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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- 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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- General Engineering & Computer Science (AREA)
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Abstract
The invention is suitable for the field of mechanical transmission devices, in particular to the field of transmission devices for large-tonnage mining dump trucks with electric wheels, and provides a hub reductor for a mine electric drive heavy-duty car. The hub reductor is characterized by adopting three stages of planetary reducing mechanisms; the first-stage and the second-stage planetary reducing mechanisms are differential gear trains; the third-stage planetary reducing mechanism is an ordinary gear train; in first-stage transmission and second-stage transmission, sun gears are power input components, and planet carriers and gear rings are power output components; and in third-stage transmission, a sun gear is a power input component, a planet carrier is fixed, and a gear ring is a power output component. The invention has the benefits that the transmission ratio changes within a large range, so as to transmit even larger torque; one more stage of planetary reducing mechanism is adopted for providing driving torque required by driving the heavy duty car, so that the bending fatigue stress and the contact fatigue stress of a last stage gear are reduced, which ensures higher safety factor; and the axial space utilization rate of the whole hub reductor is improved while the radial space is fully used, so that the integral radiating area is enlarged to achieve integral thermal balance better.
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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| 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 |
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| 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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| PB01 | Publication | ||
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Application publication date: 20120321 |