CN105736666A - Differential planet type vertical mill gearbox - Google Patents
Differential planet type vertical mill gearbox Download PDFInfo
- Publication number
- CN105736666A CN105736666A CN201610233140.2A CN201610233140A CN105736666A CN 105736666 A CN105736666 A CN 105736666A CN 201610233140 A CN201610233140 A CN 201610233140A CN 105736666 A CN105736666 A CN 105736666A
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- gear
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Gear Transmission (AREA)
Abstract
The invention relates to a differential planet type vertical mill gearbox. The differential planet type vertical mill gearbox comprises a box body, an input bevel gear pair and a two-stage planetary gear train; according to the connection relation, a driving bevel gear on an input shaft is engaged with a driven bevel gear on a driven bevel gear shaft; a first-stage planetary gear is mounted on an output rotating frame through a first-stage cantilever type planetary pin shaft; a second-stage fixed cantilever type planetary pin shaft is fixed to the box body, and a second-stage planetary gear is supported on the second-stage fixed cantilever type planetary pin shaft through a bearing; the driven bevel gear shaft is connected with a first-stage sun gear in a positioned manner through a drum-shaped gear sleeve, and a first-stage inner gear ring is connected with a second-stage sun gear through a first-stage flexible torque connecting plate; a floating second-stage inner gear ring is connected with the output rotating frame through a second-stage flexible torque connecting plate, and a plain thrust bearing is arranged on the combination portion of the output rotating frame and the box body; and the output rotating frame is jointly driven by the first-stage cantilever type planetary pin shaft and the floating second-stage inner gear ring to transmit torque.
Description
Technical field
The present invention relates to a kind of Novel vertical mill gear-box, especially a kind of differential planetary formula Vertical Mill gear-box being applicable to the transmission occasion that power is big, power density ratio is high, speed ratio is big, reliability is high.
Background technology
Current Vertical Mill gear-box is generally structure: one-level bevel gear and one-level NGW planetary structure or one-level bevel gear are connected with two-stage NGW planetary structure.When gear-box capacity increases, the output of single-stage NGW planetary structure will make gear-box capacity density very low.And along with the increase of output moment of torsion, output stage planetary gear submember load is relatively big, but detail rigidity is limited by space so that gear engagement situation is deteriorated, and gear-box reliability reduces.And this kind of structure ratio coverage is limited, it is difficult to meet the market demand.At this moment, the Vertical Mill gear box structure developing a kind of novel high reliability that can be suitably used for high-power, large speed ratio is very important.
Summary of the invention
It is an object of the invention to: for current Vertical Mill gearbox drive construction features, the Vertical Mill used for transmitting the specific occasion that power is big, power density ratio is high, speed ratio is big, reliability is high provides a kind of novel differential planetary power dividing type Vertical Mill gear box structure.
The object of the present invention is achieved like this: a kind of differential planetary formula Vertical Mill gear-box, including casing, input bevel gear pair and gear for two stage planetary gear train, it is characterised in that: described input bevel gear pair includes power shaft, drive bevel gear, driven wheel of differential, driven wheel of differential axle;Primary planet train includes one-level sun gear, primary planet wheel, one-level ring gear, one-level cantilevered planet bearing pin and output pivoted frame;Secondary planet train includes secondary solar gear, secondary planet wheel, the two grades of ring gears floated, two grades of cantilever mounted formula planet bearing pins;Their annexation is:
A) installing drive bevel gear on power shaft, driven wheel of differential axle is installed driven wheel of differential, drive bevel gear engages with driven wheel of differential;
B) primary planet wheel is arranged on output pivoted frame by one-level cantilevered planet bearing pin, and primary planet wheel engages with one-level sun gear and one-level ring gear simultaneously;
C) two grades of cantilever mounted formula planet bearing pins are fixed on casing, secondary planet wheel is by bearings on two grades of cantilever mounted formula planet bearing pins, and secondary planet wheel engages back wall around two grades of cantilever mounted formula planet bearing pin rotations with two grades of ring gears of secondary solar gear and floating simultaneously;
D) driven wheel of differential axle is located by connecting with one-level sun gear by barreled tooth flank set, one-level ring gear is connected with secondary solar gear by one-level flexible torque joint cover, the two grades of ring gears floated are connected with output pivoted frame by two grades of flexible torque joint covers, and output pivoted frame is provided with plain thrust bearing with casing joint portion;
E) output pivoted frame transmission moment of torsion is jointly driven by two grades of ring gears of one-level cantilevered planet bearing pin and floating.
In the present invention: described drive bevel gear and driven wheel of differential are hardened face gear, its tooth is circle-arc tooth system or crin root Bel's tooth system.
In the present invention: all including at least three planetary gears being evenly distributed on around sun gear in described primary planet train and secondary planet train.
It is an advantage of the current invention that: owing to Vertical Mill gear-box adopts differential planetary power dividing type structure so that two-stage planet all as output transmission load, compared with exporting with current Vertical Mill gear box structure single-stage planetary, improves the bearing capacity of gear-box significantly.In the secondary planet wheel train structure that gear-box stress is maximum, bearing pin is fixed, and reality is fixed shaft gear train structure, is effectively increased the reliability of gear-box.Gear box structure is compact, and power density ratio is big, has saved substantial amounts of material cost.And gear-box ratio coverage is big, can meet market demands better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention process row.
In figure: 1, power shaft, 2, drive bevel gear, 3, driven wheel of differential, 4, driven wheel of differential axle, 5, barreled tooth flank set, 6, one-level sun gear, 7, primary planet wheel, 8, one-level ring gear, 9, one-level cantilevered planet bearing pin, 10, output pivoted frame, 11, secondary solar gear, 12, one-level flexible torque joint cover, 13, secondary planet wheel, 14, two grades of cantilever mounted formula planet bearing pins, 15, float two grades of ring gears, 16, two grades of flexible torque joint covers 17, plain thrust bearings, 18, casing.
Detailed description of the invention
Accompanying drawing discloses a kind of concrete structure implementing row of the present invention without limitation, and below in conjunction with accompanying drawing, the invention will be further described.
As seen from Figure 1: the present invention includes casing 18, input bevel gear pair and gear for two stage planetary gear train, and wherein, described input bevel gear pair includes power shaft 1, drive bevel gear 2, driven wheel of differential 3, driven wheel of differential axle 4;One-level level planet circular system includes one-level sun gear 6, primary planet wheel 7, one-level ring gear 8, one-level cantilevered planet bearing pin 9 and output pivoted frame 10;Secondary planet train includes 15, two grades of cantilever mounted formula planet bearing pins 14 of two grades of ring gears of secondary solar gear 11, secondary planet wheel 12, floating;Their annexation is:
Installing drive bevel gear 2 on power shaft 1, driven wheel of differential axle 4 is installed driven wheel of differential 3, drive bevel gear 2 engages 3 with driven wheel of differential.Primary planet wheel 7 is arranged on output pivoted frame 10 by one-level cantilevered planet bearing pin 9, and primary planet wheel 7 engages with one-level sun gear 6 and one-level ring gear 8 simultaneously.Two grades of cantilever mounted formula planet bearing pins 14 are fixed on casing 18, secondary planet wheel 13 passes through bearings on two grades of cantilever mounted formula planet bearing pins 14, and secondary planet wheel 13 engages back wall around two grades of cantilever mounted formula planet bearing pin 14 rotations with secondary solar gear 11 and the two grades of ring gears 14 floated simultaneously.Driven wheel of differential axle 4 is located by connecting with one-level sun gear 6 by barreled tooth flank set 5, one-level ring gear 8 is connected with secondary solar gear 11 by one-level flexible torque joint cover 12, the two grades of ring gears 15 floated are connected with output pivoted frame 10 by two grades of flexible torque joint covers 16, output pivoted frame 10 and 18 joint portion is provided with plain thrust bearing 17, and output planetary frame 10 realizes axial location by thrust bearing shoe valve device 17.
After the present invention assembles, one-level cantilevered planet bearing pin 9 and the two grades of ring gears 15 floated output pivoted frame 10 is jointly driven to transmit moment of torsion.
When being embodied as: described drive bevel gear 2 and driven wheel of differential 3 are hardened face gear, its tooth is circle-arc tooth system or crin root Bel's tooth system.
When being embodied as, all including at least three planetary gears being evenly distributed on around sun gear in described primary planet train and secondary planet train.
Claims (3)
1. a differential planetary formula Vertical Mill gear-box, including casing, input bevel gear pair and gear for two stage planetary gear train, it is characterised in that: described input bevel gear pair includes power shaft, drive bevel gear, driven wheel of differential, driven wheel of differential axle;One-level level planet circular system includes one-level sun gear, primary planet wheel, one-level ring gear, one-level cantilevered planet bearing pin and output pivoted frame;Secondary planet train includes secondary solar gear, secondary planet wheel, the two grades of ring gears floated, two grades of cantilever mounted formula planet bearing pins;Their annexation is:
A) installing drive bevel gear on power shaft, driven wheel of differential axle is installed driven wheel of differential, drive bevel gear engages with driven wheel of differential;
B) primary planet wheel is arranged on output pivoted frame by one-level cantilevered planet bearing pin, and primary planet wheel engages with one-level sun gear and one-level ring gear simultaneously;
C) two grades of cantilever mounted formula planet bearing pins are fixed on casing, secondary planet wheel is by bearings on two grades of cantilever mounted formula planet bearing pins, and secondary planet wheel engages back wall around two grades of cantilever mounted formula planet bearing pin rotations with two grades of ring gears of secondary solar gear and floating simultaneously;
D) driven wheel of differential axle is located by connecting with one-level sun gear by barreled tooth flank set, one-level ring gear is connected with secondary solar gear by one-level flexible torque joint cover, the two grades of ring gears floated are connected with output pivoted frame by two grades of flexible torque joint covers, and output pivoted frame is provided with plain thrust bearing with casing joint portion;
E) output pivoted frame transmission moment of torsion is jointly driven by two grades of ring gears of one-level cantilevered planet bearing pin and floating.
2. according to the differential planetary formula Vertical Mill gear-box described in claim 1, it is characterised in that: described drive bevel gear and driven wheel of differential are hardened face gear, and its tooth is circle-arc tooth system or crin root Bel's tooth system.
3. according to the differential planetary formula Vertical Mill gear-box described in claim 1 or 2, it is characterised in that: all including at least three planetary gears being evenly distributed on around sun gear in described primary planet train and secondary planet train.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610233140.2A CN105736666A (en) | 2016-04-15 | 2016-04-15 | Differential planet type vertical mill gearbox |
Applications Claiming Priority (1)
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CN201610233140.2A CN105736666A (en) | 2016-04-15 | 2016-04-15 | Differential planet type vertical mill gearbox |
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CN105736666A true CN105736666A (en) | 2016-07-06 |
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CN201610233140.2A Pending CN105736666A (en) | 2016-04-15 | 2016-04-15 | Differential planet type vertical mill gearbox |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3145655C1 (en) * | 1981-11-02 | 1983-07-21 | Maag-Zahnräder & -Maschinen AG, 8023 Zürich | Schuesselmuehlen gearbox |
US6344011B1 (en) * | 1999-04-19 | 2002-02-05 | Renk Aktiengesellschaft | Bowl mill transmission |
US6401561B1 (en) * | 1999-04-19 | 2002-06-11 | Renk Aktiengesellschaft | Bowl mill transmission |
CN200999828Y (en) * | 2007-01-09 | 2008-01-02 | 南京高精齿轮集团有限公司 | Vertical double-shunting speed reducer |
CN101737476A (en) * | 2009-12-30 | 2010-06-16 | 南京高精重载齿轮制造有限公司 | Power shunt type combined planetary reducer |
CN201836304U (en) * | 2010-10-22 | 2011-05-18 | 青岛海力达齿轮箱有限公司 | Cantilever beam planetary gear travelling mechanism |
CN201836309U (en) * | 2010-10-22 | 2011-05-18 | 青岛海力达齿轮箱有限公司 | Totally floating type planetary gear travel mechanism |
CN104913026A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
CN204755854U (en) * | 2015-06-16 | 2015-11-11 | 南京高精齿轮集团有限公司 | Upright gerar grinding roller box of full slide bearing configuration structure |
CN205578659U (en) * | 2016-04-15 | 2016-09-14 | 南京高精齿轮集团有限公司 | Differential planetary gerar grinding roller box that stands |
-
2016
- 2016-04-15 CN CN201610233140.2A patent/CN105736666A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3145655C1 (en) * | 1981-11-02 | 1983-07-21 | Maag-Zahnräder & -Maschinen AG, 8023 Zürich | Schuesselmuehlen gearbox |
US6344011B1 (en) * | 1999-04-19 | 2002-02-05 | Renk Aktiengesellschaft | Bowl mill transmission |
US6401561B1 (en) * | 1999-04-19 | 2002-06-11 | Renk Aktiengesellschaft | Bowl mill transmission |
CN200999828Y (en) * | 2007-01-09 | 2008-01-02 | 南京高精齿轮集团有限公司 | Vertical double-shunting speed reducer |
CN101737476A (en) * | 2009-12-30 | 2010-06-16 | 南京高精重载齿轮制造有限公司 | Power shunt type combined planetary reducer |
CN201836304U (en) * | 2010-10-22 | 2011-05-18 | 青岛海力达齿轮箱有限公司 | Cantilever beam planetary gear travelling mechanism |
CN201836309U (en) * | 2010-10-22 | 2011-05-18 | 青岛海力达齿轮箱有限公司 | Totally floating type planetary gear travel mechanism |
CN104913026A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
CN204755854U (en) * | 2015-06-16 | 2015-11-11 | 南京高精齿轮集团有限公司 | Upright gerar grinding roller box of full slide bearing configuration structure |
CN205578659U (en) * | 2016-04-15 | 2016-09-14 | 南京高精齿轮集团有限公司 | Differential planetary gerar grinding roller box that stands |
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Application publication date: 20160706 |
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