CN104088991A - Light differential case for heavy trucks - Google Patents
Light differential case for heavy trucks Download PDFInfo
- Publication number
- CN104088991A CN104088991A CN201410354795.6A CN201410354795A CN104088991A CN 104088991 A CN104088991 A CN 104088991A CN 201410354795 A CN201410354795 A CN 201410354795A CN 104088991 A CN104088991 A CN 104088991A
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- CN
- China
- Prior art keywords
- end difference
- ladder section
- bore
- bench
- differential carrier
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- 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.)
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Classifications
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a light differential case for heavy trucks. The light differential case for the heavy trucks comprises a differential case body. The differential case body is in a round step shape and is sequentially provided with a first step part, a second step part and a third step part, and the calibers of the outer walls of the first step part, the second step part and the third step part are gradually larger. A plurality of flange connecting holes are evenly distributed in the circumferential edge of the third step part. The differential case body is internally provided with a cavity for containing a differential, and the cavity is in a step shape and is sequentially provided with a first step section, a second step section, a third step section, a fourth step section and a fifth step section, wherein the calibers of the first step section, the second step section, the third step section, the fourth step section and the fifth step section are gradually larger. The light differential case for the heavy trucks has the advantages that the shapes and the sizes of the outer contour of the differential case and the cavity in the case are reasonably designed, the weight of the differential case is reduced, and kinetic energy consumption of a transmission system is reduced.
Description
Technical field
The present invention relates to a kind of differential carrier, particularly a kind of lightweight heavily blocks differential carrier.
Background technique
Along with " energy-conserving and environment-protective " more and more become the research topic of extensive concern, lightweight is also widely applied to truck field, can also have outstanding oil-saving discharging-reducing performance improving in handling.The oil consumption of automobile depends primarily on the discharge capacity of motor and the gross mass of automobile, keeping under Integral automobile quality, the constant prerequisite of even optimizing of performance, reduce automobile own wt and can improve output power, reduce noise, promote handling, reliability, improve the speed of a motor vehicle, reduce oil consumption, reduce discharge amount of exhaust gas, promote Security.Have research numeral to show, if vehicle complete vehicle weight reducing 10%, fuel efficiency can improve 6%-8%; If running resistance reduces 10%, fuel efficiency can improve 3%; If the transmission efficiency of the device such as vehicle bridge, speed changer improves 10%, fuel efficiency can improve 7%.Automotive body accounts for 30% of automobile gross mass, and under no-load condition, approximately 70% oil consumption is used on body quality.Therefore, vehicle body lightens all of great advantage for the fuel economy of car load, consumption reduction emission reduction, safety reliability etc.
Automobile differential is the main part of ransaxle, its effect is exactly in the semiaxis transferring power of both sides, allow both sides semiaxis with different rotating speed rotations, meet two sidecar wheels and do equidistantly not travel with the form of pure rolling as far as possible, reduce the friction on tire and ground.Differential mechanism mainly comprises two planetary pinions and sun gear, drives planetary gear rotation by driving gear, and power is transmitted by sun gear and semiaxis.The housing of traditional differential mechanism is mainly columniform sleeve, in order to ensure the steadiness of housing and to have enough differential mechanism placement spaces, the volume of general housing is larger, and the wall thickness of housing is thicker, the strength of the centrifugal action producing when planetary pinion being run up with guarantee housing self, but thickening housing wall thickness takes up room larger on the one hand, need on the other hand to expend more material, manufacture cost is higher, differential housing is heavier simultaneously, increase complete vehicle weight, therefore worked out a kind of light-weighted differential carrier imperative.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of lightweight lightweight, that cost is low and heavily blocks differential carrier.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of lightweight heavily blocks differential carrier, and its innovative point is: comprise a differential carrier body;
Described differential carrier body is rounded stepped, be followed successively by the first end difference, the second end difference and the 3rd end difference, and the first end difference, the bore of the outer wall of the second end difference and the 3rd end difference increases gradually, described the first end difference and the second end difference, between the second end difference and the 3rd end difference, be arc transition, the first end difference and the second end difference are circular, the outer end indentation of described the first end difference, the 3rd end difference entirety is round table-like, and the side of the 3rd end difference is circular-arc, be evenly distributed with several flange connecting holes at the circumferential edges of the 3rd end difference,
In described differential carrier body, have and hold the cavity that differential mechanism packs into, described cavity is stepped, be followed successively by the first ladder section, second-order bench, the 3rd ladder section, quadravalence bench and the 5th ladder section, and the first ladder section, second-order bench, the 3rd ladder section, the bore of quadravalence bench and the 5th ladder section increases gradually, the first ladder section, second-order bench, the 3rd ladder section and the 5th ladder section are cylindric, quadravalence bench is round table-like, described the first ladder section and second-order bench, second-order bench and the 3rd ladder section, angled transition between the 3rd ladder Duan Yu quadravalence bench, horizontal transition between quadravalence bench and the 5th ladder section.
Further, the bore of the outer wall of described the first end difference is 105.6mm, and length is 50mm, and the bore of the outer wall of the second end difference is 122mm, the bore of one end that the 3rd end difference bore is larger is 375mm, and the total length of the second end difference and the 3rd end difference is 90mm.
Further, the bore of described the first ladder section is 64mm, and the bore of second-order bench is 69mm, the bore of the 3rd ladder section is 82mm, the bore of small-bore one end of quadravalence bench is 122mm, and the bore of bigbore one end is 218mm, and the bore of the 5th ladder section is 230mm.
Further, the R radius between described the first end difference and the second end difference is 2.5mm, and the R radius between the second end difference and the 3rd end difference is 30mm.
The invention has the advantages that: shape and size by the external frame to differential carrier housing and housing inner cavity reasonably design, can not only meet the technical performances such as the rigidity of support of housing itself, also alleviated the gross weight of differential carrier simultaneously, reduce manufacture cost, reduced the kinetic energy consumption of transmission system.
Brief description of the drawings
Fig. 1 is the front view that lightweight of the present invention heavily blocks differential carrier.
Fig. 2 is the side view that lightweight of the present invention heavily blocks differential carrier.
Embodiment
Schematic diagram is as shown in Figures 1 and 2 known, and lightweight of the present invention heavily blocks differential carrier and comprises a differential carrier body.
Differential carrier body is rounded stepped, be followed successively by the first end difference 1, the second end difference 2 and the 3rd end difference 3, and the first end difference 1, the bore of the outer wall of the second end difference 2 and the 3rd end difference 3 increases gradually, the first end difference 1 and the second end difference 2, between the second end difference 2 and the 3rd end difference 3, be arc transition, R degree between the first end difference 1 and the second end difference 2 is 2.5mm, R degree between the second end difference 2 and the 3rd end difference 3 is 30mm, the first end difference 1 and the second end difference 2 are circular, the outer end indentation of the first end difference 1, the 3rd end difference 3 entirety are round table-like, and the side of the 3rd end difference 3 is circular-arc, be evenly distributed with several flange connecting holes 10 at the circumferential edges of the 3rd end difference 3.In the present embodiment, flange connecting hole 10 1 has 12, and the diameter of single flange connecting hole 10 is 20.2mm.
The bore of the outer wall of the first end difference 1 is 105.6mm, the length of the first end difference 1 is 50mm, the bore of the outer wall of the second end difference 2 is 122mm, and the bore of one end that the 3rd end difference 3 bores are larger is 375mm, and the total length of the second end difference 2 and the 3rd end difference 3 is 90mm.
In differential carrier body, have and hold the cavity that differential mechanism packs into, this cavity is stepped, be followed successively by the first ladder section 5, second-order bench 6, the 3rd ladder section 7, quadravalence bench 8 and the 5th ladder section 9, and the first ladder section 5, second-order bench 6, the 3rd ladder section 7, the bore of quadravalence bench 8 and the 5th ladder section 9 increases gradually, the first ladder section 5, second-order bench 6, the 3rd ladder section 7 and the 5th ladder section 9 are cylindric, quadravalence bench 8 is round table-like, the first ladder section 5 and second-order bench 6, second-order bench 6 and the 3rd ladder section 7, angled transition between the 3rd ladder section 7 and quadravalence bench 8, horizontal transition between quadravalence bench 8 and the 5th ladder section 9.The length of the line segment tilting between the first ladder section 5 and second-order bench 6 is 2.5mm, and the length of the line segment tilting between second-order bench 6 and the 3rd ladder section 7 is 6.5mm.
The bore of the first ladder section 5 is 64mm, the bore of second-order bench 6 is 69mm, and the bore of the 3rd ladder section 7 is 82mm, and the bore of small-bore one end of quadravalence bench 8 is 122mm, the bore of bigbore one end of quadravalence bench 8 is 218mm, and the bore of the 5th ladder section 9 is 230mm.
More than show and described basic principle of the present invention and 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; that in above-described embodiment and specification, describes 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.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. lightweight heavily blocks a differential carrier, it is characterized in that: comprise a differential carrier body;
Described differential carrier body is rounded stepped, be followed successively by the first end difference, the second end difference and the 3rd end difference, and the first end difference, the bore of the outer wall of the second end difference and the 3rd end difference increases gradually, described the first end difference and the second end difference, between the second end difference and the 3rd end difference, be arc transition, the first end difference and the second end difference are circular, the outer end indentation of described the first end difference, the 3rd end difference entirety is round table-like, and the side of the 3rd end difference is circular-arc, be evenly distributed with several flange connecting holes at the circumferential edges of the 3rd end difference,
In described differential carrier body, have and hold the cavity that differential mechanism packs into, described cavity is rounded stepped, be followed successively by the first ladder section, second-order bench, the 3rd ladder section, quadravalence bench and the 5th ladder section, and the first ladder section, second-order bench, the 3rd ladder section, the bore of quadravalence bench and the 5th ladder section increases gradually, the first ladder section, second-order bench, the 3rd ladder section and the 5th ladder section are cylindric, quadravalence bench is round table-like, described the first ladder section and second-order bench, second-order bench and the 3rd ladder section, angled transition between the 3rd ladder Duan Yu quadravalence bench, horizontal transition between quadravalence bench and the 5th ladder section.
2. lightweight according to claim 1 heavily blocks differential carrier, it is characterized in that: the bore of the outer wall of described the first end difference is 105.6mm, length is 50mm, the bore of the outer wall of the second end difference is 122mm, the bore of one end that the 3rd end difference bore is larger is 375mm, and the total length of the second end difference and the 3rd end difference is 90mm.
3. lightweight according to claim 1 heavily blocks differential carrier, it is characterized in that: the bore of described the first ladder section is 64mm, the bore of second-order bench is 69mm, the bore of the 3rd ladder section is 82mm, the bore of small-bore one end of quadravalence bench is 122mm, the bore of heavy caliber one end is 218mm, and the bore of the 5th ladder section is 230mm.
4. lightweight according to claim 1 heavily blocks differential carrier, it is characterized in that: the R semicircle between described the first end difference and the second end difference is 2.5mm, and the R semicircle between the second end difference and the 3rd end difference is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354795.6A CN104088991A (en) | 2014-07-24 | 2014-07-24 | Light differential case for heavy trucks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354795.6A CN104088991A (en) | 2014-07-24 | 2014-07-24 | Light differential case for heavy trucks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104088991A true CN104088991A (en) | 2014-10-08 |
Family
ID=51636733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354795.6A Pending CN104088991A (en) | 2014-07-24 | 2014-07-24 | Light differential case for heavy trucks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104088991A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332565A (en) * | 2018-08-13 | 2019-02-15 | 湖北三环锻造有限公司 | Differential carrier forges blind hole punching technology again |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644317A (en) * | 2008-08-04 | 2010-02-10 | 株式会社捷太格特 | Vehicle differential apparatus |
| JP2010254186A (en) * | 2009-04-27 | 2010-11-11 | Toyota Motor Corp | Differential case |
| CN202228634U (en) * | 2011-07-14 | 2012-05-23 | 青特集团有限公司 | Sealed differential device |
| CN202327026U (en) * | 2011-12-08 | 2012-07-11 | 上汽依维柯红岩商用车有限公司 | Small-speed-ratio differential case |
| US20140013886A1 (en) * | 2012-07-16 | 2014-01-16 | Caterpillar, Inc. | Axle Porting to Legs |
| CN203516687U (en) * | 2013-11-07 | 2014-04-02 | 陕西汉德车桥有限公司 | Automobile drive axle compensating gear rear differential gear casing |
| CN204041958U (en) * | 2014-07-24 | 2014-12-24 | 江苏汤臣汽车零部件有限公司 | Lightweight is card differential carrier heavily |
-
2014
- 2014-07-24 CN CN201410354795.6A patent/CN104088991A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644317A (en) * | 2008-08-04 | 2010-02-10 | 株式会社捷太格特 | Vehicle differential apparatus |
| JP2010254186A (en) * | 2009-04-27 | 2010-11-11 | Toyota Motor Corp | Differential case |
| CN202228634U (en) * | 2011-07-14 | 2012-05-23 | 青特集团有限公司 | Sealed differential device |
| CN202327026U (en) * | 2011-12-08 | 2012-07-11 | 上汽依维柯红岩商用车有限公司 | Small-speed-ratio differential case |
| US20140013886A1 (en) * | 2012-07-16 | 2014-01-16 | Caterpillar, Inc. | Axle Porting to Legs |
| CN203516687U (en) * | 2013-11-07 | 2014-04-02 | 陕西汉德车桥有限公司 | Automobile drive axle compensating gear rear differential gear casing |
| CN204041958U (en) * | 2014-07-24 | 2014-12-24 | 江苏汤臣汽车零部件有限公司 | Lightweight is card differential carrier heavily |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332565A (en) * | 2018-08-13 | 2019-02-15 | 湖北三环锻造有限公司 | Differential carrier forges blind hole punching technology again |
| CN109332565B (en) * | 2018-08-13 | 2020-04-10 | 湖北三环锻造有限公司 | Differential case forging blind hole re-punching process |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141008 |
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| RJ01 | Rejection of invention patent application after publication |