CN203418979U - Double reduction communication driving axle assembly - Google Patents
Double reduction communication driving axle assembly Download PDFInfo
- Publication number
- CN203418979U CN203418979U CN201320349757.2U CN201320349757U CN203418979U CN 203418979 U CN203418979 U CN 203418979U CN 201320349757 U CN201320349757 U CN 201320349757U CN 203418979 U CN203418979 U CN 203418979U
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- driving gear
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Abstract
The utility model discloses a double reduction communication driving axle assembly which comprises a wheel edge speed reducer (1), an input shaft (13), a main speed reducer shell (2), a gap bridge box shell (4), a main cone bearing base (3), a triple tooth (14), a planetary gear (15), a front differential mechanism assembly (16), a half shaft gear (18), a back differential mechanism left bearing (9), a back differential mechanism shell assembly (11), a driving gear (5) and a driven gear (10). The driving gear (5) is meshed with the driven gear (10). The wheel edge part on the outer side of a brake drum is internally provided with the wheel edge speed reducer (1), and the main speed reducer shell (2), the gap bridge box shell (4) and the cone bearing base (3) are combined into a whole. The double reduction communication driving axle assembly is simple in structure, part of components can be combined into an integral structure to enable the structure of the double reduction communication driving axle assembly to be more compact, the weight of the whole bridge assembly is reduced, a driving gear bearing base is removed, the number of parts is reduced, and the reliability of power transmission is improved. Meanwhile, the main speed reducer shell and a gap bridge box are of an integral structure, and the problem that oil leaks from the combination face of the gap bridge box and the main speed reducer shell easily is solved.
Description
technical field:
The utility model relates to drive axle assembly technical field, is that a kind of dual-ratio reduction connects drive axle assembly specifically.
background technology:
The drive axle of dual-ratio reduction perforation at present assembly is widely used in engineering transportation and logistics transportation, and it has been proposed to very high requirement at load, crossing ability and efficiency.Traditional dual-ratio reduction connects drive axle assembly retarder and is divided into three parts: bevel housing, bridge case and gap bridge case lid, binding site is used bolt and sealant, but the impact due to subjective factor and housing working accuracy, easily there is the fault of leakage of oil in bridge case and bevel housing binding site, affects the use that dual-ratio reduction connects drive axle assembly; In addition, the bearing seat of driving gear generally adopts bolt to be connected with reducer shell, but because of the impact of working accuracy, causes driving gear setting accuracy low, easily causes gear failure, affects the use that dual-ratio reduction connects drive axle assembly.
utility model content:
The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, and provide a kind of dual-ratio reduction to connect drive axle assembly, mainly solve existing dual-ratio reduction and connect the problem that drive axle assembly bridge case and the easy oil leakage of bevel housing faying face and driving gear setting accuracy are low.
The technical solution of the utility model is: a kind of dual-ratio reduction connects drive axle assembly, it comprises wheel reduction gear, input shaft, bevel housing, bridge case housing, main cone bearing seat, three teeth, planetary wheel, front differential assembly, axle side gear, rear diff left side bearing, rear differential case assembly, driving gear and driven gear, and driving gear and driven gear are intermeshing; Its special character is: described bevel housing and bridge case housing and main cone bearing seat are integral type structure; The outer bearing of establishing neck bearing, driving gear and the driving gear of driving gear on main cone bearing seat, driving gear and driven cylindrical gear are assembled together and fix; Diff left side bearing after establishing on bevel housing, bearing seat and the bevel housing of rear diff left side bearing are demountable structure; One end of driven gear and rear differential case assembly connects to form an integral body, is then arranged on main decelerating casing; Tapered roller bearing is established on described input shaft top, three teeth are sleeved on input shaft, differential assembly before establish at input shaft middle part, on center cross in front differential assembly, establish planetary wheel, in input shaft bottom, establish axle side gear, on axle side gear, establish bearing, axle side gear and planetary wheel are intermeshing; The total being sleeved on input shaft is arranged on main decelerating casing, and three teeth and driven cylindrical gear are intermeshing; Tapered roller bearing, in bridge case housing, is established adjusting nut on tapered roller bearing; The other end at rear differential case assembly is established wheel reduction gear.
Further, three described teeth are comprised of the slip engaging sleeve end-tooth of integral type, front poor axle side gear portion and cylinder angular gear.
Further, described front differential assembly comprises forward and backward housing.
Further, described rear differential case assembly comprises left and right housing and cover.
Further, described driven gear and driving gear are equal-depth teeth.
Further, bearing seat and the bevel housing of described rear diff left side bearing are demountable structure.
A kind of dual-ratio reduction described in the utility model connects drive axle assembly and compared with the prior art has following good effect: 1, final drive casing and bridge case housing are integral type structure, have solved the problem that the fault of leakage of oil easily occurs for original bridge case housing and bevel housing binding site; 2, bevel housing and main cone bearing seat are integral type structure, save the attachment bolt of bearing seat and reducer shell, have solved the low problem of driving gear setting accuracy, and more compact structure; 3, rear diff right-hand axis bearing is can mounting structure, and this structure is convenient to the assembling of driving gear; 4, the front and back housing of front differential assembly is integral type structure, has saved former being useful on and has connected the bolt that connects two halves housing, has reduced the weight of front differential gear box; 5, driving and driven gear is equal-depth teeth, and the load-carrying capacity of gear promotes 10-15%; 6, on bridge case housing, be respectively arranged with tapered roller bearing, tapered roller bearing can utilize predetermincd tension to adjust the support of front differential assembly; 7, utilize adjusting nut to regulate the gap between planetary wheel and axle side gear, its adjustment operation is simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Drawing explanation:
Differential assembly, 17-bearing, 18-axle side gear, 19-adjusting nut before differential case assembly, 12-tapered roller bearing, 13-input shaft, 14-tri-teeth, 15-planetary wheel, 16-after diff left side bearing, 10-driven gear, 11-after the moving cylindrical wheel of 1-wheel reduction gear, 2-bevel housing, 3-main cone bearing seat, 4-bridge case housing, 5-driving gear, the neck bearing of 6-driving gear, the outer bearing of 7-driving gear, 8-, 9-.
The specific embodiment:
For Comprehension and Implementation better, below in conjunction with accompanying drawing, provide specific embodiment and describe the utility model in detail.
Embodiment 1, referring to Fig. 1, first the wheel reduction gear 1 in brake wheel outside is fixed on axle housing by nut; Bevel housing 2 and the main cone bearing seat 3 formula structure that is processed as one; Neck bearing 6 and the driving gear 5 of adjusting pad, driving gear are fitted on main cone bearing seat 3 successively, then the outer bearing of driving gear 7 are press-fit into place on main cone bearing seat 3, finally driving gear 5 and driven cylindrical gear 8 are assembled together and are fixed; The bearing seat of rear diff left side bearing 9 is assembled together by bolt and bevel housing 2; Driven gear 10, forms a whole by Bolt Connection with rear differential case assembly 11, is then assemblied on main decelerating casing 2, guarantees the engagement of driving gear 5 and driven gear 10; Tapered roller bearing 12 is assemblied on input shaft 13, and is press-fit into place; Three teeth 14 are sleeved on input shaft 13, planetary wheel 15 is contained on the center cross in front differential assembly 16, then front differential assembly 16 is assemblied on input shaft 13, then by adjusting pad, be contained in successively on input shaft 13 with the axle side gear 18 that press-fits rear bearing 17, and axle side gear 18 is intermeshing with planetary wheel 15; The total being sleeved on input shaft 13 is fitted on main decelerating casing 2, guarantee that three teeth 14 are intermeshing with driven cylindrical gear 8, bridge case housing 4 and bevel housing 2 are fixed by Bolt Connection, tapered roller bearing 12 is pressed in bridge case housing 4 simultaneously, then at tapered roller bearing 12, an adjusting nut 19 is set, the gap of adjusting between planetary wheel 15 and axle side gear 18 by adjusting nut 19.
A kind of dual-ratio reduction of the utility model connects drive axle assembly, simple in structure, the part parts formula structure that can be combined as a whole, make dual-ratio reduction connect drive axle assembly structure compacter, reduced the weight of dual-ratio reduction perforation drive axle assembly, bevel housing and bridge case housing are integral type structure, solved the fault that leakage of oil easily occurs for original bridge case housing and bevel housing binding site, bearing seat and the bevel housing of driving gear are integrated, and have solved the low problem of driving gear setting accuracy; On the bearing of input shaft, adjusting nut is set, by locking adjusting nut, bearing can be with driven input shaft to move down, the planetary wheel being arranged on input shaft also can move down, and relative planetary wheel and the gap between axle side gear will diminish, contrary, loosening adjusting nut, input shaft can on move, planetary wheel with on move, it is large that the gap between planetary wheel and axle side gear will become.
Claims (6)
1. a dual-ratio reduction connects drive axle assembly, it comprises wheel reduction gear (1), input shaft (13), bevel housing (2), bridge case housing (4), main cone bearing seat (3), three teeth (14), planetary wheel (15), front differential assembly (16), axle side gear (18), rear diff left side bearing (9), rear differential case assembly (11), driving gear (5) and driven gear (10), and driving gear (5) and driven gear (10) are intermeshing; It is characterized in that: described bevel housing (2) and bridge case housing (4) and main cone bearing seat (3) are integral type structure; On main cone bearing seat (3), establish the outer bearing (7) of neck bearing (6), driving gear (5) and the driving gear of driving gear, driving gear (5) is assembled together and fixes with driven cylindrical gear (8); On bevel housing (2), establish rear diff left side bearing (9), bearing seat and the bevel housing (2) of rear diff left side bearing (9) are demountable structure; Driven gear (10) connects to form an integral body with one end of rear differential case assembly (11), is then arranged on main decelerating casing (2); Tapered roller bearing (12) is established on described input shaft (13) top, three teeth (14) are sleeved on input shaft (13), at input shaft (13) middle part, establish front differential assembly (16), on center cross in front differential assembly (16), establish planetary wheel (15), in input shaft (13) bottom, establish axle side gear (18), on axle side gear (18), establish bearing (17), axle side gear (18) is intermeshing with planetary wheel (15); The total being sleeved on input shaft (13) is arranged on to main decelerating casing (2) above, and three teeth (14) are intermeshing with driven cylindrical gear (8); Tapered roller bearing (12), in bridge case housing (4), is established adjusting nut (19) on tapered roller bearing (12); At the other end of rear differential case assembly (11), establish wheel reduction gear (1).
2. a kind of dual-ratio reduction according to claim 1 connects drive axle assembly, it is characterized in that described three teeth (14) are comprised of the slip engaging sleeve end-tooth of integral type, front poor axle side gear portion and cylinder angular gear.
3. a kind of dual-ratio reduction according to claim 1 connects drive axle assembly, it is characterized in that described front differential assembly (16) comprises forward and backward housing.
4. a kind of dual-ratio reduction according to claim 1 connects drive axle assembly, it is characterized in that described rear differential case assembly (11) comprises left and right housing and cover.
5. a kind of dual-ratio reduction according to claim 1 connects drive axle assembly, it is characterized in that described driven gear (10) and driving gear (5) are equal-depth teeth.
6. a kind of dual-ratio reduction according to claim 1 connects drive axle assembly, it is characterized in that bearing seat and the bevel housing (2) of described rear diff left side bearing (9) is demountable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320349757.2U CN203418979U (en) | 2013-06-19 | 2013-06-19 | Double reduction communication driving axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320349757.2U CN203418979U (en) | 2013-06-19 | 2013-06-19 | Double reduction communication driving axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203418979U true CN203418979U (en) | 2014-02-05 |
Family
ID=50018080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320349757.2U Expired - Lifetime CN203418979U (en) | 2013-06-19 | 2013-06-19 | Double reduction communication driving axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203418979U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033561A (en) * | 2014-06-03 | 2014-09-10 | 柳州五菱汽车有限责任公司 | Automobile and speed reducer thereof |
| CN105216616A (en) * | 2015-10-20 | 2016-01-06 | 山东蓬翔汽车有限公司 | A kind of main reduction gear is with the drive axle of hydraulic retarding function |
| CN105216615A (en) * | 2015-10-14 | 2016-01-06 | 山东蓬翔汽车有限公司 | A kind of hybrid power drive axle |
| CN111022614A (en) * | 2019-11-29 | 2020-04-17 | 方盛车桥（柳州）有限公司 | Main reducer assembly with improved transmission efficiency |
-
2013
- 2013-06-19 CN CN201320349757.2U patent/CN203418979U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033561A (en) * | 2014-06-03 | 2014-09-10 | 柳州五菱汽车有限责任公司 | Automobile and speed reducer thereof |
| CN104033561B (en) * | 2014-06-03 | 2017-12-19 | 广西汽车集团有限公司 | Automobile and its reductor |
| CN105216615A (en) * | 2015-10-14 | 2016-01-06 | 山东蓬翔汽车有限公司 | A kind of hybrid power drive axle |
| CN105216616A (en) * | 2015-10-20 | 2016-01-06 | 山东蓬翔汽车有限公司 | A kind of main reduction gear is with the drive axle of hydraulic retarding function |
| CN111022614A (en) * | 2019-11-29 | 2020-04-17 | 方盛车桥（柳州）有限公司 | Main reducer assembly with improved transmission efficiency |
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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: 20140205 |
|
| CX01 | Expiry of patent term |