CN201777129U - High-torque hub reduction double-axle assembly - Google Patents
High-torque hub reduction double-axle assembly Download PDFInfo
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- CN201777129U CN201777129U CN2010202825504U CN201020282550U CN201777129U CN 201777129 U CN201777129 U CN 201777129U CN 2010202825504 U CN2010202825504 U CN 2010202825504U CN 201020282550 U CN201020282550 U CN 201020282550U CN 201777129 U CN201777129 U CN 201777129U
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Abstract
A high-torque hub reduction double-axle assembly relates to a hub reduction axle of the automobile industry. The high-torque hub reduction double-axle assembly comprises a middle axle casing assembly, a middle axle main reduction assembly, a hub assembly and a brake assembly, an axle casing of the middle axle casing assembly is integrally cast and formed by alloy cast steel materials, a shaft tube is in interference fit with the axle casing, the hub assembly comprises a hub, a hub inner bearing, a hub outer bearing, a planet support assembly, an inner gear ring, a wheel reduction casing assembly, a planet wheel axle and a planet wheel, an outer ring of the hub inner bearing matches with the hub, an inner ring of the hub inner bearing matches with the shaft tube, an inner ring of the hub outer bearing matches with the planet support assembly, an outer ring of the hub outer bearing matches with the hub, the bearing thickness of connection positions of the hub, the hub inner bearing and the hub outer bearing ranges from 24mm to 30mm, and both the hub inner bearing and the hub outer bearing are 32222 bearings. The high-torque hub reduction double-axle assembly with the structure has the advantages of strong bearing capacity, fine reliability and fine dynamic property and the like.
Description
Technical field
The utility model relates to a kind of hub reduction bridge of auto manufacturing.
Background technology
The max. output torque of the Steyr on the home market, benz hub reduction doube bridge is less than normal at present, in addition because the interaxle differential and the hub reduction partial fault rate of Steyr, benz hub reduction doube bridge are higher, twist off easily when its drive bevel gear rigidity deficiency simultaneously, the driving engine of equipped high-power.Along with economic development, truck freight volume constantly promotes, and puts more effort owing to administer overload in recent years, and the development of Chinese road haulage, and domestic trade enterprise also begins to consider the economy of transporting, and the truck industry is just beginning to develop towards the heavy-duty direction in the native land.And Steyr in the market, benz hub reduction doube bridge can not satisfy the requirement of heavy duty truck.
The utility model content
The purpose of this utility model provides all strong high pulling torque hub reduction doube bridge assembly of a kind of reliability, dynamic property and load-carrying capacity.
The technical scheme that the utility model adopts for achieving the above object is: a kind of high pulling torque hub reduction doube bridge assembly, comprise middle axle case assy, the jackshaft master subtracts assembly, wheel limit assembly, brake assembly, described jackshaft master subtracts assembly and is fixed on the middle axle case assy by bolted connection, middle axle case assy two ends are provided with central siphon, described take turns the limit assembly by bearing fixing on the central siphon of middle axle case assy, on the flange of described brake assembly by axle case assy in being bolted to, the axle housing of axle case assy adopts alloy cast steel material monolithic casting in described, cooperating between the axle housing of central siphon and middle axle case assy is interference fit, the described limit assembly of taking turns comprises wheel hub, hub inner bearing, the wheel hub outer bearing, jump ring, the planet stent assembly, internally toothed annulus, wheel subtracts housing assy, inner nut, locking plate, outer nut, sun wheel, semiaxis, planet wheel spindle, satellite gear, the outer ring of described hub inner bearing cooperates with wheel hub, the inner ring of hub inner bearing cooperates with central siphon, the inner ring of described wheel hub outer bearing cooperates with the planet stent assembly, wheel hub outer bearing outer ring cooperates with wheel hub, described planet stent assembly cooperates with central siphon by spline, pass through inner nut, locking plate, outer nut is pressed on planet stent assembly and wheel hub on the central siphon, described internally toothed annulus is fixed on the planet stent assembly by jump ring, internally toothed annulus is provided with wheel outward and subtracts housing assy, described planet wheel spindle press be assigned in the wheel subtract in the housing assy, described satellite gear is connected on the planet wheel spindle, described semiaxis is connected in the endoporus of central siphon and outside the outstanding central siphon, be connected with sun wheel on the semiaxis outside the outstanding central siphon, satellite gear is meshed with internally toothed annulus and sun wheel respectively, the bearing position wall thickness of described wheel hub and hub inner bearing and wheel hub outer bearing junction is 24-30mm, described hub inner bearing, the wheel hub outer bearing all is 32222 bearings.
The further technical scheme of utility model is: described jackshaft master subtracts assembly and comprises triple gear, sliding engaged cover, driven cylindrical gear, axle side gear, the straight-tooth of triple gear and driven cylindrical gear engagement, the end face groove of triple gear cooperates with the sliding engaged cover, the helical teeth of triple gear and axle side gear engagement.
The further technical scheme of utility model is: fill two row's needle rollers in the described satellite gear internal diameter, and be provided with spacer ring between two row's needle rollers.
The big moment of torsion hub reduction of the utility model doube bridge assembly has following beneficial effect: 1, the big moment of torsion hub reduction of the strong the utility model of load-carrying capacity doube bridge assembly is owing to adopt said structure, and the bearing position wall thickness thickening of wheel hub and hub inner bearing and wheel hub outer bearing junction, hub inner bearing, wheel hub outer bearing strengthen simultaneously, make the load-carrying capacity grow of high pulling torque hub reduction doube bridge assembly.
2, reliability, the big moment of torsion hub reduction of good dynamic property the utility model doube bridge assembly adopt the design of three toothings because the jackshaft master subtracts assembly, make that its structure is tighter plays, and driving efficiency increases, total quality alleviates; Axle housing adopts alloy cast steel material monolithic casting, central siphon and axle housing interference fit, and central siphon is compressed into into axle housing by elevated temperature heat, makes that the intensity of axle housing and rigidity are better; Simultaneously, fill two row's needle rollers in the satellite gear internal diameter and be provided with spacer ring between the needle rollers, can effectively improve transmission and reduce wear two rows.
Below in conjunction with drawings and Examples the utility model high pulling torque hub reduction doube bridge assembly is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model high pulling torque hub reduction doube bridge assembly.
Fig. 2 is the local enlarged diagram of the wheel limit assembly of the utility model high pulling torque hub reduction doube bridge assembly.
Fig. 3 is the local enlarged diagram that the jackshaft master of the utility model high pulling torque hub reduction doube bridge assembly subtracts assembly.
Element numbers explanation: 1-hub inner bearing, 2-wheel hub, 3-wheel hub outer bearing, the 4-jump ring, 5-planet stent assembly, 6-internally toothed annulus, the 7-wheel subtracts housing assy, 8-inner nut, 9-locking plate, the 10-outer nut, 11-sun wheel anti-attrition pad, 12-sun wheel, the 13-semiaxis, 14-planet wheel spindle, 15-satellite gear, the 16-needle roller, 17-spacer ring, 18-satellite gear anti-attrition pad, the 19-central siphon, 20-triple gear, 21-sliding engaged cover, the 22-driven cylindrical gear, the 23-axle side gear, axle case assy among the A-, B-jackshaft master subtracts assembly, C-wheel limit assembly, the D-brake assembly.
The specific embodiment
As shown in Figure 1 to Figure 3, the utility model high pulling torque hub reduction doube bridge assembly, axle case assy A, jackshaft master subtract assembly B, wheel limit assembly C, brake assembly D in comprising, the jackshaft master subtracts assembly and is fixed on the middle axle case assy by bolted connection, middle axle case assy two ends are provided with central siphon 19, on the central siphon 19 of middle axle case assy, brake assembly is by on the flange (not indicating among the figure) that is bolted to middle axle case assy by bearing fixing for wheel limit assembly.
The axle housing of axle case assy adopts alloy cast steel material monolithic casting in described, and cooperating between central siphon 19 and axle housing is interference fit, and central siphon 19 is compressed into into axle housing by elevated temperature heat, and axle housing intensity and rigidity are better like this.
Described jackshaft master subtracts assembly and comprises triple gear 20, sliding engaged cover 21, driven cylindrical gear 22, axle side gear 23, the straight-tooth of triple gear 20 and driven cylindrical gear 22 engagements, the end face groove of triple gear 20 cooperates with sliding engaged cover 21, the helical teeth of triple gear 20 and axle side gear 23 engagements.
Brake assembly is connected with compressed air brake cylinder, in order to improve braking force moment, increases traffic safety, adopts the brake assembly and the compressed air brake cylinder (not indicating among the figure) that strengthen.
The described limit assembly of taking turns comprises that wheel hub 2, hub inner bearing 1, wheel hub outer bearing 3, jump ring 4, planet stent assembly 5, internally toothed annulus 6, wheel subtract housing assy 7, inner nut 8, locking plate 9, outer nut 10, sun wheel 12, semiaxis 13, planet wheel spindle 14, satellite gear 15.The outer ring of hub inner bearing 1 cooperates with wheel hub 2, and the inner ring of hub inner bearing 1 cooperates with central siphon 19.The inner ring of wheel hub outer bearing 3 cooperates with planet stent assembly 5, and wheel hub outer bearing 3 outer rings cooperate with wheel hub 2.Planet stent assembly 5 cooperates with central siphon 19 by spline, by inner nut 8, locking plate 9, outer nut 10 planet stent assembly 5 and wheel hub 2 is pressed on the central siphon 19.Internally toothed annulus 6 is fixed on the planet stent assembly 5 by jump ring 4, and the internally toothed annulus 6 outer wheels that are provided with subtract housing assy 7.Planet wheel spindle 14 presses and is assigned in wheel and subtracts in the housing assy 7, fills two row's needle rollers 16 in satellite gear 15 internal diameters, and two rows are provided with spacer ring 17 between the needle rollers 16, when satellite gear 15 is connected on the planet wheel spindle 14, and planet wheel spindle 14 extruding needle rollers 16.Semiaxis 13 is connected in the endoporus of central siphon 19 and outside the outstanding central siphon 19, be connected with sun wheel 12 on the semiaxis 13 outside the outstanding central siphon 19, wherein sun wheel 12 and semiaxis 13 are connected by spline, sun wheel 12 is packed into to take turns after semiaxis 13 cooperates and is subtracted housing assy 7, guarantees sun wheel 12 and be arranged on to take turns five satellite gear correct engagement that subtract in the housing assy 7.Described satellite gear 15 is meshed with internally toothed annulus 6 and sun wheel 12 respectively, and satellite gear 15 two ends are lined with satellite gear anti-attrition pad 18 respectively, and sun wheel 12 two ends are lined with sun wheel anti-attrition pad 11 respectively.Described hub inner bearing 1, wheel hub outer bearing 3 all are 32222 bearings.Described wheel hub 2 is 27mm with the bearing position wall thickness of hub inner bearing 1 and wheel hub outer bearing 3 junctions, thickeies the wall thickness of hub bearing position, and strengthens the model of hub inner bearing 1, wheel hub outer bearing 3, and the wheel hub rigidity is strengthened, thereby increases the load-carrying capacity on wheel limit.
As conversion of the present utility model: the bearing position wall thickness of wheel hub and hub inner bearing and wheel hub outer bearing junction also is not limited to the described thickness of the foregoing description, its thickness suitably can be thickeied or attenuate, bearing position wall thickness as wheel hub and hub inner bearing and wheel hub outer bearing junction can also can be 25mm or 28mm, as long as the conversion of being done in the utility model category all belongs to category of the present utility model; The structure that the jackshaft master of the foregoing description subtracts assembly is an optimum structure of the present utility model, and the structure that the jackshaft master subtracts assembly also is not limited to the described structure of the foregoing description; Filling the structure that is provided with spacer ring between two row's needle rollers and the two row's needle rollers in the satellite gear internal diameter of the foregoing description is optimum structure of the present utility model, also needle roller can be set on the satellite gear.
Claims (3)
1. high pulling torque hub reduction doube bridge assembly, comprise middle axle case assy (A), the jackshaft master subtracts assembly (B), wheel limit assembly (C), brake assembly (D), described jackshaft master subtracts assembly and is fixed on the middle axle case assy by bolted connection, middle axle case assy two ends are provided with central siphon (19), described take turns the limit assembly by bearing fixing on the central siphon (19) of middle axle case assy, on the flange of described brake assembly by axle case assy in being bolted to, it is characterized in that, the axle housing of axle case assy adopts alloy cast steel material monolithic casting in described, cooperating between the axle housing of central siphon (19) and middle axle case assy is interference fit, the described limit assembly of taking turns comprises wheel hub (2), hub inner bearing (1), wheel hub outer bearing (3), jump ring (4), planet stent assembly (5), internally toothed annulus (6), wheel subtracts housing assy (7), inner nut (8), locking plate (9), outer nut (10), sun wheel (12), semiaxis (13), planet wheel spindle (14), satellite gear (15), the outer ring of described hub inner bearing (1) cooperates with wheel hub (2), the inner ring of hub inner bearing (1) cooperates with central siphon (19), the inner ring of described wheel hub outer bearing (3) cooperates with planet stent assembly (5), wheel hub outer bearing (3) outer ring cooperates with wheel hub (2), described planet stent assembly (5) cooperates with central siphon (19) by spline, by inner nut (8), locking plate (9), outer nut (10) is pressed on planet stent assembly (5) and wheel hub (2) on the central siphon (19), described internally toothed annulus (6) is fixed on the planet stent assembly (5) by jump ring (4), the outer wheel that is provided with of internally toothed annulus (6) subtracts housing assy (7), described planet wheel spindle (14) press be assigned in the wheel subtract in the housing assy (7), described satellite gear (15) is connected on the planet wheel spindle (14), described semiaxis (13) is connected in the endoporus of central siphon (19) and outside the outstanding central siphon (19), be connected with sun wheel (12) on the semiaxis (13) outside the outstanding central siphon, satellite gear (15) is meshed with internally toothed annulus (6) and sun wheel (12) respectively, described wheel hub (2) is 24-30mm with the bearing position wall thickness of hub inner bearing (1) and wheel hub outer bearing (3) junction, described hub inner bearing (1), wheel hub outer bearing (3) all is 32222 bearings.
2. high pulling torque hub reduction doube bridge assembly as claimed in claim 1, it is characterized in that: described jackshaft master subtracts assembly and comprises triple gear (20), sliding engaged cover (21), driven cylindrical gear (22), axle side gear (23), the straight-tooth of triple gear (20) and driven cylindrical gear (22) engagement, the end face groove of triple gear (20) cooperates with sliding engaged cover (21), the helical teeth of triple gear (20) and axle side gear (23) engagement.
3. high pulling torque hub reduction doube bridge assembly as claimed in claim 2 is characterized in that: fill two row's needle rollers (16) in described satellite gear (15) internal diameter, and be provided with spacer ring (17) between two row's needle rollers (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202825504U CN201777129U (en) | 2010-08-05 | 2010-08-05 | High-torque hub reduction double-axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202825504U CN201777129U (en) | 2010-08-05 | 2010-08-05 | High-torque hub reduction double-axle assembly |
Publications (1)
| Publication Number | Publication Date |
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| CN201777129U true CN201777129U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202825504U Expired - Lifetime CN201777129U (en) | 2010-08-05 | 2010-08-05 | High-torque hub reduction double-axle assembly |
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| CN (1) | CN201777129U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975579A (en) * | 2011-09-06 | 2013-03-20 | 日立建机株式会社 | Travel drive device for dump truck |
| CN103307259A (en) * | 2013-06-04 | 2013-09-18 | 中国第一汽车股份有限公司 | Novel wheel edge regulating and positioning structure |
| CN104747679A (en) * | 2013-12-27 | 2015-07-01 | 陕西汉德车桥有限公司 | Inter-axle differential with NGW planet gears |
| CN105465283A (en) * | 2015-12-11 | 2016-04-06 | 方盛车桥（柳州）有限公司 | Helical tooth planet gear speed reduction mechanism |
| CN109532475A (en) * | 2019-01-08 | 2019-03-29 | 广西合浦县惠来宝机械制造有限公司 | A kind of band planetary gear speed reducing mechanism used with tractor vehicle bridge |
| CN109973588A (en) * | 2019-04-18 | 2019-07-05 | 一汽解放汽车有限公司 | A kind of gear ring support and the integrated structure of hub bearing |
| CN110561970A (en) * | 2019-09-17 | 2019-12-13 | 泰州神舟传动科技有限公司 | Waterproof wheel limit system of engineering mixer truck |
-
2010
- 2010-08-05 CN CN2010202825504U patent/CN201777129U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975579A (en) * | 2011-09-06 | 2013-03-20 | 日立建机株式会社 | Travel drive device for dump truck |
| CN102975579B (en) * | 2011-09-06 | 2016-04-27 | 日立建机株式会社 | The running driving device of tip car |
| CN103307259A (en) * | 2013-06-04 | 2013-09-18 | 中国第一汽车股份有限公司 | Novel wheel edge regulating and positioning structure |
| CN103307259B (en) * | 2013-06-04 | 2016-01-20 | 中国第一汽车股份有限公司 | A kind of Novel wheel-side adjustment position structure |
| CN104747679A (en) * | 2013-12-27 | 2015-07-01 | 陕西汉德车桥有限公司 | Inter-axle differential with NGW planet gears |
| CN105465283A (en) * | 2015-12-11 | 2016-04-06 | 方盛车桥（柳州）有限公司 | Helical tooth planet gear speed reduction mechanism |
| CN109532475A (en) * | 2019-01-08 | 2019-03-29 | 广西合浦县惠来宝机械制造有限公司 | A kind of band planetary gear speed reducing mechanism used with tractor vehicle bridge |
| CN109973588A (en) * | 2019-04-18 | 2019-07-05 | 一汽解放汽车有限公司 | A kind of gear ring support and the integrated structure of hub bearing |
| CN110561970A (en) * | 2019-09-17 | 2019-12-13 | 泰州神舟传动科技有限公司 | Waterproof wheel limit system of engineering mixer truck |
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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: 20110330 |
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| CX01 | Expiry of patent term |