CN104088984B - A kind of light-weighted semi-trailer differential carrier - Google Patents
A kind of light-weighted semi-trailer differential carrier Download PDFInfo
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- CN104088984B CN104088984B CN201410354728.4A CN201410354728A CN104088984B CN 104088984 B CN104088984 B CN 104088984B CN 201410354728 A CN201410354728 A CN 201410354728A CN 104088984 B CN104088984 B CN 104088984B
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- end difference
- order
- bore
- differential carrier
- ladder section
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
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Abstract
The present invention relates to a kind of light-weighted semi-trailer differential carrier, including a differential carrier body；Described differential carrier body is stepped, is followed successively by the first end difference, the second end difference, the 3rd end difference, fourth order ladder portion and the 5th end difference, and the circumferential surface in fourth order ladder portion is distributed several flange connecting hole；This internal cavity with a receiving differential mechanism loading of described differential carrier, this cavity is stepped, is followed successively by the first ladder section, second-order bench, the 3rd ladder section and fourth order bench.It is an advantage of the current invention that: by the outline of differential carrier housing and the shape of housing internal cavity and size are reasonably designed, the technical performances such as the rigidity of support that can not only meet housing itself, also reduce the gross weight of differential carrier simultaneously, reduce manufacturing cost, reduce the kinetic energy consumption of drive system.
Description
Technical field
The present invention relates to a kind of differential carrier, particularly to a kind of light-weighted semi-trailer differential carrier.
Background technology
Along with " energy-conserving and environment-protective " have increasingly becomed the research topic of extensive concern, lightweight is also widely applied to truck field, outstanding oil-saving discharging-reducing can also be had to show while raising is handling.The oil consumption of automobile depends primarily on the discharge capacity of electromotor and the gross mass of automobile, on the premise of keeping the constant even optimization of automobile overall quality, performance, reduce automobile own wt to improve output, reduce noise, promote handling, reliability, improve speed, reduce oil consumption, reduce discharge amount of exhaust gas, promote safety.Having research numerical monitor, if vehicle complete vehicle weight reduction 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, variator improves 10%, fuel efficiency can improve 7%.Body of a motor car accounts for the 30% of automobile gross mass, and under no-load condition, the oil consumption of about 70% is used on body quality.Therefore, vehicle body lighten the fuel economy for car load, vehicle reduce CER, security reliability etc. the most of great advantage.
Automobile differential is the main part of drive axle, and its effect is exactly while both sides semiaxis transmission power, it is allowed to both sides semiaxis rotates with different rotating speeds, meets two sidecar wheels and makees Unequal distance traveling with the form of pure rolling as far as possible, reduces the friction of tire and ground.Differential mechanism mainly includes two planetary gears and central gear, drives planetary gear rotation by travelling gear, is transmitted with semiaxis by central gear by power.The sleeve that the housing of traditional differential mechanism is the most cylindrical, in order to ensure the steadiness of housing and exist enough
Differential mechanism placement space, the volume of general housing is bigger, and the wall thickness of housing is thicker, to ensure the holding capacity of the centrifugal action produced when planetary gear is run up by housing self, but thicken housing wall thickness and on the one hand take up room relatively big, on the other hand need to expend more material, manufacturing cost is higher, differential housing is heavier simultaneously, adds complete vehicle weight, therefore works 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 low cost, lightweight light-weighted semi-trailer differential carrier.
For solving above-mentioned technical problem, the technical scheme is that a kind of light-weighted semi-trailer differential carrier, its innovative point is: include a differential carrier body；
Described differential carrier body is stepped, it is followed successively by the first end difference, second end difference, 3rd end difference, fourth order ladder portion and the 5th end difference, and first end difference, second end difference, 3rd end difference, the bore in the 5th end difference and fourth order ladder portion increases successively, described first end difference, 3rd end difference, fourth order ladder portion and the 5th end difference are cylindrical, second end difference is round table-like, and first end difference be located remotely from one end of the second end difference, fourth order ladder portion is respectively provided with a circular arc lead angle near one end of the 3rd end difference, circumferential surface in fourth order ladder portion is distributed several flange connecting hole；
This internal cavity with a receiving differential mechanism loading of described differential carrier, this cavity is stepped, it is followed successively by the first ladder section, second-order bench, the 3rd ladder section and fourth order bench, and the bore of the first ladder section, second-order bench, the 3rd ladder section and fourth order bench increases successively, described first ladder section, second-order bench and fourth order bench are cylindrical, 3rd ladder section is round table-like, and its side is arc-shaped, it is respectively provided with a circular arc lead angle away from one end, the fourth order bench of the 3rd ladder section near one end of the 3rd ladder section in second-order bench.
Further, the bore of described first end difference is ∮ 120mm, the R degree of the lead angle of the first end difference is ∮ 10mm, a diameter of ∮ 144mm of one end that the bore of the second end difference is little, a diameter of ∮ 164mm of one end that bore is big, the total length of the first end difference and the second end difference is 29mm, the bore of the 3rd end difference is ∮ 164mm, a length of 14mm, the bore in fourth order ladder portion is ∮ 210mm, a length of 27mm, and the R degree of the lead angle in fourth order ladder portion is ∮ 12.5mm, the bore of the 5th end difference is ∮ 204mm, a length of 6mm.
Further, the bore of described first ladder section is 94mm, the R degree of the lead angle of the first ladder section is ∮ 10mm, the bore of second-order bench is ∮ 142mm, a diameter of ∮ 142mm of one end that the 3rd ladder section bore is little, a diameter of ∮ 160mm of one end that bore is big, the bore of fourth order bench is ∮ 166mm, and the R degree of the lead angle of fourth order bench is ∮ 1.5mm.
Further, described differential carrier body is positioned at the surrounding of flange connecting hole away from there being a reinforcement.
It is an advantage of the current invention that: by the outline of differential carrier housing and the shape of housing internal cavity and size are reasonably designed, the technical performances such as the rigidity of support that can not only meet housing itself, also reduce the gross weight of differential carrier simultaneously, reduce manufacturing cost, reduce the kinetic energy consumption of drive system.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the lightweight 13T semitrailer differential carrier of the present invention.
Fig. 2 is the front view of the lightweight 13T semitrailer differential carrier of the present invention.
Fig. 3 is the side view of the lightweight 13T semitrailer differential carrier of the present invention.
Detailed description of the invention
Schematic diagram as shown in Figure 1, Figure 2 and Figure 3 understands, and the light-weighted semi-trailer differential carrier of the present invention includes a differential carrier body.
Differential carrier body is stepped, it is followed successively by the first end difference 1, second end difference 2, 3rd end difference 3, fourth order ladder portion 4 and the 5th end difference 5, and first end difference 1, second end difference 2, 3rd end difference 3, the bore in the 5th end difference 5 and fourth order ladder portion 4 increases successively, first end difference 1, 3rd end difference 3, fourth order ladder portion 4 and the 5th end difference 5 are cylindrical, second end difference 2 is in round table-like, and first end difference 1 be located remotely from one end of the second end difference 2, fourth order ladder portion 4 is respectively provided with a circular arc lead angle near one end of the 3rd end difference 3, circumferential surface in fourth order ladder portion 4 is distributed several flange connecting hole 10.
Differential carrier body is positioned at the surrounding of flange connecting hole 10 away from there being a reinforcement 11.In the present embodiment, flange connecting hole 10 1 has 8, and the bore of single flange connecting hole 10 is ∮ 14mm.
The bore of the first end difference 1 is ∮ 120mm, the R degree of the lead angle of the first end difference 1 is ∮ 10mm, a diameter of ∮ 144mm of one end that the bore of the second end difference 2 is little, a diameter of ∮ 164mm of one end that the bore of the second end difference 2 is big, the total length of the first end difference 1 and the second end difference 2 is 29mm, a diameter of ∮ 164mm of the 3rd end difference 3, the a length of 14mm of the 3rd end difference 3, the bore in fourth order ladder portion 4 is ∮ 210mm, the a length of 27mm in fourth order ladder portion 4, the R degree of the lead angle in fourth order ladder portion 4 is ∮ 12.5mm, the bore of the 5th end difference 5 is ∮ 204mm, the a length of 6mm of the 5th end difference 5.
This internal cavity with a receiving differential mechanism loading of differential carrier, this cavity is stepped, it is followed successively by the first ladder section 9, second-order bench 8, 3rd ladder section 7 and fourth order bench 6, and the first ladder section 9, second-order bench 8, the bore of the 3rd ladder section 7 and fourth order bench 6 increases successively, first ladder section 9, second-order bench 8 and fourth order bench 6 are cylindrical, 3rd ladder section 7 is in round table-like, and the 3rd the side of ladder section 7 be arc-shaped, in second-order bench 8 away from one end of the 3rd ladder section 7, fourth order bench 6 is respectively provided with a circular arc lead angle near one end of the 3rd ladder section 7.
The bore of the first ladder section 9 is ∮ 94mm, the R degree of the lead angle of the first ladder section 9 is ∮ 10mm, the bore of second-order bench 8 is ∮ 142mm, first ladder section 9 is 43mm with the total length of second-order bench 8, a diameter of ∮ 142mm of one end that the 3rd ladder section 7 bore is little, a diameter of ∮ 160mm of one end that the 3rd ladder section 7 bore is big, the a length of 32mm of the 3rd ladder section 7, the bore of fourth order bench 6 is ∮ 166mm, the R degree of the lead angle of fourth order bench 6 is ∮ 1.5mm, a length of 6mm of fourth order bench 6.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; 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 both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. a light-weighted semi-trailer differential carrier, it is characterised in that: include a differential carrier body；Described differential carrier body is stepped, it is followed successively by the first end difference, second end difference, 3rd end difference, fourth order ladder portion and the 5th end difference, and first end difference, second end difference, 3rd end difference, the bore in the 5th end difference and fourth order ladder portion increases successively, described first end difference, 3rd end difference, fourth order ladder portion and the 5th end difference are cylindrical, second end difference is round table-like, and first end difference be located remotely from one end of the second end difference, fourth order ladder portion is respectively provided with a circular arc lead angle near one end of the 3rd end difference, circumferential surface in fourth order ladder portion is distributed several flange connecting hole；This internal cavity with a receiving differential mechanism loading of described differential carrier, this cavity is stepped, it is followed successively by the first ladder section, second-order bench, the 3rd ladder section and fourth order bench, and the bore of the first ladder section, second-order bench, the 3rd ladder section and fourth order bench increases successively, described first ladder section, second-order bench and fourth order bench are cylindrical, 3rd ladder section is round table-like, and its side is arc-shaped, it is respectively provided with a circular arc lead angle away from one end, the fourth order bench of the 3rd ladder section near one end of the 3rd ladder section in second-order bench；The bore of described first end difference is 120mm, the R degree of the lead angle of the first end difference is ∮ 10mm, a diameter of ∮ 144mm of one end that the bore of the second end difference is little, a diameter of ∮ 164mm of one end that bore is big, the total length of the first end difference and the second end difference is 29mm, the bore of the 3rd end difference is ∮ 164mm, a length of 14mm, the bore in fourth order ladder portion is ∮ 210mm, a length of 27mm, the R degree of the lead angle in fourth order ladder portion is ∮ 12.5mm, and the bore of the 5th end difference is ∮ 204mm, a length of 6mm.
Light-weighted semi-trailer differential carrier the most according to claim 1, it is characterized in that: the bore of described first ladder section is ∮ 94mm, the R degree of the lead angle of the first ladder section is ∮ 10mm, the bore of second-order bench is ∮ 142mm, a diameter of ∮ 142mm of one end that the 3rd ladder section bore is little, a diameter of ∮ 160mm of one end that bore is big, the bore of fourth order bench is ∮ 166mm, and the R degree of the lead angle of fourth order bench is ∮ 1.5mm.
Light-weighted semi-trailer differential carrier the most according to claim 1, it is characterised in that: it is positioned at the surrounding of flange connecting hole on described differential carrier body away from there being a reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354728.4A CN104088984B (en) | 2014-07-24 | 2014-07-24 | A kind of light-weighted semi-trailer differential carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354728.4A CN104088984B (en) | 2014-07-24 | 2014-07-24 | A kind of light-weighted semi-trailer differential carrier |
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| Publication Number | Publication Date |
|---|---|
| CN104088984A CN104088984A (en) | 2014-10-08 |
| CN104088984B true CN104088984B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410354728.4A Active CN104088984B (en) | 2014-07-24 | 2014-07-24 | A kind of light-weighted semi-trailer differential carrier |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938532A (en) * | 2004-01-30 | 2007-03-28 | 丰田自动车株式会社 | Differential gear unit |
| CA2738258A1 (en) * | 2010-04-27 | 2011-10-27 | Timothy J. Cripsey | Flow-formed differential case assembly |
| CN203130960U (en) * | 2013-03-17 | 2013-08-14 | 青岛银菲特精密机械有限公司 | Novel differential casing |
| CN103706833A (en) * | 2013-12-23 | 2014-04-09 | 江苏汤臣汽车零部件有限公司 | Speed reducer shell cross-shaped axial hole machining tool |
| CN204041916U (en) * | 2014-07-24 | 2014-12-24 | 江苏汤臣汽车零部件有限公司 | A kind of light-weighted semi-trailer differential carrier |
-
2014
- 2014-07-24 CN CN201410354728.4A patent/CN104088984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938532A (en) * | 2004-01-30 | 2007-03-28 | 丰田自动车株式会社 | Differential gear unit |
| CA2738258A1 (en) * | 2010-04-27 | 2011-10-27 | Timothy J. Cripsey | Flow-formed differential case assembly |
| CN203130960U (en) * | 2013-03-17 | 2013-08-14 | 青岛银菲特精密机械有限公司 | Novel differential casing |
| CN103706833A (en) * | 2013-12-23 | 2014-04-09 | 江苏汤臣汽车零部件有限公司 | Speed reducer shell cross-shaped axial hole machining tool |
| CN204041916U (en) * | 2014-07-24 | 2014-12-24 | 江苏汤臣汽车零部件有限公司 | A kind of light-weighted semi-trailer differential carrier |
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| Publication number | Publication date |
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| CN104088984A (en) | 2014-10-08 |
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