speed reducer volume, cost is also low, solves some field and puzzles outstanding for many years and hang-up that do not separate.4. alternative large speed ratio high pulling torque worm-gear speed reducer, (if worm reduction gear is the long-time at a high speed running of rotation of sliding, worm screw can generate heat and grind burning), the present invention can not shut down long-time running in 24 hours at a high speed and do not generate heat.5. if be inverted input shaft and output shaft, promptly from output shaft input power, the input shaft speedup can be applied on the wind-driven generator, and is longer than mechanical efficiency height, the life-span of ordinary gear booster engine, can increase generated energy.
Application area of the present invention is boundless, owing to compact structure, volume weight reduce, technology is simple and direct, in a series of links such as production, transportation, can practice thrift lot of materials, time, human and material resources, makes it cost cutting, reaches the effect of low-carbon energy-saving.
Description of drawings
Fig. 1 is the structural representation of common three grades of speed reducers in the existing technology;
Fig. 2 is an A-A sectional view in the middle of Fig. 1;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is a B-B sectional view in the middle of Fig. 3.
Embodiment
Like Fig. 3 and shown in Figure 4; Twin shaft multi-stage speed-reducing machine of the present invention; Comprise that casing, parallel rotation are located at input shaft 4 and the output shaft 7 on the casing; Be fixed with input driver pinion a and rotation on the input shaft 4 and be provided with at least one input duplicate gear 9; Present embodiment is an input duplicate gear 9, rotates on the output shaft 7 to be provided with output duplicate gear 10 and to be fixed with the driven gearwheel f of output, and output duplicate gear 10 equates with input duplicate gear 9 numbers and the gearwheel d that exports the small gear c of duplicate gear 10 and import duplicate gear 9 is connected by meshing transmission; The input driver pinion a and the gearwheel b of output duplicate gear 10 are connected by meshing transmission, and the small gear e of input duplicate gear 9 and the driven gearwheel f of output are connected by meshing transmission.Input duplicate gear 9 is rotationally connected with input shaft 4 and output shaft 7 respectively through built-in bearing 15 with output duplicate gear 10.Input shaft 4 is the gear shaft structure of one with input driver pinion a, exports driven gearwheel f key and is connected on the output shaft 7, and this structure is convenient to make and install.
Casing is made up of intermediate frame 11 and vertically disposed two side box boards 12 in intermediate frame 11 both sides, and input shaft 4 is rotatably connected on two side box boards 12 through bearing 13 with output shaft 7, and two side box board 12 outsides are provided with the bearing (ball) cover 14 that is used for shutoff bearing 13.
Casing of the present invention is by the structural type of two side box boards 12 with intermediate frame 11 combinations, has following effect: 1. be convenient to install; 2. two side box boards 12 have absorbed the tangential force of gear, and side box board 12 does not receive axial force, can not cause the situation of box deformation leakage of oil; 3. gear does not have axial force, and it is so thick and heavy that casing just need not design.
Core part among the present invention---gear; Under power, moment of torsion the same terms; If adopt spur gear or helical gear; Also can realize the twin shaft multi-stage speed-reducing by combining form about common 1 grade of speed reducer casing, volume energy narrows down to 1/2 of common speed reducer, and weight is 1/2 of common speed reducer; If adopt arc helix cylindrical gear (patent that the claimant of this patent has declared, the patent No. are ZL200920088714.7), volume is about 1/5 of a common speed reducer, and weight is about 1/10 of common speed reducer, makes stock utilization reach ultimate attainment.
Because volume of the present invention reduces significantly; Therefore can not be by the standard mark model of common cylinder gear reduction unit; According to input power, speed ratio, centre distance, high, position, fang bolt hole, center; And the input output diameter of axle, specially made the series standard of twin shaft multi-stage speed-reducing machine: Wanyan Xueming's standard.Tens kilograms of the little micro-reducers minimum to related domain, big to narrowing down to 180 tons heavy speed reducer about 18 tons, not only solve the hang-up of transportation and lifting, and practiced thrift a large amount of alloy steel products.
Claims (3)
1. twin shaft multi-stage speed-reducing machine; Comprise that casing, parallel rotation are located at input shaft and the output shaft on the casing; It is characterized in that: be fixed with input driver pinion and rotation on the said input shaft and be provided with at least one input duplicate gear; Rotate on the output shaft and be provided with the output duplicate gear and be fixed with the driven gearwheel of output; The output duplicate gear equates with input duplicate gear number and export the small gear of duplicate gear and the gearwheel of input duplicate gear is connected by meshing transmission that the input driver pinion is connected by meshing transmission with the gearwheel of output duplicate gear, imports the small gear of duplicate gear and export driven gearwheel to be connected by meshing transmission.
2. twin shaft multi-stage speed-reducing machine according to claim 1; It is characterized in that: said casing is made up of vertically disposed two side box boards of intermediate frame and intermediate frame both sides; Input shaft and output shaft are rotatably connected on two side box boards through bearing, and said two side box boards outside is provided with bearing (ball) cover.
3. twin shaft multi-stage speed-reducing machine according to claim 1 and 2 is characterized in that: said input shaft is the gear shaft structure of one with the input driver pinion, exports driven gearwheel key and is connected on the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102728423A CN102797795A (en) | 2012-08-02 | 2012-08-02 | Dual-shaft multistage speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102728423A CN102797795A (en) | 2012-08-02 | 2012-08-02 | Dual-shaft multistage speed reducer |
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| CN102797795A true CN102797795A (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102728423A Pending CN102797795A (en) | 2012-08-02 | 2012-08-02 | Dual-shaft multistage speed reducer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017029124A1 (en) * | 2015-08-18 | 2017-02-23 | Mahle International Gmbh | Actuator for adjusting an actuating element |
| CN106829766A (en) * | 2017-03-27 | 2017-06-13 | 肖登福 | Nebenkern group hoisting apparatus |
| CN110486421A (en) * | 2019-08-15 | 2019-11-22 | 浙江尤奈特电机有限公司 | A kind of compact level Four driving of parallel axes |
| CN110681509A (en) * | 2019-09-04 | 2020-01-14 | 宁波大叶园林工业股份有限公司 | Adjustable spray miniature electric sprayer |
| CN113547537A (en) * | 2016-08-05 | 2021-10-26 | 发那科株式会社 | Rotation axis subassembly and articulated robot |
| CN113983146A (en) * | 2021-11-11 | 2022-01-28 | 江苏国茂减速机股份有限公司 | Special gear speed reducer for plug flow machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205238U (en) * | 1987-11-19 | 1988-08-03 | 李林 | Dual gear reducer |
| CN201599367U (en) * | 2009-12-15 | 2010-10-06 | 常州长浪齿轮箱有限公司 | Speed change gear box |
| CN202707933U (en) * | 2012-08-02 | 2013-01-30 | 完颜学明 | Dual-shaft multilevel reducer |
-
2012
- 2012-08-02 CN CN2012102728423A patent/CN102797795A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205238U (en) * | 1987-11-19 | 1988-08-03 | 李林 | Dual gear reducer |
| CN201599367U (en) * | 2009-12-15 | 2010-10-06 | 常州长浪齿轮箱有限公司 | Speed change gear box |
| CN202707933U (en) * | 2012-08-02 | 2013-01-30 | 完颜学明 | Dual-shaft multilevel reducer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017029124A1 (en) * | 2015-08-18 | 2017-02-23 | Mahle International Gmbh | Actuator for adjusting an actuating element |
| CN108093666A (en) * | 2015-08-18 | 2018-05-29 | 马勒国际有限公司 | For adjusting the actuator of actuating element |
| US10637327B2 (en) | 2015-08-18 | 2020-04-28 | Mahle International Gmbh | Actuator for adjusting an actuating device |
| CN108093666B (en) * | 2015-08-18 | 2020-07-07 | 马勒国际有限公司 | Actuator for adjusting an actuating element |
| CN113547537A (en) * | 2016-08-05 | 2021-10-26 | 发那科株式会社 | Rotation axis subassembly and articulated robot |
| CN113547537B (en) * | 2016-08-05 | 2024-04-23 | 发那科株式会社 | Rotation shaft assembly and multi-joint robot |
| CN106829766A (en) * | 2017-03-27 | 2017-06-13 | 肖登福 | Nebenkern group hoisting apparatus |
| CN110486421A (en) * | 2019-08-15 | 2019-11-22 | 浙江尤奈特电机有限公司 | A kind of compact level Four driving of parallel axes |
| CN110681509A (en) * | 2019-09-04 | 2020-01-14 | 宁波大叶园林工业股份有限公司 | Adjustable spray miniature electric sprayer |
| CN113983146A (en) * | 2021-11-11 | 2022-01-28 | 江苏国茂减速机股份有限公司 | Special gear speed reducer for plug flow machine |
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Application publication date: 20121128 |