CN104088992A - Light differential case of 13T semitrailer - Google Patents
Light differential case of 13T semitrailer Download PDFInfo
- Publication number
- CN104088992A CN104088992A CN201410354809.4A CN201410354809A CN104088992A CN 104088992 A CN104088992 A CN 104088992A CN 201410354809 A CN201410354809 A CN 201410354809A CN 104088992 A CN104088992 A CN 104088992A
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- China
- Prior art keywords
- end difference
- cavity portion
- diameter
- ladder section
- differential carrier
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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)
Abstract
The invention relates to a light differential case of a 13T semitrailer. The light differential case of the 13T semitrailer comprises a differential case body and a long connecting handle. 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 and a fourth step part, a cavity for containing a differential is formed in the differential case body, the cavity is in the shape of steps which are sequentially a first cavity part, a second cavity part, a third cavity part, a fourth cavity part and a fifth cavity part, the long connecting handle is in the shape of steps and comprises a first step section, a second step section and a third step section, and the third step section of the long connecting handle is in arc transition with the first step part of the differential case body. The light differential case of the 13T 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 lightweight 13T semitrailer 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 the constant prerequisite of even optimizing of Integral automobile quality, performance and cost, 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, vehicle 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 low cost, light-weighted 13T semitrailer differential carrier.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of lightweight 13T semitrailer differential carrier, and its innovative point is: comprise a differential carrier body and connect long handle;
Described differential carrier body is rounded stepped, be followed successively by the first end difference, the second end difference, the 3rd end difference and four-step portion, described the first end difference, the second end difference, the diameter of the 3rd end difference and four-step portion increases gradually, and the second end difference and the 3rd end difference, between the 3rd end difference and four-step portion, be arc transition, described the first end difference and the 3rd end difference are frustoconic shape, and its side is circular-arc, described the second end difference and four-step portion are cylindric, 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 cavity portion, the second cavity portion, the 3rd cavity portion, the 4th cavity portion and the 5th cavity portion, and the bore of the first cavity portion, the second cavity portion, the 3rd cavity portion, the 4th cavity portion and the 5th cavity portion increases gradually, described the first cavity portion, the 4th cavity portion and the 5th cavity portion are all cylindric, the second cavity portion and the 3rd cavity portion are all round table-like, and its side is circular-arc;
Described connection long handle is stepped, comprise the first ladder section, second-order bench and the 3rd ladder section, the first ladder section, the second ladder and the 3rd ladder section section are cylindrical shape, described the first ladder section and second-order bench, between the second ladder and the 3rd ladder, it is arc transition, and the first ladder section, the bore of second-order bench and the 3rd ladder section increases gradually, in the first ladder section, have a groove A who extends along the first ladder section, in second-order bench, have one group of symmetrically arranged groove B extending along second-order bench, in the 3rd ladder section, have one group of symmetrically arranged groove C extending along the 3rd ladder section,
Arc transition between the 3rd ladder section of described connection long handle and the first end difference of differential carrier body.
Further, the diameter of small-bore one end of described the first end difference is ∮ 89mm, the diameter of bigbore one end is ∮ 104mm, the diameter of the second end difference is ∮ 104mm, R degree between the second end difference and the 3rd end difference is ∮ 10mm, the diameter of four-step portion is ∮ 210mm, and the total length of differential carrier body is 108.5mm.
The diameter of described the first cavity portion is ∮ 74mm, the diameter of one end that the bore of the second cavity portion is little is ∮ 116mm, the diameter of one end that bore is large is ∮ 148mm, the diameter of one end that the bore of the 3rd cavity portion is little is ∮ 148mm, the diameter of one end that bore is large is ∮ 154mm, the diameter of four-step portion is ∮ 166mm, and the diameter of the 5th end difference is ∮ 204mm.
Further, the diameter of the first ladder section of described connection long handle is ∮ 46mm, length is 38mm, the diameter of second-order bench is ∮ 65mm, and length is 77mm, and the diameter of the 3rd ladder section is ∮ 65.6mm, length is 31mm, R degree between the first ladder section and second-order bench is ∮ 2mm, and the R degree between second-order bench and the 3rd ladder section is ∮ 2mm, and the R degree between the 3rd ladder section and first end difference of differential carrier body of connection long handle is ∮ 3mm.
Further, the relevant position that is positioned at flange connecting hole on described differential carrier body all has 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, be aided with rational stiffening rib arrangement, 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 lightweight 13T semitrailer differential carrier of the present invention comprises a differential carrier body and connects long handle.
Differential carrier body is stepped, be followed successively by the first end difference 4, the second end difference 5, the 3rd end difference 6 and four-step portion 7, and the bore of the first end difference 4, the second end difference 5, the 3rd end difference 6 and four-step portion 7 increases gradually, and be arc transition between the second end difference 5 and the 3rd end difference 6, the 3rd end difference 6 and four-step portion 7, the first end difference 4 and the 3rd end difference 6 are frustoconic shape, and the side of the first end difference 4 and the 3rd end difference 6 is circular-arc, the second end difference 5 and four-step portion 7 are cylindric.
The diameter of small-bore one end of the first end difference 4 is ∮ 89mm, the diameter of bigbore one end of the first end difference 4 is ∮ 104mm, the diameter of the second end difference 5 is ∮ 104mm, R degree between the second end difference 5 and the 3rd end difference 6 is ∮ 10mm, the bore of four-step portion 7 is ∮ 210mm, and the total length of differential carrier body is 108.5mm.
Be distributed with several flange connecting holes 8 at the circumferential surface of four-step portion 7, the relevant position that is positioned at flange connecting hole 8 on differential carrier body all has the stiffening rib 9 of a flange connecting hole 8.In the present embodiment, flange connecting hole 8 one has 8, and the diameter of single flange connecting hole 8 is ∮ 14.3mm, and the entire length of flange connecting hole 8 is 62mm.
In differential carrier body, have and hold the cavity that differential mechanism packs into, this cavity is stepped, be followed successively by the first cavity portion 13, the second cavity portion 14, the 3rd cavity portion 15, the 4th cavity portion 16 and the 5th cavity portion 17, and the first cavity portion 13, the second cavity portion 14, the 3rd cavity portion 15, the bore of the 4th cavity portion 16 and the 5th cavity portion 17 increases gradually, the first cavity portion 13, the 4th cavity portion 16 and the 5th cavity portion 17 are all cylindric, the second cavity portion 14 and the 3rd cavity portion 15 are all round table-like, and the side of the second cavity portion 14 and the 3rd cavity portion 15 is circular-arc.
The diameter of the first cavity portion 13 is ∮ 74mm, the diameter of one end that the bore of the second cavity portion 14 is little is ∮ 116mm, the diameter of one end that the bore of the second cavity portion 14 is large is ∮ 148mm, the diameter of one end that the bore of the 3rd cavity portion 15 is little is ∮ 148mm, the diameter of one end that the bore of the 3rd cavity portion 15 is large is ∮ 154mm, the diameter of four-step portion 16 is ∮ 166mm, and the diameter of the 5th end difference 17 is ∮ 204mm.
Connect long handle stepped, comprise the first ladder section 1, second-order bench 2 and the 3rd ladder section 3, the first ladder section 1, 3 sections of the second ladder 2 and the 3rd ladder sections are cylindrical shape, the first ladder section 1 and second-order bench 2, between the second ladder 2 and the 3rd ladder 3, it is arc transition, and the first ladder section 1, the bore of second-order bench 2 and the 3rd ladder section 3 increases gradually, in the first ladder section 1, have a groove A10 who extends along the first ladder section, in second-order bench 2, have one group of symmetrically arranged groove B11 extending along second-order bench, in the 3rd ladder section 3, have one group of symmetrically arranged groove C12 extending along the 3rd ladder section.
The bore that connects the first ladder section 1 of long handle is ∮ 46mm, the length of the first ladder section 1 is 38mm, the bore of second-order bench 2 is ∮ 65mm, the length of second-order bench 2 is 77mm, the bore of the 3rd ladder section 3 is ∮ 65.6mm, the length of the 3rd ladder section 3 is 31mm, and the R degree between the first ladder section 1 and second-order bench 2 is ∮ 2mm, and the R degree between second-order bench 2 and the 3rd ladder section 3 is ∮ 2mm.
Connect arc transition between the 3rd ladder section 3 of long handle and the first end difference 4 of differential carrier body, and the R degree connecting between the 3rd ladder section 3 of long handle and the first end difference 4 of differential carrier body is ∮ 3mm.
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 (5)
1. a lightweight 13T semitrailer differential carrier, is characterized in that: comprise a differential carrier body and connect long handle;
Described differential carrier body is stepped, be followed successively by the first end difference, the second end difference, the 3rd end difference and four-step portion, described the first end difference, the second end difference, the bore of the 3rd end difference and four-step portion increases gradually, and the second end difference and the 3rd end difference, between the 3rd end difference and four-step portion, be arc transition, described the first end difference and the 3rd end difference are frustoconic shape, and its side is circular-arc, described the second end difference and four-step portion are cylindric, be distributed with several flange connecting holes at the circumferential surface of four-step portion,
In described differential carrier body, there is the cavity that an appearance differential mechanism is put into, this cavity is stepped, be followed successively by the first cavity portion, the second cavity portion, the 3rd cavity portion, the 4th cavity portion and the 5th cavity portion, and the bore of the first cavity portion, the second cavity portion, the 3rd cavity portion, the 4th cavity portion and the 5th cavity portion increases gradually, described the first cavity portion, the 4th cavity portion and the 5th cavity portion are all cylindric, the second cavity portion and the 3rd cavity portion are all round table-like, and its side is circular-arc;
Described connection long handle is stepped, comprise the first ladder section, second-order bench and the 3rd ladder section, the first ladder section, the second ladder and the 3rd ladder section section are cylindrical shape, described the first ladder section and second-order bench, between the second ladder and the 3rd ladder, it is arc transition, and the first ladder section, the diameter of second-order bench and the 3rd ladder section increases gradually, in the first ladder section, have a groove A who extends along the first ladder section, in second-order bench, have one group of symmetrically arranged groove B extending along second-order bench, in the 3rd ladder section, have one group of symmetrically arranged groove C extending along the 3rd ladder section,
Arc transition between the 3rd ladder section of described connection long handle and the first end difference of differential carrier body.
2. lightweight 13T semitrailer differential carrier according to claim 1, it is characterized in that: the diameter of small-bore one end of described the first end difference is ∮ 89mm, the diameter of bigbore one end is ∮ 104mm, the diameter of the second end difference is ∮ 104mm, R degree between the second end difference and the 3rd end difference is ∮ 10mm, the diameter of four-step portion is ∮ 210mm, and the total length of differential carrier body is 108.5mm.
3. lightweight 13T semitrailer differential carrier according to claim 1, it is characterized in that: the diameter of described the first cavity portion is ∮ 74mm, the diameter of one end that the bore of the second cavity portion is little is ∮ 116mm, the diameter of one end that bore is large is ∮ 148mm, the diameter of one end that the bore of the 3rd cavity portion is little is ∮ 148mm, the diameter of one end that bore is large is ∮ 154mm, and the diameter of four-step portion is ∮ 166mm, and the diameter of the 5th end difference is ∮ 204mm.
4. lightweight 13T semitrailer differential carrier according to claim 1, it is characterized in that: the diameter of the first ladder section of described connection long handle is ∮ 46mm, length is ∮ 38mm, the diameter of second-order bench is ∮ 65mm, length is 77mm, the diameter of the 3rd ladder section is ∮ 65.6mm, length is 31mm, R degree between the first ladder section and second-order bench is ∮ 2mm, R degree between second-order bench and the 3rd ladder section is ∮ 2mm, and the R degree between the 3rd ladder section and first end difference of differential carrier body of connection long handle is ∮ 3mm.
5. lightweight 13T semitrailer differential carrier according to claim 1, is characterized in that: the relevant position that is positioned at flange connecting hole on described differential carrier body all has a stiffening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354809.4A CN104088992A (en) | 2014-07-24 | 2014-07-24 | Light differential case of 13T semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354809.4A CN104088992A (en) | 2014-07-24 | 2014-07-24 | Light differential case of 13T semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104088992A true CN104088992A (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354809.4A Pending CN104088992A (en) | 2014-07-24 | 2014-07-24 | Light differential case of 13T semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104088992A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625581A (en) * | 1985-01-10 | 1986-12-02 | Ford Motor Company | Automotive component cover |
| 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 |
| CN203110931U (en) * | 2012-12-20 | 2013-08-07 | 优必胜(福建)机械工业有限公司 | Rigid connecting structure of conical involute splines |
| CN204041957U (en) * | 2014-07-24 | 2014-12-24 | 江苏汤臣汽车零部件有限公司 | A kind of lightweight 13T semitrailer differential carrier |
-
2014
- 2014-07-24 CN CN201410354809.4A patent/CN104088992A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625581A (en) * | 1985-01-10 | 1986-12-02 | Ford Motor Company | Automotive component cover |
| 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 |
| CN203110931U (en) * | 2012-12-20 | 2013-08-07 | 优必胜(福建)机械工业有限公司 | Rigid connecting structure of conical involute splines |
| CN204041957U (en) * | 2014-07-24 | 2014-12-24 | 江苏汤臣汽车零部件有限公司 | A kind of lightweight 13T semitrailer differential carrier |
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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 |