CN104879466A - Differential mechanism special for formula car - Google Patents
Differential mechanism special for formula car Download PDFInfo
- Publication number
- CN104879466A CN104879466A CN201510249407.2A CN201510249407A CN104879466A CN 104879466 A CN104879466 A CN 104879466A CN 201510249407 A CN201510249407 A CN 201510249407A CN 104879466 A CN104879466 A CN 104879466A
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- CN
- China
- Prior art keywords
- differential
- planet
- turbines
- worm
- worms
- 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
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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
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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
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/032—Gearboxes; Mounting gearing therein characterised by the materials used
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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
Disclosed is a differential mechanism special for a formula car. The differential mechanism special for the formula car comprises worms, wherein planet turbines meshed two by two into a triangle are located around each worm, the planet turbines are meshed through teeth on all sides of the planet turbines, and meshed with the worms through oblique teeth in the middles of the planet turbines so as to form a mechanical limited slip differential machine which uses interlocking of the planet turbines and the worms to perform transmission, the planet turbines are fixed in a differential shell through planet pin shafts, the worms are respectively meshed with three pairs of the turbines, and fixed in the differential shell, the number of the worms is two, the two worms are spliced in the axial direction, two trilateral planet turbine groups which are arranged in parallel are formed due to the fact that each worm is corresponding to each three planet turbines connected end to end, the worms are positioned by arranging antifriction rings among the worms and the differential shell in the axial direction, rolling needle bearings are arranged at two output shaft ends of the differential shell, and skeleton seal rings are arranged on the rolling needle bearings and at the output shaft ends.
Description
Technical field
The present invention relates to equation motorcycle race Design of Transmission System field, particularly a kind of equation motorcycle race special speed differential device.
Background technique
For ensureing that equation motorcycle race has excellent performance in power character and control stability, limited-slip differential is requisite parts in transmission system.As everyone knows, the racing track bend that high speed in the contest of Chinese college students formula car keeps away barrier match and Grand Touring Car is many, straight way is few, for improving the achievement of racing car in dynamically matching, racing car not only will have enough power character, also to give full play of in bend, particularly when racing car is subject to high side acceleration, along with the transfer of inside and outside wheel weight, the load of inboard wheel reduces, if equipment is open differential, due to feature of dividing moment of torsion equally approximate about it, trackslipping appears in driving wheel, racing car is difficult to obtain enough driving forces, the curved speed of final mistake reduces and control stability is deteriorated, this just proposes requirement to limited-slip differential.Because domestic motor sport is started late, the limited-slip differential being applicable to kart is little, and this race has the history in more than 30 years abroad, have the special friction disk type limited-slip differential for this race design as Drexel, the use of Torsen differential mechanism is also very many in addition.
Summary of the invention
For solving above-mentioned prior art Problems existing, the object of the present invention is to provide a kind of equation motorcycle race special speed differential device, it facilitates ransaxle to arrange, is convenient to power input and bearing mounting base layout; Be convenient to internal spherical cage flange shaft and location is installed, be easy to check and safeguard; Be convenient to differential mechanism inner sealing, keep internal gear to lubricate preferably; Aluminum differential carrier weight is light, and rotary inertia is little.
For achieving the above object, technological scheme of the present invention is:
A kind of equation motorcycle race special speed differential device, comprise: worm screw, the planet turbine of the triangularity that is meshed between two is positioned at around worm screw, described planet turbine is engaged each other by the tooth of its both sides, is formed the mechanical limited-slip differential utilizing turbine and worm to interlock transmission by the helical teeth in the middle part of it and worm meshing; Planet turbine is fixed in differential casing by planet bearing pin, worm screw and three pairs of turbines engage each other and are fixed in differential casing, described worm screw is two of axially splicing, the planet turbine of corresponding three end-to-ends of each worm screw, form two triangle planet turbine groups be arranged in parallel, worm shaft is located to by being provided with anti-friction ring between differential casing, and two output shaft ends of differential casing are provided with needle bearing, and needle bearing and output shaft end are provided with backbone sealing ring.
Further, the two end axles of described planet turbine stretches into the inclined hole on differential carrier body wall, the two end axles of planet turbine and differential casing is fixed by position limit pin.
Further, worm screw and differential casing joint are provided with shim pack, are provided with shim pack between two worm screws.
The outer that further described differential casing is connected with external equipment is provided with O RunddichtringO.
Further, described differential mechanism one end is by output shaft connection chain transmission part.
Further, described differential casing adopts aluminium.
Relative to prior art, beneficial effect of the present invention is:
Differential mechanism of the present invention has following advantage:
(1) facilitate ransaxle to arrange, be convenient to power input and bearing mounting base layout;
(2) be convenient to internal spherical cage flange shaft and location is installed, be easy to check and safeguard;
(3) be convenient to differential mechanism inner sealing, keep internal gear to lubricate preferably;
(4) aluminum differential carrier weight is light, and rotary inertia is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the explosive view that apparatus of the present invention are connected with chain transmission part.
Wherein 1-worm screw, 2-planet turbine, 3-differential casing, 4-anti-friction ring, 5-needle bearing, 6-backbone sealing ring, 7-position limit pin, 8-shim pack, 9-O RunddichtringO, 10-chain transmission part.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is described in further detail:
As shown in Figure 1, 2, a kind of equation motorcycle race special speed differential device, comprise: worm screw 1, the planet turbine 2 of the triangularity that is meshed between two is positioned at around worm screw 1, described planet turbine 2 is engaged each other by the tooth of its both sides, engages the limited-slip differential being formed and utilize turbine and worm to interlock transmission by the helical teeth in the middle part of it with worm screw 1; Planet turbine 2 and worm screw 1 are fixed in differential casing 3, described worm screw 1 is two of axially splicing, the planet turbine 2 of corresponding three end-to-ends of each worm screw 1, form two triangle planet turbine groups be arranged in parallel, anti-friction ring 4 is provided with between worm screw 1 axial end and differential casing 3, two output shaft ends of differential casing 3 are provided with needle bearing 5, and needle bearing 5 and output shaft end are provided with backbone sealing ring 6.
Further, the two end axles of described planet turbine 2 stretches into the inclined hole on differential casing 3 wall, the two end axles of planet turbine 2 and differential casing 3 is fixed by position limit pin 7.
Further, worm screw 1 and differential casing 3 joint are provided with shim pack 8, are provided with shim pack 8 between two worm screws 1.
Further, the outer that described differential casing 3 is connected with external equipment is provided with O RunddichtringO 9.
Further, described differential mechanism one end is by output shaft connection chain transmission part 10.
Further, described differential casing 3 adopts aluminium.
The working principle of differential mechanism of the present invention is:
This kind of differential mechanism is a kind of limited-slip differential of torque responsive type, utilize the differential principle of planetary gear train to realize differential, but it takes full advantage of high inner friction and the self-locking performance of Worm Wheel System pair, make locking coefficient and torque distribution compare open differential and have increased significantly.
This kind of differential mechanism not only used above-mentioned worm and gear differential and the working principle of torque distribution, also use the working principle of friction disk type limited-slip differential, the inner friction torque of 3 groups of friction plate group generations makes locking coefficient improve further, and by the material, structure and the quantity that change friction plate in friction pads group, the locking coefficient of differential mechanism can be changed according to designing requirement or applying working condition, further improvement differential mechanism torque distribution performance, improves racing car and crosses curved performance.
Differential mechanism of the present invention facilitates ransaxle to arrange, is convenient to power input and bearing mounting base layout; Be convenient to internal spherical cage flange shaft and location is installed, be easy to check and safeguard; Be convenient to differential mechanism inner sealing, keep internal gear to lubricate preferably; Aluminum differential carrier weight is light, and rotary inertia is little.
Differential mechanism of the present invention has following advantage:
(1) facilitate ransaxle to arrange, be convenient to power input and bearing mounting base layout
(2) be convenient to internal spherical cage flange shaft and location is installed, be easy to check and safeguard
(3) be convenient to differential mechanism inner sealing, keep internal gear to lubricate preferably
(4) aluminum differential carrier weight is light, and rotary inertia is little
Table 1 differential assembly list of parts table
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (6)
1. an equation motorcycle race special speed differential device, it is characterized in that, comprise: worm screw, the planet turbine of the triangularity that is meshed between two is positioned at around worm screw, described planet turbine is engaged each other by the tooth of its both sides, is formed the mechanical limited-slip differential utilizing turbine and worm to interlock transmission by the helical teeth in the middle part of it and worm meshing; Planet turbine is fixed in differential casing by planet bearing pin, worm screw and three pairs of turbines engage each other and are fixed in differential casing, described worm screw is two of axially splicing, the planet turbine of corresponding three end-to-ends of each worm screw, form two triangle planet turbine groups be arranged in parallel, worm shaft is located to by being provided with anti-friction ring between differential casing, and two output shaft ends of differential casing are provided with needle bearing, and needle bearing and output shaft end are provided with backbone sealing ring.
2. differential mechanism according to claim 1, is characterized in that, the two end axles of described planet turbine stretches into the inclined hole on differential carrier body wall, the two end axles of planet turbine and differential casing is fixed by position limit pin.
3. differential mechanism according to claim 1, is characterized in that, worm screw and differential casing joint are provided with shim pack, are provided with shim pack between two worm screws.
4. differential mechanism according to claim 1, is characterized in that, the outer that described differential casing is connected with external equipment is provided with O RunddichtringO.
5. differential mechanism according to claim 1, is characterized in that, described differential mechanism one end is by output shaft connection chain transmission part.
6. differential mechanism according to claim 1, is characterized in that, described differential casing adopts aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249407.2A CN104879466A (en) | 2015-05-15 | 2015-05-15 | Differential mechanism special for formula car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249407.2A CN104879466A (en) | 2015-05-15 | 2015-05-15 | Differential mechanism special for formula car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104879466A true CN104879466A (en) | 2015-09-02 |
Family
ID=53947079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510249407.2A Pending CN104879466A (en) | 2015-05-15 | 2015-05-15 | Differential mechanism special for formula car |
Country Status (1)
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| CN (1) | CN104879466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120629A (en) * | 2020-03-13 | 2020-05-08 | 魏家斌 | Straight-tooth worm wheel, differential mechanism and differential mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266343A (en) * | 1988-08-31 | 1990-03-06 | Aisin Seiki Co Ltd | Worm gear type differential gear |
| US5195934A (en) * | 1989-07-14 | 1993-03-23 | Diesel Kiki Co., Ltd. | Differential device for vehicle |
| CN1072378A (en) * | 1991-11-21 | 1993-05-26 | 钟世友 | Differential driving bridge of hyper clutch |
| JPH083347B2 (en) * | 1988-08-31 | 1996-01-17 | 株式会社ゼクセル | Worm gear type differential gear unit |
| CN101707412A (en) * | 2009-11-13 | 2010-05-12 | 北京科技大学 | Driving motor with function of differential speed output |
| CN202484243U (en) * | 2011-11-21 | 2012-10-10 | 黄大康 | Novel Torsen differential mechanism |
| CN204647202U (en) * | 2015-05-15 | 2015-09-16 | 西华大学 | A kind of equation motorcycle race special speed differential device |
-
2015
- 2015-05-15 CN CN201510249407.2A patent/CN104879466A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266343A (en) * | 1988-08-31 | 1990-03-06 | Aisin Seiki Co Ltd | Worm gear type differential gear |
| JPH083347B2 (en) * | 1988-08-31 | 1996-01-17 | 株式会社ゼクセル | Worm gear type differential gear unit |
| US5195934A (en) * | 1989-07-14 | 1993-03-23 | Diesel Kiki Co., Ltd. | Differential device for vehicle |
| CN1072378A (en) * | 1991-11-21 | 1993-05-26 | 钟世友 | Differential driving bridge of hyper clutch |
| CN101707412A (en) * | 2009-11-13 | 2010-05-12 | 北京科技大学 | Driving motor with function of differential speed output |
| CN202484243U (en) * | 2011-11-21 | 2012-10-10 | 黄大康 | Novel Torsen differential mechanism |
| CN204647202U (en) * | 2015-05-15 | 2015-09-16 | 西华大学 | A kind of equation motorcycle race special speed differential device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120629A (en) * | 2020-03-13 | 2020-05-08 | 魏家斌 | Straight-tooth worm wheel, differential mechanism and differential mechanism |
| CN111120629B (en) * | 2020-03-13 | 2021-05-14 | 魏家斌 | Straight-tooth worm wheel, differential mechanism and differential mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150902 |