CN104088984A - Light differential case of semitrailer - Google Patents
Light differential case of semitrailer Download PDFInfo
- Publication number
- CN104088984A CN104088984A CN201410354728.4A CN201410354728A CN104088984A CN 104088984 A CN104088984 A CN 104088984A CN 201410354728 A CN201410354728 A CN 201410354728A CN 104088984 A CN104088984 A CN 104088984A
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- CN
- China
- Prior art keywords
- end difference
- bore
- ladder section
- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention relates to a light differential case of a semitrailer. The light differential case of the semitrailer comprises a differential case body. The differential case body is in the shape of steps which are sequentially a first step part, a second step part, a third step part, a fourth step part and a fifth step part, and a plurality of flange connecting holes are distributed in the circumferential surface of the fourth step part. A cavity for containing a differential is formed in the differential case body, and the cavity is in the shape of steps which are sequentially a first step section, a second step section, a third step section and a fourth step section. The light differential case of the semitrailer has the advantages that due to the fact that the outer contour of the case body of the differential case and the shape and the size of the cavity in the case body are reasonably designed, not only is the technical performance such as the supporting rigidity of the differential case body achieved, but also the total weight of the differential case, the manufacturing cost and the kinetic energy consumption of a transmission system are reduced.
Description
Technical field
The present invention relates to a kind of differential carrier, particularly a kind of light-weighted semi-trailer 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 for the fuel economy of car load, that vehicle reduces emission reduction, safety reliability etc. is all of great advantage.
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, by power by sun gear and semiaxis transmission.The housing of traditional differential mechanism is mainly columniform sleeve, in order to ensure the steadiness of housing and to exist enough
Differential mechanism placement space, the volume of general housing is larger, and the wall thickness of housing is thicker, to ensure the strength of the centrifugal action that housing self produces when planetary pinion is run up, take up room on the one hand greatlyr but thicken housing wall thickness, need on the other hand to expend more material, manufacture cost is higher, differential housing is heavier simultaneously, has increased 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 low, the lightweight light-weighted semi-trailer differential carrier of a kind of cost.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of light-weighted semi-trailer differential carrier, and its innovative point is: comprise a differential carrier body;
Described differential carrier body is stepped, be followed successively by the first end difference, the second end difference, the 3rd end difference, four-step portion and the 5th end difference, and the first end difference, the second end difference, the 3rd end difference, the bore of the 5th end difference and four-step portion increases successively, described the first end difference, the 3rd end difference, four-step portion and the 5th end difference are cylindric, the second end difference is round table-like, and the first end difference is positioned at the one end away from the second end difference, four-step portion all has a circular arc lead angle near one end of the 3rd end difference, be distributed with several flange connecting holes at the circumferential surface of four-step portion,
In described 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, second-order bench, the 3rd ladder section and quadravalence bench, and the first ladder section, second-order bench, the bore of the 3rd ladder section and quadravalence bench increases successively, described the first ladder section, second-order bench and quadravalence bench are cylindric, the 3rd ladder section is round table-like, and its side is circular-arc, one end in second-order bench away from the 3rd ladder section, quadravalence bench all has a circular arc lead angle near one end of the 3rd ladder section.
Further, the bore of described the first end difference is ∮ 120mm, the R degree of the lead angle of the first end difference is ∮ 10mm, the diameter of one end that the bore of the second end difference is little is ∮ 144mm, the diameter of one end that bore is large is ∮ 164mm, the total length of the first end difference and the second end difference is 29mm, the bore of the 3rd end difference is ∮ 164mm, length is 14mm, the bore of four-step portion is ∮ 210mm, and length is 27mm, and the R degree of the lead angle of four-step portion is ∮ 12.5mm, the bore of the 5th end difference is ∮ 204mm, and length is 6mm.
Further, the bore of described the 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, the diameter of one end that the 3rd ladder section bore is little is ∮ 142mm, the diameter of one end that bore is large is ∮ 160mm, and the bore of quadravalence bench is ∮ 166mm, and the R degree of the lead angle of quadravalence bench is ∮ 1.5mm.
Further, the surrounding that is positioned at flange connecting hole on described differential carrier body is apart from there being a stiffening rib.
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 stereogram of lightweight 13T semitrailer differential carrier of the present invention.
Fig. 2 is the front view of lightweight 13T semitrailer differential carrier of the present invention.
Fig. 3 is the side view of lightweight 13T semitrailer differential carrier of the present invention.
Embodiment
Schematic diagram is as shown in Figure 1, Figure 2 and Figure 3 known, and light-weighted semi-trailer differential carrier of the present invention comprises a differential carrier body.
Differential carrier body is stepped, be followed successively by the first end difference 1, the second end difference 2, the 3rd end difference 3, four-step portion 4 and the 5th end difference 5, and the first end difference 1, the second end difference 2, the 3rd end difference 3, the bore of the 5th end difference 5 and four-step portion 4 increases successively, the first end difference 1, the 3rd end difference 3, four-step portion 4 and the 5th end difference 5 are cylindric, the second end difference 2 is round table-like, and the first end difference 1 is positioned at the one end away from the second end difference 2, four-step portion 4 all has a circular arc lead angle near one end of the 3rd end difference 3, be distributed with several flange connecting holes 10 at the circumferential surface of four-step portion 4.
On differential carrier body, be positioned at the surrounding of flange connecting hole 10 apart from there being a stiffening rib 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, the diameter of one end that the bore of the second end difference 2 is little is ∮ 144mm, the diameter of one end that the bore of the second end difference 2 is large is ∮ 164mm, the total length of the first end difference 1 and the second end difference 2 is 29mm, the diameter of the 3rd end difference 3 is ∮ 164mm, the length of the 3rd end difference 3 is 14mm, the bore of four-step portion 4 is ∮ 210mm, the length of four-step portion 4 is 27mm, the R degree of the lead angle of four-step portion 4 is ∮ 12.5mm, the bore of the 5th end difference 5 is ∮ 204mm, the length of the 5th end difference 5 is 6mm.
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 9, second-order bench 8, the 3rd ladder section 7 and quadravalence bench 6, and the first ladder section 9, second-order bench 8, the bore of the 3rd ladder section 7 and quadravalence bench 6 increases successively, the first ladder section 9, second-order bench 8 and quadravalence bench 6 are cylindric, the 3rd ladder section 7 is round table-like, and the side of the 3rd ladder section 7 is circular-arc, one end in second-order bench 8 away from the 3rd ladder section 7, quadravalence bench 6 all has 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, the first ladder section 9 is 43mm with the total length of second-order bench 8, the diameter of one end that the 3rd ladder section 7 bores are little is ∮ 142mm, the diameter of one end that the 3rd ladder section 7 bores are large is ∮ 160mm, the length of the 3rd ladder section 7 is 32mm, the bore of quadravalence bench 6 is ∮ 166mm, the R degree of the lead angle of quadravalence bench 6 is ∮ 1.5mm, and the length of quadravalence bench 6 is 6mm.
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. a light-weighted semi-trailer differential carrier, is characterized in that: comprise a differential carrier body;
Described differential carrier body is stepped, be followed successively by the first end difference, the second end difference, the 3rd end difference, four-step portion and the 5th end difference, and the first end difference, the second end difference, the 3rd end difference, the bore of the 5th end difference and four-step portion increases successively, described the first end difference, the 3rd end difference, four-step portion and the 5th end difference are cylindric, the second end difference is round table-like, and the first end difference is positioned at the one end away from the second end difference, four-step portion all has a circular arc lead angle near one end of the 3rd end difference, be distributed with several flange connecting holes at the circumferential surface of four-step portion,
In described 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, second-order bench, the 3rd ladder section and quadravalence bench, and the first ladder section, second-order bench, the bore of the 3rd ladder section and quadravalence bench increases successively, described the first ladder section, second-order bench and quadravalence bench are cylindric, the 3rd ladder section is round table-like, and its side is circular-arc, one end in second-order bench away from the 3rd ladder section, quadravalence bench all has a circular arc lead angle near one end of the 3rd ladder section.
2. light-weighted semi-trailer differential carrier according to claim 1, it is characterized in that: the bore of described the first end difference is 120mm, the R degree of the lead angle of the first end difference is ∮ 10mm, the diameter of one end that the bore of the second end difference is little is ∮ 144mm, the diameter of one end that bore is large is ∮ 164mm, the total length of the first end difference and the second end difference is 29mm, the bore of the 3rd end difference is ∮ 164mm, length is 14mm, the bore of four-step portion is ∮ 210mm, length is 27mm, the R degree of the lead angle of four-step portion is ∮ 12.5mm, the bore of the 5th end difference is ∮ 204mm, length is 6mm.
3. light-weighted semi-trailer differential carrier according to claim 1, it is characterized in that: the bore of described the 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, the diameter of one end that the 3rd ladder section bore is little is ∮ 142mm, the diameter of one end that bore is large is ∮ 160mm, and the bore of quadravalence bench is ∮ 166mm, and the R degree of the lead angle of quadravalence bench is ∮ 1.5mm.
4. light-weighted semi-trailer differential carrier according to claim 1, is characterized in that: on described differential carrier body, be positioned at the surrounding of flange connecting hole apart from there being a stiffening rib.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104088984A true CN104088984A (en) | 2014-10-08 |
| CN104088984B CN104088984B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104088984B (en) | 2016-09-14 |
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