CN102384222A - Hub reductor for mine electric drive heavy-duty car - Google Patents
Hub reductor for mine electric drive heavy-duty car Download PDFInfo
- Publication number
- CN102384222A CN102384222A CN2011103742103A CN201110374210A CN102384222A CN 102384222 A CN102384222 A CN 102384222A CN 2011103742103 A CN2011103742103 A CN 2011103742103A CN 201110374210 A CN201110374210 A CN 201110374210A CN 102384222 A CN102384222 A CN 102384222A
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- gear
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- wheel
- planet
- ring
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000005065 mining Methods 0.000 claims abstract description 7
- 208000032370 Secondary transmission Diseases 0.000 claims abstract description 3
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 208000032369 Primary transmission Diseases 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000002345 respiratory system Anatomy 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
本发明适用于机械传动装置领域，尤其是大吨位电动轮矿用自卸车传动装置领域。一种矿用电传动重型汽车轮边减速器，其特征在于：所述减速器采用三级行星减速机构，一级、二级为差动轮系，三级为定轴轮系。一级、二级传动中，太阳轮是动力输入部件，行星架和齿圈是动力输出部件；三级传动中，太阳轮是动力输入部件，行星架固定，齿圈是动力输出部件。本发明的有益效果在于：1、传动比变化范围大，可以传递更大的扭矩。2、多一级负担车辆行驶所需驱动力矩，使得最后一级齿轮的弯曲疲劳应力、接触疲劳应力变小，安全系数更高。3、在充分利用径向空间的同时，提高了整个轮边减速器轴向空间利用率，增大了整体散热面积，以更好的达到整体热平衡。
The invention is suitable for the field of mechanical transmission devices, especially the field of transmission devices for large-tonnage electric wheel mining dump trucks. A mine-used electric transmission heavy-duty vehicle wheel reducer is characterized in that: the reducer adopts a three-stage planetary reduction mechanism, the first and second stages are differential gear trains, and the third stage is a fixed-axis gear train. In the primary and secondary transmissions, the sun gear is the power input component, the planet carrier and the ring gear are the power output components; in the tertiary transmission, the sun gear is the power input component, the planet carrier is fixed, and the ring gear is the power output component. The beneficial effects of the present invention are as follows: 1. The transmission ratio has a wide variation range, and greater torque can be transmitted. 2. One more stage bears the driving torque required for the vehicle to drive, so that the bending fatigue stress and contact fatigue stress of the last stage gear are reduced, and the safety factor is higher. 3. While making full use of the radial space, the axial space utilization rate of the entire wheel reducer is improved, and the overall heat dissipation area is increased to better achieve the overall thermal balance.
Description
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Technical field
The present invention is applicable to the mechanical transmission field, especially large-tonnage electric wheel quarry tipper transmission device field.
Background technique
Wheel reductor is an actuating unit commonly used on vehicle or the engineering machinery, especially is that unique deceleration increases and turns round mechanism in the electric wheel quarry tipper, and transmission of power is played a crucial role.Mostly at present mine truck is second planetary reducer, document one (mining machinery if using; In March, 2008; 38) the mine truck wheel limit second planetary reducer of introducing; In large-tonnage electric wheel quarry tipper application process, exist the velocity ratio excursion limited, influence the motor service behaviour; Transmitting torque is little, the problem that the axial space utilization ratio is not high, tooth bending is tired, the contact fatigue safety coefficient is not enough
Summary of the invention
The objective of the invention is to: to the above-mentioned deficiency of existing technology, propose a kind of third-level planetary reducing gear, wherein one-level, secondary are differential gear train, and three grades of fixed shaft gear trains of fixing for planet carrier are with the demand of going of mining electric drive heavy vehicle better.
A kind of mining electric drive heavy vehicle wheel reductor of the present invention is characterized in that: said retarder adopts the third-level planetary reducing gear, and one-level, secondary are differential gear train, and three grades is fixed shaft gear train.
Further, in one-level, the secondary transmission, sun gear is a power input part, and planet carrier and gear ring are power output parts; In three grades of transmissions, sun gear is a power input part, and planet carrier is fixed, and gear ring is a power output part.
Further; One-level gear transmission power is imported by motor (1); Pass to main drive shaft (19) through flange-type coupling (26); Pass to one-level sun gear (18) through splined, pass through one-level planet wheel (15), the differential motion that is decomposed into primary planet carrier (13) and initiatively covers (20) of ring gear (14) again; The motion of primary planet carrier (13) is passed to secondary sun gear (10) as the input of secondary gear, again through secondary planet wheel (11), the differential motion that is decomposed into secondary planet frame (9) and initiatively covers (20) of ring gear (12); The motion of secondary planet frame (9) is passed to three grades of sun gears (5) as the input of tertiary gear, passes to wheel hub (4) through third-level planetary wheel (6), ring gear (7); Rigid joint between (20) is covered in wheel hub (4) and active, constitutes the final output terminal of whole system jointly.
Further, the one-level sun gear equates with secondary solar wheeling tooth digital-to-analogue number; The one-level planet wheel equates with secondary planet tooth number modulus; Primary annulus equates with secondary gear ring number of teeth modulus.
Beneficial effect of the present invention is:
1, the velocity ratio excursion is big, can transmit bigger moment of torsion, and is convenient to utilize the efficient operation of motor interval.
2, many one-level burden vehicle driving required driving torques make the bending fatigue stress of afterbody gear, contact fatigue stress diminish, and safety coefficient is higher.
3, when making full use of radial space, improved whole wheel reductor axial space utilization ratio, increased the integral heat sink area, better to reach the overall thermal balance.
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Description of drawings
Fig. 1 is a power transmission structure schematic diagram of the present invention.
R-system's input shaft, a1-one-level sun gear, c1-one-level planet wheel, b1-one-level ring gear; H1-primary planet carrier, a2-secondary sun gear, c2-secondary planet wheel; B2-secondary ring gear, H2-secondary planet frame, a3-three grade sun gear; C3-third-level planetary wheel, b3-three grade ring gear, H3-third-level planetary frame
Fig. 2 is the present invention's one practical application example block diagram.
1, motor, 2, the third-level planetary frame, 3, wheel rim, 4, wheel hub, 5, three grades of sun gears (secondary third-level planetary structure coupling shaft); 6, third-level planetary wheel, 7, three grades of ring gears, 8, briquetting, 9, the secondary planet frame, 10, secondary sun gear (one-level secondary planet structure coupling shaft); 11, secondary planet wheel, 12, the secondary ring gear, 13, primary planet carrier, 14, the one-level ring gear, 15, the one-level planet wheel; 16, lubrication filler, 17, respiratory system, 18, the one-level sun gear, 19, central shaft, 20, lid initiatively; 21, fuel outlet, 22, spline, 23, the wheel rim spacer, 24, end cover; 25, bearing, 26, seal ring, 27, coupling, 28, break
Embodiment
In order to make the object of the invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
A kind of mining electric drive heavy vehicle wheel reductor of the present invention comprises power transmission member, carries out and coupling member lubrication and seal and respiratory system, cooling system.
Power transmission member: comprise main drive shaft, flange plate, one-level gear, secondary gear, tertiary gear, one-level secondary third-level planetary wheel shaft, bearing, planet carrier etc.; Main function is that the power with high-speed, the low moment of torsion of motor becomes low speed, high pulling torque, satisfies the vehicle driving needs.
Carry out and coupling member: wheel hub with one two three grades ring gear be linked together, finally pass on the wheel rim as the power of the defeated part of power gear.
Lubricated, sealing and respiratory system: whole system adopts thin oil lubricant, wheel hub with initiatively be stamped oil filler and fuel outlet, the operation in the time of can convenient for maintaining.There are two large-scale backbone sealing rings motor case and wheel hub connection place, and the cavity between them can externally refuel through grease fitting.Initiatively lid and wheel hub, bearing (ball) cover with initiatively cover the joining portion and all have 0 shape to enclose to seal.Resuscitation apparatus is housed initiatively covering, it is oil-proof to ventilate, and carries out air exchange with the external world.
Cooling system: cooling system mainly is made up of oil pump, filter and cooler, guarantees the thermal equilibrium of whole system.
Retarder of the present invention adopts the third-level planetary reducing gear, and one-level, secondary are differential gear train, and three grades is fixed shaft gear train.Power transmission structure schematic diagram of the present invention is as shown in Figure 1, and it comprises r-system's input shaft, a1-one-level sun gear, c1-one-level planet wheel; B1-one-level ring gear, H1-primary planet carrier, a2-secondary sun gear, c2-secondary planet wheel; B2-secondary ring gear, H2-secondary planet frame, a3-three grade sun gear; C3-third-level planetary wheel, b3-three grade ring gear, H3-third-level planetary frame
The one-level gear transmission of system has two output terminals, and the one, planet carrier H1, the 2nd, ring gear b1 is so be differential gear train; The secondary gear transmission also has two output terminals, and the one, planet carrier H2, the 2nd, ring gear b2 is similarly differential gear train; Tertiary gear transmission planet carrier H3 fixes, and has only three grades of ring gear output b3, is common planetary gear train; One-level, secondary, three grades of ring gears link to each other, and final system has only one degree of freedom, realizes the closed planetary transmission, obtains fixed drive ratio.
As shown in Figure 2; One-level gear transmission power is by motor 1 input; Pass to main drive shaft 19 through flange-type coupling 26, pass to one-level sun gear 18, be decomposed into primary planet carrier 13 and the motion of initiatively covering 20 through one-level planet wheel 15, ring gear 14 are differential again through splined; The motion of primary planet carrier 13 is passed to secondary sun gear 10 as the input of secondary gear, is decomposed into secondary planet frame 9 and the motion of initiatively covering 20 through secondary planet wheel 11, ring gear are differential again; The motion of secondary planet frame 9 is passed to three grades of sun gears 5 as the input of tertiary gear, passes to wheel hub 4 through third-level planetary wheel 6, ring gear 7; Wheel hub 4 and initiatively cover 20 between be rigid joint, they have constituted the final output terminal of whole system jointly.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. mining electric drive heavy vehicle wheel reductor is characterized in that: said retarder adopts the third-level planetary reducing gear, and one-level, secondary are differential gear train, and three grades is fixed shaft gear train.
2. retarder according to claim 1 is characterized in that: in one-level, the secondary transmission, sun gear is a power input part, and planet carrier and gear ring are power output parts; In three grades of transmissions, sun gear is a power input part, and planet carrier is fixed, and gear ring is a power output part.
3. retarder according to claim 2; It is characterized in that: one-level gear transmission power is imported by motor (1); Pass to main drive shaft (19) through flange-type coupling (26); Pass to one-level sun gear (18) through splined, pass through one-level planet wheel (15), the differential motion that is decomposed into primary planet carrier (13) and initiatively covers (20) of ring gear (14) again; The motion of primary planet carrier (13) is passed to secondary sun gear (10) as the input of secondary gear, again through secondary planet wheel (11), the differential motion that is decomposed into secondary planet frame (9) and initiatively covers (20) of ring gear (12); The motion of secondary planet frame (9) is passed to three grades of sun gears (5) as the input of tertiary gear, passes to wheel hub (4) through third-level planetary wheel (6), ring gear (7); Rigid joint between (20) is covered in wheel hub (4) and active, constitutes the final output terminal of whole system jointly.
4. retarder according to claim 3 is characterized in that: the one-level sun gear equates with secondary solar wheeling tooth digital-to-analogue number; The one-level planet wheel equates with secondary planet tooth number modulus; Primary annulus equates with secondary gear ring number of teeth modulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103742103A CN102384222A (en) | 2011-11-22 | 2011-11-22 | Hub reductor for mine electric drive heavy-duty car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103742103A CN102384222A (en) | 2011-11-22 | 2011-11-22 | Hub reductor for mine electric drive heavy-duty car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102384222A true CN102384222A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103742103A Pending CN102384222A (en) | 2011-11-22 | 2011-11-22 | Hub reductor for mine electric drive heavy-duty car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384222A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697071A (en) * | 2013-12-31 | 2014-04-02 | 一重集团大连设计研究院有限公司 | Electric wheel coupling structure of mining dump truck with electric wheels |
| CN103912636A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN105465289A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN106481742A (en) * | 2015-08-25 | 2017-03-08 | 迪尔公司 | Compact planet device for final driving means |
| CN107152500A (en) * | 2017-06-13 | 2017-09-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of transmission device, hub unit, wheel heel teeth wheel apparatus and dumper |
| CN107901751A (en) * | 2017-11-16 | 2018-04-13 | 武汉理工大学 | Electric automobile coaxial-type In-wheel motor driving system synthesis integral structure |
| CN107933300A (en) * | 2017-11-16 | 2018-04-20 | 武汉理工大学 | A kind of electric automobile coaxial-type In-wheel motor driving system synthesis |
| CN108468755A (en) * | 2018-03-31 | 2018-08-31 | 重庆市江津区宏盛机械制造有限公司 | Large-scale heavy duty mining electric truck secondary drive mechanism |
| CN111442068A (en) * | 2019-01-16 | 2020-07-24 | 郑州宇通客车股份有限公司 | Vehicle driving wheel, driving system using same and vehicle |
| CN112440731A (en) * | 2019-08-27 | 2021-03-05 | 比亚迪股份有限公司 | Hub reduction gear, hub power assembly and vehicle |
| CN114164693A (en) * | 2021-12-14 | 2022-03-11 | 合肥神马科技集团有限公司 | Ground shaft transmission structure for steel wire rope equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968385Y (en) * | 2006-09-01 | 2007-10-31 | 重庆齿轮箱有限责任公司 | Wind power generation yaw reducing gear box |
| CN201209650Y (en) * | 2008-05-07 | 2009-03-18 | 三一重型装备有限公司 | Walking reduction gear |
| CN202326934U (en) * | 2011-11-22 | 2012-07-11 | 北京科技大学 | Wheel reducer for mining electric drive heavy truck |
-
2011
- 2011-11-22 CN CN2011103742103A patent/CN102384222A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968385Y (en) * | 2006-09-01 | 2007-10-31 | 重庆齿轮箱有限责任公司 | Wind power generation yaw reducing gear box |
| CN201209650Y (en) * | 2008-05-07 | 2009-03-18 | 三一重型装备有限公司 | Walking reduction gear |
| CN202326934U (en) * | 2011-11-22 | 2012-07-11 | 北京科技大学 | Wheel reducer for mining electric drive heavy truck |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697071A (en) * | 2013-12-31 | 2014-04-02 | 一重集团大连设计研究院有限公司 | Electric wheel coupling structure of mining dump truck with electric wheels |
| CN103697071B (en) * | 2013-12-31 | 2017-01-04 | 一重集团大连设计研究院有限公司 | Electric wheel coupling structure of mining dump truck with electric wheels |
| CN103912636A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN106481742A (en) * | 2015-08-25 | 2017-03-08 | 迪尔公司 | Compact planet device for final driving means |
| CN105465289A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN107152500A (en) * | 2017-06-13 | 2017-09-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of transmission device, hub unit, wheel heel teeth wheel apparatus and dumper |
| CN107901751A (en) * | 2017-11-16 | 2018-04-13 | 武汉理工大学 | Electric automobile coaxial-type In-wheel motor driving system synthesis integral structure |
| CN107933300A (en) * | 2017-11-16 | 2018-04-20 | 武汉理工大学 | A kind of electric automobile coaxial-type In-wheel motor driving system synthesis |
| CN108468755A (en) * | 2018-03-31 | 2018-08-31 | 重庆市江津区宏盛机械制造有限公司 | Large-scale heavy duty mining electric truck secondary drive mechanism |
| CN111442068A (en) * | 2019-01-16 | 2020-07-24 | 郑州宇通客车股份有限公司 | Vehicle driving wheel, driving system using same and vehicle |
| CN112440731A (en) * | 2019-08-27 | 2021-03-05 | 比亚迪股份有限公司 | Hub reduction gear, hub power assembly and vehicle |
| CN114164693A (en) * | 2021-12-14 | 2022-03-11 | 合肥神马科技集团有限公司 | Ground shaft transmission structure for steel wire rope equipment |
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Application publication date: 20120321 |