CN105240497A - Automobile transmission - Google Patents
Automobile transmission Download PDFInfo
- Publication number
- CN105240497A CN105240497A CN201510692719.0A CN201510692719A CN105240497A CN 105240497 A CN105240497 A CN 105240497A CN 201510692719 A CN201510692719 A CN 201510692719A CN 105240497 A CN105240497 A CN 105240497A
- Authority
- CN
- China
- Prior art keywords
- shell body
- bearing
- right shell
- input shaft
- left shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
Abstract
The invention provides an automobile transmission. The automobile transmission comprises a left shell body, an input shaft and a right shell body. The left shell body and the right shell body are oppositely fixed together. The input shaft is borne on the left shell body and the right shell body through bearings. A middle shaft is borne on the left shell body and the right shell body through middle shaft bearings. A differential mechanism shell is borne on the left shell body and the right shell body through differential mechanism bearings. The middle of the input shaft is connected with an outer spline of a motor output shaft through an inner spline, and an input shaft gear is arranged on the input shaft. The middle shaft is sequentially provided with a middle shaft gear and a middle shaft driven gear. The input shaft gear is engaged with the middle shaft driven gear, and the middle shaft gear is engaged with a main reduction gear on a differential mechanism through fixing screws. According to the automobile transmission, differential-reduction integrated design is achieved, and the structure is compact; as a connecting connector is reasonably arranged, abnormal sounds caused by the insufficient rigidity when the automobile transmission is connected with a finished automobile are effectively reduced; and meanwhile, as a high-speed sealing oil seal is designed, the high-speed forward and backward rotating sealing performance is achieved.
Description
Technical field
The present invention relates to automotive transmission technical field, be specially a kind of automotive transmission.
Background technique
Automobile has become the traffic tool indispensable in people's daily life and industrial and agricultural production, in " 12 " planning, automobile industry technology also becomes the field that the Department of Science and Technology gives special assistance to, namely strided forward to automobile power by automobile superpower, have the practical capability of independent innovation, the international breakthrough of kernel component, realizes real industrial upgrading.Therefore, how innovate to realize this goal by science and technology and just become current and must the core topic that solves of emphasis in future automobile industry development.
Car deceleration device by gear transmission, passes to Running System the power of motor with suitable moment of torsion and rotating speed, to adapt to automobile requirement to traction and travelling speed under different road conditions.All there is certain difficulty in the retarder height rotating speed low noise aspect that existing automobile adopts, because layout is unreasonable, and gear modification, processing technology ensures that ability is inadequate, and axle system poor rigidity thus affect the transmission accuracy of gears meshing; Make the driving of automobile, power character and economic index all be difficult to improve, make it be difficult to meet the requirement of electric powered motor coupling to driveline retarder.
Summary of the invention
Technical problem solved by the invention is to provide a kind of automotive transmission, to solve the problem in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions: a kind of automotive transmission, comprise: left shell, input shaft, right shell body, left shell, right shell body is fixed together in opposite directions, left shell, right shell body is fixed on platform by stud bolt, locating stud is provided with outside right shell body, described input shaft is bearing on left shell and right shell body by bearing, input shaft and left shell joint are provided with seal ring, input shaft and right shell body joint are provided with high-speed sealing oil sealing, jack shaft is bearing on left shell and right shell body by midship shaft bearing, differential carrier is bearing on left shell and right shell body by differential bearing, the centre of described input shaft is connected with the external splines of motor output shaft by internal spline, described input shaft is provided with input shaft gear, described jack shaft is provided with successively countershaft-gear, jack shaft driven gear, wherein input gear engages with jack shaft passive tooth, and countershaft-gear subtracts gears meshing by the master on retaining screw and differential mechanism.
Described differential mechanism is arranged on left shell, right shell body bottom by differential carrier, differential carrier and left shell, joint, right shell body both sides are provided with differential support post, differential support post and left shell, joint, right shell body both sides are provided with seal washer, and seal washer and left shell, joint, right shell body both sides are provided with oil seal of differential.
Described midship shaft bearing and left shell and right shell body joint are provided with midship shaft bearing pad.
Described bearing of input shaft and left shell and right shell body joint are provided with bearing of input shaft pad.
Described left shell, right shell body lower end are connected and fixed by housing fixing bolt.
Described bearing of input shaft is ball bearing; Midship shaft bearing is roller bearing; Differential bearing is ball bearing.
Described high-speed sealing oil sealing comprises rubber body, skeleton, spring, rubber body are connected with skeleton; Spring is connected with rubber body.
Compared with public technology, there is following advantage in the present invention: the present invention by differential, deceleration integrated design, compact structure; Maximum input torque 310N.m, can meet motor speed and mate up to the vehicle of 10000rpm; Connection interface connection and reasonable arrangement, effectively reduces when being connected with car load, the abnormal sound caused because rigidity is not enough; Meanwhile, high-speed sealing stem seal design, meets high speed clockwise and anticlockwise sealability; In addition, assembly turbidity test of the present invention are restricted to 100mg, and the quiet intensity reserve coefficient of turning round of assembly is not less than 3.0, and the average transmission efficiency of assembly is not less than 96.5%.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is high-speed sealing oil seal structure schematic diagram of the present invention.
Embodiment
Object is reached and effect is easy to understand in order to make technological means of the present invention, creation characteristic, workflow, using method, below in conjunction with the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Fig. 1, shown in Fig. 2, a kind of automotive transmission, comprise: left shell 2, input shaft 5, right shell body 17, left shell 2, right shell body 17 is fixed together in opposite directions, left shell 2, right shell body 17 is fixed on platform by stud bolt 1, locating stud 19 is provided with outside right shell body 17, described input shaft 5 is bearing on left shell 2 and right shell body 17 by bearing 3, input shaft 5 and left shell 2 joint are provided with seal ring 7, input shaft 5 and right shell body 17 joint are provided with high-speed sealing oil sealing 18, jack shaft 9 is bearing on left shell 2 and right shell body 17 by midship shaft bearing 10, differential carrier 26 is bearing on left shell 2 and right shell body 17 by differential bearing 15, the centre of described input shaft 5 is connected with the external splines of motor output shaft by internal spline, described input shaft 5 is provided with input shaft gear, described jack shaft 9 is provided with successively countershaft-gear, jack shaft driven gear 6, wherein input gear 5 engages with jack shaft passive tooth 6, and countershaft-gear 9 subtracts gear 11 by retaining screw 12 with the master on differential mechanism and engages.
Described differential mechanism is arranged on left shell 2, right shell body 17 bottom by differential carrier 26, differential carrier 26 and left shell 2, joint, right shell body 17 both sides are provided with differential support post 15, differential support post 15 and left shell 2, joint, right shell body 17 both sides are provided with seal washer 13, and seal washer 13 and left shell 2, joint, right shell body 17 both sides are provided with oil seal of differential 14.
Described midship shaft bearing 10 is provided with midship shaft bearing pad 8 with left shell 2 and right shell body 17 joint.
Described bearing of input shaft 3 is provided with bearing of input shaft pad 4 with left shell 2 and right shell body 17 joint.
Described left shell 2, right shell body 17 lower end are connected and fixed by housing fixing bolt 16.
Described right shell body 17 and left shell 2 are Al-alloy parts, and bearing of input shaft 3 is ball bearing; Midship shaft bearing 10 is roller bearing; Differential bearing 15 is ball bearing.
As shown in Figure 3, described high-speed sealing oil sealing 18 comprises rubber body 181, skeleton 182, spring 183, rubber body 181 be connected with skeleton 182; Spring 183 is connected with rubber body 181.
Working principle of the present invention is:
Power plant drive jack shaft driven gear 6 by input shaft spline through input shaft gear, and jack shaft driven gear 6 drives differential gear 11 by countershaft-gear 9, differential gear 11 by power transmission to live axle.
The present invention by differential, deceleration integrated design, compact structure; Bearing play adjusts and is accurate to 0.14-0.19mm under 50-100N pressure, decreases noise, and it is good that casing joint surface smears sealer tightness, and oil sealing employing high-speed sealing structural design, meets high speed clockwise and anticlockwise sealing.
More than show and describe basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. an automotive transmission, comprise: left shell, input shaft, right shell body, it is characterized in that: left shell, right shell body is fixed together in opposite directions, left shell, right shell body is fixed on platform by stud bolt, locating stud is provided with outside right shell body, described input shaft is bearing on left shell and right shell body by bearing, input shaft and left shell joint are provided with seal ring, input shaft and right shell body joint are provided with high-speed sealing oil sealing, jack shaft is bearing on left shell and right shell body by midship shaft bearing, differential carrier is bearing on left shell and right shell body by differential bearing, the centre of described input shaft is connected with the external splines of motor output shaft by internal spline, described input shaft is provided with input shaft gear, described jack shaft is provided with successively countershaft-gear, jack shaft driven gear, wherein input gear engages with jack shaft passive tooth, and countershaft-gear subtracts gears meshing by the master on retaining screw and differential mechanism.
2. a kind of automotive transmission according to claim 1, it is characterized in that: described differential mechanism is arranged on left shell, right shell body bottom by differential carrier, differential carrier and left shell, joint, right shell body both sides are provided with differential support post, differential support post and left shell, joint, right shell body both sides are provided with seal washer, and seal washer and left shell, joint, right shell body both sides are provided with oil seal of differential.
3. a kind of automotive transmission according to claim 1, is characterized in that: described midship shaft bearing and left shell and right shell body joint are provided with midship shaft bearing pad.
4. a kind of automotive transmission according to claim 1, is characterized in that: described bearing of input shaft and left shell and right shell body joint are provided with bearing of input shaft pad.
5. a kind of automotive transmission according to claim 1, is characterized in that: described left shell, right shell body lower end are connected and fixed by housing fixing bolt.
6. a kind of automotive transmission according to claim 1, is characterized in that: described bearing of input shaft is ball bearing; Midship shaft bearing is roller bearing; Differential bearing is ball bearing.
7. a kind of automotive transmission according to claim 1, is characterized in that: described high-speed sealing oil sealing comprises rubber body, skeleton, spring, rubber body are connected with skeleton; Spring is connected with rubber body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692719.0A CN105240497A (en) | 2015-10-21 | 2015-10-21 | Automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692719.0A CN105240497A (en) | 2015-10-21 | 2015-10-21 | Automobile transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240497A true CN105240497A (en) | 2016-01-13 |
Family
ID=55038267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692719.0A Pending CN105240497A (en) | 2015-10-21 | 2015-10-21 | Automobile transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240497A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372977A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | Electricity drives bridge list speed variable device |
| CN112610669A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Reduction gearbox for new energy electric drive bridge |
| CN113669433A (en) * | 2021-08-11 | 2021-11-19 | 安徽星瑞齿轮传动有限公司 | Large-torque speed reducer assembly of pure electric passenger car |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063489Y (en) * | 2007-04-12 | 2008-05-21 | 应方顺 | Electric vehicle motor with decelerator |
| JP2009058022A (en) * | 2007-08-30 | 2009-03-19 | Toyota Motor Corp | Drive device |
| CN201851605U (en) * | 2010-10-26 | 2011-06-01 | 唐超 | Two-gear speed reducer of electric vehicle |
| CN201875102U (en) * | 2010-10-20 | 2011-06-22 | 无锡晶华汽车零部件有限公司 | Speed reducer for four-wheel drive electric vehicle |
| CN201881893U (en) * | 2010-11-29 | 2011-06-29 | 李祥 | Integral differential motor assembly used on electric vehicle |
| CN201902518U (en) * | 2010-07-20 | 2011-07-20 | 浙江中马汽车变速器股份有限公司 | Second gear decelerator assembly for electromobile |
| CN202023886U (en) * | 2011-05-03 | 2011-11-02 | 株洲欧格瑞传动股份有限公司 | Electric vehicle reducer |
| CN202228647U (en) * | 2011-08-26 | 2012-05-23 | 安徽星瑞齿轮传动有限公司 | Automobile transmission case |
| CN202531790U (en) * | 2012-03-19 | 2012-11-14 | 天津市祥威传动设备有限公司 | Replacing and maintaining structure of wind power gearbox output shaft |
| CN202531763U (en) * | 2012-03-23 | 2012-11-14 | 重庆川渝精工机械配件开发有限公司 | Speed change differential reducer assembly for electric vehicle |
| CN202612575U (en) * | 2012-05-25 | 2012-12-19 | 安徽星瑞齿轮传动有限公司 | Car transmission box |
| CN202833915U (en) * | 2012-09-04 | 2013-03-27 | 嘉兴敏凯汽车零部件有限公司 | Electric vehicle reducer assembly structure |
| CN205078737U (en) * | 2015-10-21 | 2016-03-09 | 安徽星瑞齿轮传动有限公司 | Automobile speed changer |
-
2015
- 2015-10-21 CN CN201510692719.0A patent/CN105240497A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063489Y (en) * | 2007-04-12 | 2008-05-21 | 应方顺 | Electric vehicle motor with decelerator |
| JP2009058022A (en) * | 2007-08-30 | 2009-03-19 | Toyota Motor Corp | Drive device |
| CN201902518U (en) * | 2010-07-20 | 2011-07-20 | 浙江中马汽车变速器股份有限公司 | Second gear decelerator assembly for electromobile |
| CN201875102U (en) * | 2010-10-20 | 2011-06-22 | 无锡晶华汽车零部件有限公司 | Speed reducer for four-wheel drive electric vehicle |
| CN201851605U (en) * | 2010-10-26 | 2011-06-01 | 唐超 | Two-gear speed reducer of electric vehicle |
| CN201881893U (en) * | 2010-11-29 | 2011-06-29 | 李祥 | Integral differential motor assembly used on electric vehicle |
| CN202023886U (en) * | 2011-05-03 | 2011-11-02 | 株洲欧格瑞传动股份有限公司 | Electric vehicle reducer |
| CN202228647U (en) * | 2011-08-26 | 2012-05-23 | 安徽星瑞齿轮传动有限公司 | Automobile transmission case |
| CN202531790U (en) * | 2012-03-19 | 2012-11-14 | 天津市祥威传动设备有限公司 | Replacing and maintaining structure of wind power gearbox output shaft |
| CN202531763U (en) * | 2012-03-23 | 2012-11-14 | 重庆川渝精工机械配件开发有限公司 | Speed change differential reducer assembly for electric vehicle |
| CN202612575U (en) * | 2012-05-25 | 2012-12-19 | 安徽星瑞齿轮传动有限公司 | Car transmission box |
| CN202833915U (en) * | 2012-09-04 | 2013-03-27 | 嘉兴敏凯汽车零部件有限公司 | Electric vehicle reducer assembly structure |
| CN205078737U (en) * | 2015-10-21 | 2016-03-09 | 安徽星瑞齿轮传动有限公司 | Automobile speed changer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372977A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | Electricity drives bridge list speed variable device |
| CN112610669A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Reduction gearbox for new energy electric drive bridge |
| CN113669433A (en) * | 2021-08-11 | 2021-11-19 | 安徽星瑞齿轮传动有限公司 | Large-torque speed reducer assembly of pure electric passenger car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160113 |