CN201031926Y - Vehicle disconnection type drive axle central reducer unit assembly - Google Patents
Vehicle disconnection type drive axle central reducer unit assembly Download PDFInfo
- Publication number
- CN201031926Y CN201031926Y CNU2006201585672U CN200620158567U CN201031926Y CN 201031926 Y CN201031926 Y CN 201031926Y CN U2006201585672 U CNU2006201585672 U CN U2006201585672U CN 200620158567 U CN200620158567 U CN 200620158567U CN 201031926 Y CN201031926 Y CN 201031926Y
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- Prior art keywords
- axle
- housing
- differential
- left half
- shaft
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Abstract
An automobile divided drive axle central reducer comprises a contrate input flange disc, a bearing base, an input shaft and a driving angle gear which are connected in a main reducer hull, a driven angle gear and an inter-wheel differential which are arranged in the main reducer hull, a left half shaft and a right half shaft which are arranged in an axle housing and two contrate output flange discs; the contrite input flange disc is fixed on the input shaft and the input shaft is fixed in the bearing base by a bearing; the bearing base is fixed on the main reducer hull; the driven angle gear is fixed on the hull of the inter-wheel differential; the left end of the inter-wheel differential is connected with the contrate output flange discs by the left half shaft, the right end of the inter-wheel differential is connected with the output contrate flange disc by the right half shaft; the right and the left half shafts are separately fixed on the axle housing by bearings and the two ends of the inter-wheel differential are separately arranged on the main reducer hull by bearings. The utility model is fit for the divided axle central reducer of independent pendant with great load, good smoothness and high handling stability; moreover, the structure is compact, the noise is little and the drive is stable.
Description
Technical field
The utility model relates to a kind of divided axle central reducer unit assembly that is used for the automobile independent suspension.
Background technique
Present existing automobile drive axle is mainly SA, and main reducing gear is installed in the SA axle housing, and axle housing is connected with vehicle frame by suspension system, is bearing the load of automobile.This vehicle bridge is not suitable for heavily loaded independent suspension automobile.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of ransaxle central reducer unit that is adapted to heavy duty, independent suspension automobile is provided, and this automobile divided axle central reducer unit compact structure, little, the stable drive of noise.
To achieve these goals, the utility model provides a kind of automobile divided axle central reducer unit assembly, its characteristics are, comprise: end face tooth input flange dish, be installed in input shaft that links together and drive bevel gear in bearing support and the final drive casing, be installed in the final drive casing by dynamic bevel gear, inter-wheel differential, be installed in left half axle, right axle shaft in the axle housing, and both ends of the surface tooth output flange; Described end face tooth input flange dish is fixedlyed connected with described input shaft, described input shaft by bearing fixing in described input housing; Described input housing is fixedlyed connected with described final drive casing, described drive bevel gear and describedly formed engagement by dynamic bevel gear in described final drive casing; On the described housing that is fixed between described the wheel difference device by dynamic bevel gear, the left end of described inter-wheel differential is connected to described output end face flange plate by described left half axle, and the right-hand member of described inter-wheel differential is connected to described output end face flange plate by described right axle shaft; Described left half axle and right axle shaft respectively by bearing fixing on described axle housing, the housing two ends of described inter-wheel differential are installed on the described final drive casing by bearing fixing respectively.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are, described inter-wheel differential comprises: the differential left housing, the differential right casing body, planet wheel, left half axle gear, right axle shaft gear and cross axle, described planet wheel is set on the described cross axle, described left half axle gear is sleeved on described cross axle left half axle, described right axle shaft gear set is at described cross axle right axle shaft, described cross axle left half axle is installed on the described differential left housing, described cross axle right axle shaft is installed on the described differential right casing body, and described differential left housing is fixedlyed connected with described differential right casing body.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are that described inter-wheel differential also comprises differential lock between a wheel that is socketed on the described right axle shaft.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are that a described differential lock of taking turns connects a cylinder that is installed on the described central reducer unit outside by a rocking arm.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are that described axle housing comprises: housing is positioned at the flange plate of the connection automobile frame of housing left and right sides both ends of the surface; Two flange plate and body shell are an one piece casting.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics be, described drive bevel gear, is arc gear wheel by dynamic bevel gear.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are, also be provided with drain oil, pasta peep hole, vent hole and sensor mounting hole on the described axle housing, described drain oil be positioned at described spider center opposite position on, described pasta peep hole is positioned at the housing end face central position of described axle housing, described vent hole be positioned at described left half axle opposite position on, described sensor mounting hole site in and described the wheel on the differential lock opposite position.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are, described left half axle and right axle shaft are separately fixed at bearing on the described axle housing, be deep groove ball bearing, described deep groove ball bearing outer end links to each other with described end face tooth output flange, also is set with the spacer flanger dish with described deep groove ball bearing connecting end on the described end face tooth output flange.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are, are provided with the rotary lip seal circle in the described spacer flanger dish, and its external diameter cooperates with the internal diameter of described spacer flanger dish, and internal diameter cooperates with the external diameter of described output flange.
Above-mentioned automobile divided axle central reducer unit assembly, its characteristics are, one end of described left half axle is provided with involute splines, cooperate with described left half axle gear, the other end is provided with rectangular spline and cooperates with end face tooth output flange, and an end of described right axle shaft is provided with involute splines, with described right axle shaft gear matched, the other end is provided with rectangular spline and cooperates with end face tooth output flange, and the neutral position also is provided with the involute splines of the described differential lock of an installation.
Effect of the present utility model is compared with prior art have following advantage:
1. the present invention changes the integral drive axle shell into the divided axle axle housing, is rigidly connected by bolt hole and vehicle frame on axle housing two end flange.Make the effect of its crossbeam of having held concurrently.The common bearing load of axle housing and vehicle frame, stressed reducing improved its life-span safe in utilization.The height of axle housing can suitably improve, thereby has improved the ground Clearance, can mate different wheel reductors by main reducing gear independently, thereby obtain the divided axle of different speed ratios, axle load.
2. be non-sprung mass no longer owing to divided axle central reducer unit assembly, thereby improved the mobility of car load and the requirement of smoothness.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is a structural profile schematic representation of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the inter-wheel differential generalized section;
Fig. 4 is the generalized section of axle housing;
Fig. 5 is the utility model right axle shaft schematic representation;
Fig. 6 is the utility model left half axle schematic representation.
Wherein, reference character
1 axle housing, 2 end face tooth output flanges
3 drive bevel gear 4 are by dynamic bevel gear
5 inter-wheel differentials, 6 right axle shafts
7 left half axles, 8 spacer flanger dishes
9,16,18,21 nuts, 14 bolts
20 cotter pins of 17 end face tooth input flange dishes
22 deep groove ball bearings, 27,28 rotary lip seal circles
30 bearing supports, 31 final drive casings
33 take turns a differential lock 40 drain oils
41,42 flange plate, 43 pasta peep holes
45,46 bolts hole, 47 housings
51 cylinders, 52 rocking arms
53 vent holes, 54 sensor mounting holes
61,62 involute spliness, 63 rectangular splines
71,72,73,74 circular cone roller bearings, 75,76,87,77 bolts
81 planetary pinions, 82 left half axle gears
83 right axle shaft gears, 84 differential left housings
85 differential right casing bodies, 86 cross axles
Embodiment
See also Fig. 1, Fig. 2 the utility model structural drawing, Fig. 3 inter-wheel differential schematic representation, Fig. 4 axle housing schematic representation, Fig. 5, Fig. 6 right axle shaft and left half axle schematic representation.
The utility model comprises: end face tooth input flange dish 17, be installed in the bearing support 30 in the bearing support, be installed in active spiral bevel gear 3 that links to each other with input shaft in the final drive casing 31 and the passive spiral bevel gear 4 that is engaged with, inter-wheel differential 5, be installed in left half axle 7, right axle shaft 6 in the axle housing body 1, and both ends of the surface tooth output flange 2, wherein, end face tooth input flange dish and both ends of the surface tooth output flange are Ф 165 end face tooth flange plate.
Drive bevel gear 3 is given by two circular cone roller bearings 71,72 and tightly being installed in the bearing support 30, and is by nut 18 that Φ 165 end face tooth flange plate 17 are fixing with drive bevel gear 3, drive bevel gear 3 can only be rotatablely moved, and do not have axial motion.
As shown in Figure 3, inter-wheel differential 5 is by differential left housing 84, differential right casing body 85, four planetary pinions 81, and left half axle gear 82, right axle shaft gear 83, cross axle 86 are formed.Four planetary pinions 81, left half axle gear 82, right axle shaft gears 83 are sleeved on the cross axle 86, cross axle 86 is installed on differential left housing 84, the differential right casing body 85, by bolt 87 that differential left housing 84, differential right casing body 85 is fixing as a whole again, will be installed on the inter-wheel differential 5 by dynamic bevel gear 4 again.
As shown in Figure 1, to install by the inter-wheel differential 5 of dynamic bevel gear 4, be installed in the final drive casing 31 by two circular cone roller bearings 73,74, two ends are fixed on the final drive casing 31 by locking nut 21 respectively, make it to rotatablely move and do not move axially, final drive casing 31 is an integral cast steel spare, connects bearing support 30, final drive casing 31 fastening by bolt 75.The integral body and the axle housing 1 that will connect fastening bearing support 30 final drive casings 31 by bolt 76 is fixed together again.
As shown in Figure 4, axle housing body 1 is the integral cast steel structure, its wall thickness is 16mm, comprise: housing 47, be positioned at the flange plate 41,42 of the connection automobile frame of housing left and right sides both ends of the surface, two flange plate and shell cast are integral, and flange plate 41,42 thickness at two ends are that 30mm has bolt hole 45,46 on it, can be connected with vehicle frame; Be provided with drain oil 40 with the spider center opposite position on the axle housing 1, on housing end face central position, pasta peep hole 43 be set, and on the described left half axle opposite position vent hole 53 is set.
As Fig. 1, Fig. 3, Fig. 5, shown in Figure 6, be involute splines in left half axle gear 82, the right axle shaft gear 83, an end of right axle shaft 6, left half axle 7 is an involute splines 61, cooperates with left half axle gear 82, right axle shaft gear 83 respectively; The other end is a rectangular spline 63, respectively be output as Ф 165 end face tooth flange plate 2 and cooperate; The neutral position of right axle shaft 6 also has one section involute splines 62, differential lock 33 is installed on involute splines 62 positions of right axle shaft 6; Deep groove ball bearing 22, rotary lip seal circle 28,27, spacer flanger dish 8 are installed in respectively on right axle shaft 6, the left half axle 7 successively, be installed on the axle housing 1 by bolt 14, nut 16 lockings, right axle shaft 6, left half axle 7 can only only rotatablely move in axle housing 1 and axially not motion like this, will be output as Ф 165 end face tooth flange plate 2 by nut 9 and cotter pin 20 at last and be separately fixed on right axle shaft 6, the left half axle 7.
As shown in Figure 2, Rocker arm 52 is connected with differential lock 33, cylinder 51 1 ends are fixed by bolts on axle housing 1 outside, the other end and Rocker arm 52 are hinged.Be provided with sensor mounting hole installation differential lock sensor on the axle housing and between wheel on the differential lock opposite position.Cylinder has the interface can external compressed air, and pressurized air scope 0.55～0.8mpa when cylinder 51 elongations, drives Rocker arm 52, and rocking arm drives differential lock 33 and slides on right axle shaft 6, makes differential lock 33 and differential mechanism 5 be combined into as a whole.
Working procedure of the present utility model: power is input as Ф 165 end face tooth input flange dishes 17, through drive bevel gear 3, by dynamic bevel gear 4, turn round by main being increased by the gear ratio reduction of speed of dynamic bevel gear, simultaneously the transmission of power direction is changed 90 degree, be connected with differential casing in the differential mechanism 5 by dynamic bevel gear 4, by cross axle 86 with on transmission of power to four planetary pinion 81, again power is delivered to left half axle gear 82 respectively by planetary mechanism, on the right axle shaft gear 83, more respectively by left half axle 7, right axle shaft 6 outputs power to two ends and is on the Ф 165 end face tooth flange plate 2; If make the moment of torsion rotating speed of left half axle 7, right axle shaft 6 outputs identical, can feed pressurized air to cylinder 51, then cylinder 51 elongations drive Rocker arm 52; rocking arm drives differential lock assembly 33 and slides on right axle shaft 6, make 33 to be combined into as a whole with differential assembly 5.At this moment planetary mechanism no longer works, and left and right sides moment of torsion is identical.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. automobile divided axle central reducer unit assembly, it is characterized in that, comprise: end face tooth input flange dish, be installed in input shaft that links together and drive bevel gear in bearing support and the final drive casing, be installed in the final drive casing by dynamic bevel gear, inter-wheel differential, be installed in left half axle, right axle shaft in the axle housing, and both ends of the surface tooth output flange; Described end face tooth input flange dish is fixedlyed connected with described input shaft, described input shaft by bearing fixing in described bearing support; Described bearing support is fixedlyed connected with described final drive casing, described drive bevel gear and describedly formed engagement by dynamic bevel gear in described final drive casing; On the described housing that is fixed between described the wheel difference device by dynamic bevel gear, the left end of described inter-wheel differential is connected to described output end face flange plate by described left half axle, and the right-hand member of described inter-wheel differential is connected to described output end face flange plate by described right axle shaft; Described left half axle and right axle shaft respectively by bearing fixing on described axle housing, the housing two ends of described inter-wheel differential are installed on the described final drive casing by bearing fixing respectively.
2. automobile divided axle central reducer unit assembly according to claim 1, it is characterized in that, described inter-wheel differential comprises: the differential left housing, the differential right casing body, planet wheel, left half axle gear, right axle shaft gear and cross axle, described planet wheel is set on the described cross axle, described left half axle gear is sleeved on described cross axle left half axle, described right axle shaft gear set is at described cross axle right axle shaft, described cross axle left half axle is installed on the described differential left housing, described cross axle right axle shaft is installed on the described differential right casing body, and described differential left housing is fixedlyed connected with described differential right casing body.
3. automobile divided axle central reducer unit assembly according to claim 1 and 2 is characterized in that described inter-wheel differential also comprises differential lock between a wheel that is socketed on the described right axle shaft.
4. automobile divided axle central reducer unit assembly according to claim 3 is characterized in that, a described differential lock of taking turns connects a cylinder that is installed on the described central reducer unit outside by a rocking arm.
5. automobile divided axle central reducer unit assembly according to claim 1 is characterized in that described axle housing comprises: housing is positioned at the flange plate of the connection automobile frame of housing left and right sides both ends of the surface; Described two flange plate and housing are an one piece casting.
6. automobile divided axle central reducer unit assembly according to claim 1 is characterized in that, described drive bevel gear, is arc gear wheel by dynamic bevel gear.
7. automobile divided axle central reducer unit assembly according to claim 1 or 5, it is characterized in that, also be provided with drain oil, pasta peep hole, vent hole and sensor mounting hole on the described axle housing, described drain oil be positioned at described spider center opposite position on, described pasta peep hole is positioned at the housing end face central position of described axle housing, described vent hole be positioned at described left half axle opposite position on, described sensor mounting hole site in and described the wheel on the differential lock opposite position.
8. automobile divided axle central reducer unit assembly according to claim 1, it is characterized in that, described left half axle and right axle shaft are separately fixed at bearing on the described axle housing, be deep groove ball bearing, described deep groove ball bearing outer end links to each other with described end face tooth output flange, also is set with the spacer flanger dish with described deep groove ball bearing connecting end on the described end face tooth output flange.
9. automobile divided axle central reducer unit assembly according to claim 8, it is characterized in that, be provided with the rotary lip seal circle in the described spacer flanger dish, its external diameter cooperates with the internal diameter of described spacer flanger dish, and internal diameter cooperates with the external diameter of described output flange.
10. automobile divided axle central reducer unit assembly according to claim 1 and 2, it is characterized in that, one end of described left half axle is provided with involute splines, cooperate with described left half axle gear, the other end is provided with rectangular spline and cooperates with end face tooth output flange, and an end of described right axle shaft is provided with involute splines, with described right axle shaft gear matched, the other end is provided with rectangular spline and cooperates with end face tooth output flange, and the neutral position also is provided with the involute splines of the described differential lock of an installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201585672U CN201031926Y (en) | 2006-11-24 | 2006-11-24 | Vehicle disconnection type drive axle central reducer unit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201585672U CN201031926Y (en) | 2006-11-24 | 2006-11-24 | Vehicle disconnection type drive axle central reducer unit assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201031926Y true CN201031926Y (en) | 2008-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201585672U Expired - Lifetime CN201031926Y (en) | 2006-11-24 | 2006-11-24 | Vehicle disconnection type drive axle central reducer unit assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201031926Y (en) |
Cited By (12)
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| CN104044455A (en) * | 2014-04-09 | 2014-09-17 | 宁波莱姆格迪童车科技有限公司 | Four-wheel drive transmission system for juvenile automobile |
| CN104132101A (en) * | 2014-06-24 | 2014-11-05 | 北京中研信福传动技术有限公司 | Face gear transmission type axle main reducer assembly |
| CN104214304A (en) * | 2014-09-18 | 2014-12-17 | 武汉理工大学 | Arc-tooth non-conical gear antiskid differential mechanism |
| CN104930164A (en) * | 2015-06-15 | 2015-09-23 | 湖北航天技术研究院特种车辆技术中心 | Disconnected type drive axle main reducer assembly |
| CN105134944A (en) * | 2015-09-24 | 2015-12-09 | 重庆大江工业有限责任公司 | Automobile driving axle main reducer assembly with separation/combination mechanism |
| CN106080039A (en) * | 2016-07-29 | 2016-11-09 | 重庆动霸科技有限公司 | The double of loading motorcycle drive back axle |
| CN107215192A (en) * | 2017-07-19 | 2017-09-29 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle and its mechanical locking formula differential bridge |
| CN107314099A (en) * | 2017-07-24 | 2017-11-03 | 泸州开士乐工程技术有限责任公司 | A kind of multipurpose main reducing gear |
| CN107364335A (en) * | 2017-07-24 | 2017-11-21 | 泸州开士乐工程技术有限责任公司 | A kind of automobile main reducer is connected transmission device with hub reduction gear |
| CN108916365A (en) * | 2018-05-30 | 2018-11-30 | 汽解放汽车有限公司 | A kind of vehicle bridge retarder lightweight structure |
| CN109532335A (en) * | 2017-09-21 | 2019-03-29 | 上汽通用五菱汽车股份有限公司 | A kind of automobile rear driving axle assembly |
| CN110091710A (en) * | 2019-05-21 | 2019-08-06 | 苏伟 | A kind of retarder of new-energy automobile |
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2006
- 2006-11-24 CN CNU2006201585672U patent/CN201031926Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044455B (en) * | 2014-04-09 | 2016-08-17 | 宁波市胜源技术转移有限公司 | A kind of four-drive transmission system system of juvenile automobile |
| CN104044455A (en) * | 2014-04-09 | 2014-09-17 | 宁波莱姆格迪童车科技有限公司 | Four-wheel drive transmission system for juvenile automobile |
| CN104132101A (en) * | 2014-06-24 | 2014-11-05 | 北京中研信福传动技术有限公司 | Face gear transmission type axle main reducer assembly |
| CN104214304B (en) * | 2014-09-18 | 2017-03-29 | 武汉理工大学 | Curved tooth not rounded bevel gear limited slip differential |
| CN104214304A (en) * | 2014-09-18 | 2014-12-17 | 武汉理工大学 | Arc-tooth non-conical gear antiskid differential mechanism |
| CN104930164A (en) * | 2015-06-15 | 2015-09-23 | 湖北航天技术研究院特种车辆技术中心 | Disconnected type drive axle main reducer assembly |
| CN105134944A (en) * | 2015-09-24 | 2015-12-09 | 重庆大江工业有限责任公司 | Automobile driving axle main reducer assembly with separation/combination mechanism |
| CN106080039A (en) * | 2016-07-29 | 2016-11-09 | 重庆动霸科技有限公司 | The double of loading motorcycle drive back axle |
| CN106080039B (en) * | 2016-07-29 | 2019-02-01 | 重庆动霸科技有限公司 | Double drive rear axles of loading motorcycle |
| CN107215192A (en) * | 2017-07-19 | 2017-09-29 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle and its mechanical locking formula differential bridge |
| CN107314099A (en) * | 2017-07-24 | 2017-11-03 | 泸州开士乐工程技术有限责任公司 | A kind of multipurpose main reducing gear |
| CN107364335A (en) * | 2017-07-24 | 2017-11-21 | 泸州开士乐工程技术有限责任公司 | A kind of automobile main reducer is connected transmission device with hub reduction gear |
| CN109532335A (en) * | 2017-09-21 | 2019-03-29 | 上汽通用五菱汽车股份有限公司 | A kind of automobile rear driving axle assembly |
| CN108916365A (en) * | 2018-05-30 | 2018-11-30 | 汽解放汽车有限公司 | A kind of vehicle bridge retarder lightweight structure |
| CN110091710A (en) * | 2019-05-21 | 2019-08-06 | 苏伟 | A kind of retarder of new-energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080305 |
|
| EXPY | Termination of patent right or utility model |