CN109854633A - The triadius type internal spherical cage and power train mechanism of racing car power train - Google Patents
The triadius type internal spherical cage and power train mechanism of racing car power train Download PDFInfo
- Publication number
- CN109854633A CN109854633A CN201811558324.1A CN201811558324A CN109854633A CN 109854633 A CN109854633 A CN 109854633A CN 201811558324 A CN201811558324 A CN 201811558324A CN 109854633 A CN109854633 A CN 109854633A
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- power train
- arc
- outer arc
- segmental arc
- arc segments
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Abstract
The invention discloses the triadius type internal spherical cage of racing car power train and power train mechanisms.The triadius type internal spherical cage of racing car power train includes transmission shaft and three column type pot shells, and three column types pot shell terminal surface is recessed is formed with installation channel for this, which includes a circular trough and three petal slots；The three column types pot shell outer wall is recessed, and there are three weight loss grooves, three column type pot shell periphery walls include three loss of weight groove groove walls and three the first outer arc segments, loss of weight groove groove wall includes one second outer arc segments and two third outer arc segments, first outer arc segments are connected with third outer arc segments by circular arc chamfering, second outer arc segments are connected with third outer arc segments by circular arc chamfering, installing channel cell wall includes segmental arc and three petal groove groove walls in three first, petal groove groove wall includes segmental arc in segmental arc and two thirds in one second, segmental arc is connected with segmental arc in third by circular arc chamfering in second, segmental arc is connected with segmental arc in third by joint face in first, intensity is high, light weight, it is compact-sized, it is easy to assembly, power transmission is safe and reliable.
Description
Technical field
The present invention relates to the triadius type internal spherical cage of a kind of system of vehicle transmission field more particularly to a kind of FSAE racing car power train and
Power train mechanism.
Background technique
The arrangement form of FSAE racing car transmission system postpones drive, i.e. engine in front of rear wheel mid-engine in being substantially, and rear wheel drive is this
Driveline arrangement form can reach ideal axle load distribution, to improve handling.In FSAE match, more come the more fleet
Use limited-slip differential.For the fleet that takes in competition, there are three types of the alternative of limited-slip differential is general: torsional differential gear, Drexler
(Drake strangles this) differential mechanism and CUSCO (Cuzco) differential mechanism.It is most of by comparing the working performance and price of differential mechanism
Fleet selects Drexler (Drake strangles this) differential mechanism.The former internal spherical cage used in FSAE racing car, there is following disadvantages:
First, internal spherical cage is fixed with differential mechanism beam type, and internal spherical cage easy fracture is caused to deform because former internal spherical cage ball groove length is too long；The
Two, in race, racing car speed is fast, and vehicle bounce is big, and former internal spherical cage is bulky at this time, can interfere with semiaxis, even result in
Cage or half axle fracture, there are great security risks；Third, former internal spherical cage and differential mechanism only lean on spline and differential mechanism to connect
It connects, there are internal spherical cages to move to axial, and seriously affects differential mechanism service life.
Summary of the invention
The present invention provides the triadius type internal spherical cage of racing car power train and power train mechanisms, and which overcome in background technique three
Deficiency present in V shape internal spherical cage.
The present invention solve the used technical solution of its technical problem first is that:
The triadius type internal spherical cage of racing car power train, the transmission shaft and three columns of the bevel gear including the limited-slip differential that is sequentially connected
Type groove shell, the three column types pot shell and transmission shaft integrated design；Recessed be formed with of three column types pot shell terminal surface can connect three ball pins
Axle assembly and be in tripetaloid installation channel, the installation channel include a circular trough and three annular arrays arrangement and by
The petal slot of the recessed formation of circular trough inner wall；The three column types pot shell outer wall is recessed there are three weight loss groove, in the circumferential three petals
Slot and three weight loss groove interlaced arrangements；
The three column types pot shell periphery wall includes the three loss of weight groove groove walls and three the first outer arc segments of circumferentially staggered arrangement；It should
Loss of weight groove groove wall includes one second outer arc segments and two axially symmetric dispositions and the third outer arc for being located at the second outer arc segments two sides
The axis of section, first outer arc segments, the axis of the second outer arc segments and circular trough is overlapped, and first outer arc segments and third outer arc segments are logical
Circular arc chamfering connection is crossed, which is connected with third outer arc segments by circular arc chamfering；
The installation channel cell wall includes segmental arc and three petal groove groove walls, petal slot in the first of three corresponding circular troughs
Cell wall includes segmental arc and two axially symmetric dispositions and being located in second segmental arc in the third of segmental arc two sides in one second, this
Segmental arc axis and circular trough axis are overlapped in two, this in second segmental arc connected with segmental arc in third by circular arc chamfering, this first
Interior segmental arc is connected with segmental arc in third by joint face.
Among one embodiment: the transmission shaft sets spline shaft end, and bolt hole, another matching screw machine are equipped with inside the spline shaft end
Structure passes through bolt hole connection bevel gear and transmission shaft, is also lined with the O-ring for preventing oil leakage in the bolt mechanism.
Among one embodiment: the three column types pot shell periphery wall sets mounting portion, and dust cover is separately arranged, the dust cover be socketed this three
Column type pot shell and dust cover and mounting portion cooperate connecing dust cover cover on three column type pot shells.
Among one embodiment: the connecting portion of the three column types pot shell and transmission shaft is provided with the mistake for preventing connecting portion to be broken
Cross position.
Among one embodiment: the three column types pot shell and transmission shaft are made into integration using TC4 titanium alloy.
The present invention solve the used technical solution of its technical problem second is that:
The power train mechanism of racing car power train, including after supporting mechanism, engine, chain-wheel mechanism, limited-slip differential, driving
The three ball pin axle assemblies and three ball pin style constant speed universal joint of wheel；The chain-wheel mechanism includes minor sprocket, big sprocket wheel and to connect this small
The chain of sprocket wheel and big sprocket wheel, the limited-slip differential are installed on supporting mechanism by bearing；The driving engine connects chainlet
Wheel, big sprocket wheel transmission connection differential mechanism, the limited-slip differential pass through three ball pin style constant speed universal joint and are sequentially connected three ball pins partly
Shaft assembly；The three ball pin style constant speed universal joint includes the triadius type internal spherical cage of the racing car power train, the slide limiting differential utensil
There is bevel gear, which connects the bevel gear of limited-slip differential, which is connected to the installation channel.
The technical program compared with the background art, it has the following advantages:
Three column type pot shell periphery walls include three loss of weight groove groove walls and three the first outer arc segments, and loss of weight groove groove wall includes one the
Two outer arc segments and two third outer arc segments, the first outer arc segments are connected with third outer arc segments by circular arc chamfering, the second outer arc segments and
Three outer arc segments are connected by circular arc chamfering, and installation channel cell wall includes segmental arc and three petal groove groove walls in three first, petal
Groove groove wall includes segmental arc in segmental arc and two thirds in one second, and segmental arc is connected with segmental arc in third by circular arc chamfering in second,
Segmental arc is connected with segmental arc in third by joint face in first, using the structure, can solve the problems of the prior art, intensity
Height, light weight is compact-sized, easy to assembly, and power transmission is safe and reliable.
Bolt mechanism connection is added inside cage, connection is more stable, and transmission power is more stable.
Internal spherical cage is made of TC4 titanium alloy, and intensity is high, and anti-fatigue performance is good.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Fig. 1 is the schematic diagram of triadius type internal spherical cage of the present invention；
Fig. 2 is the partial sectional view of triadius type internal spherical cage of the present invention；
Fig. 3 is the schematic diagram of three column type pot shell channels cross-section shapes of triadius type internal spherical cage of the present invention；
Fig. 4 is the schematic diagram that triadius type internal spherical cage of the present invention assembles in FSAE racing car power train.
Specific embodiment
Please refer to Fig. 1 to Fig. 4, the triadius type internal spherical cage 10 of racing car power train, including the cone of transmission connection limited-slip differential
The transmission shaft 11 of gear and three column type pot shells 12, the three column types pot shell 12 and transmission shaft 11 are made into integration using TC4 titanium alloy.
The transmission shaft 11 sets spline shaft end 111, and bolt hole 112, another matching screw mechanism are equipped with inside the spline shaft end 111
Bevel gear and transmission shaft are connected across bolt hole, is also lined with the O-ring for preventing oil leakage in the bolt mechanism.
Recessed be formed with of three column types, 12 terminal surfaces of pot shell can connect three ball pin axle assemblies and in tripetaloid installation
Channel, three installation channel annular arrays arrangement, the installation channel include a circular trough 121 and three annular arrays arrangements and
By the petal slot 122 of the recessed formation of circular trough inner wall；Three column types, 12 outer walls of pot shell are recessed, and there are three weight loss grooves 123, in circumferential direction
Upper three petal slots and three weight loss groove interlaced arrangements.
Three column types pot shell, 12 periphery wall includes the three loss of weight groove groove walls and three the first outer arc segments of circumferentially staggered arrangement
12A；The loss of weight groove groove wall includes the axially symmetric disposition of one second outer arc segments 12B and two and is located at the second outer arc segments two sides
The axis of third outer arc segments 12C, first outer arc segments 12A, the axis of the second outer arc segments 12B and circular trough is overlapped, this is outside first
Segmental arc 12A is connected with third outer arc segments 12C by circular arc 12D chamfering, and the second outer arc segments 12B and third outer arc segments 12C pass through
The connection of circular arc 12E chamfering；The axis of third outer arc segments 12C be arranged in using the axis of circular trough as axis circle (circle it is straight
Diameter is as shown in D5 in figure) and the crosspoint of the first outer arc segments 12A axis of symmetry on；The diameter of first outer arc segments 12A is as schemed
Shown in middle D1, the second outer arc segments 12B diameter is as shown in D6 in figure, and third outer arc segments 12C diameter is as shown in D7 in figure, circular arc
12D chamfer radius is as shown in R6 in figure, and circular arc 12E chamfer radius is as shown in R8 in figure.The installation channel cell wall includes three right
Segmental arc 12a and three petal groove groove walls in the first of circular trough are answered, which includes segmental arc 12b and two axis in one second
To being arranged symmetrically and be located in second segmental arc 12c in the third of segmental arc two sides, segmental arc axis and the round fluted shaft in second
Line is overlapped, this in second segmental arc 12b connected with segmental arc 12c in third by circular arc 12d chamfering, the segmental arc 12a and the in first
Segmental arc 12c is connected by joint face 12e in three；The axis of segmental arc 12c is arranged in using the axis of circular trough as axis in the third
Circle (diameter of a circle is as shown in D5 in figure) and the segmental arc 12a axis of symmetry in first crosspoint on；The segmental arc in first
12a diameter is as shown in D2 in figure, and segmental arc 12b diameter is as shown in D3 in figure in second, third outer arc segments 12c diameter such as D4 institute in figure
Show, circular arc 12d chamfer radius is as shown in R9 in figure.Wherein: form parameter includes above-mentioned D1-D7, R8-R9, specifically such as: three columns
Type groove shell maximum outside diameter D1, three column type pot shell inner cavity most path D2, three column type pot shell inner cavity maximum diameter D3, three column type pot shell channels
Diameter D4 and three column type pot shell channel center circular diameter D5.It can determine specific three column types pot shell section by these data
Shape, housing channel depth can be processed according to practical adjusted design.
The three column types pot shell periphery wall sets mounting portion, and dust cover is separately arranged, the dust-proof enclosure in the mounting portion such as protrusion 124
It connects the three column types pot shell 12 and dust cover and mounting portion cooperation is connecing dust cover cover on three column type pot shells 12.The three column types slot
The connecting portion of shell and transmission shaft is provided with the intermediate location 125 for preventing connecting portion to be broken, and the transition portion for example circular arc falls
Angle.
Power train mechanism based on FSAE racing car, including supporting mechanism, engine, chain-wheel mechanism, differential mechanism 30, three ball pins
Three ball pin axle assemblies 50 of formula constant velocity cardan joint and driving rear-wheel.The chain-wheel mechanism includes minor sprocket 21, big sprocket wheel 22 and connects
The chain 23 of the minor sprocket 21 and big sprocket wheel 22 is connect, which is installed on supporting mechanism by deep groove ball bearing 31；It should
Engine fixed setting, and the engine is located at before three ball pin axle assemblies 50, the power output shaft of the engine is affixed small
Sprocket wheel 21 is with the minor sprocket 21 that is sequentially connected, and to drive minor sprocket 21 to rotate, which drives big sprocket wheel 22 by chain 23
Rotation, the big sprocket wheel 22 transmission connection differential mechanism 30, to drive differential mechanism 30 to rotate by the rotation of big sprocket wheel 22, differential mechanism 30 leads to
Three ball pin style constant speed universal joint three ball pin axle assemblies of transmission connection are crossed, to drive the rotation of three ball pin axle assemblies.Three ball pin
Formula constant velocity cardan joint includes above-mentioned triadius type internal spherical cage 10.
The differential mechanism 30 as use Drexle Drexler differential mechanism, 21 sets of the big sprocket wheel except differential mechanism 30, and
It is solidly installed by spline, is additionally provided with retaining ring and connects the big sprocket wheel 21 and differential mechanism 30 to limit 21 axial position of big sprocket wheel.
The supporting mechanism includes two support plates 41 arranged along three ball pin axle assembly axially spaced-aparts, which has
The middle part of one connected with differential 30 and be located at middle part two sides the first side and the second side, which, which such as sets, runs through
Hole, the differential mechanism 30 are installed in through hole by bearing, so that differential mechanism 30 can be rotated relative to supporting mechanism.Two support plate
License plate 42 is also fixed with by bolt mechanism on 41 middle part, license plate is fixed by bolts in support plate 41, it both decorates rear axle,
Prevent support plate from rolling again.
First side attaching of two support plate 41 has fixed block 43, which is connected with by the first bolt mechanism
Adjusting block, the adjusting block are installed on the first vehicle frame auricle 61, and gasket is equipped between the fixed block 43 and adjusting block；Specific structure
In: linked together between the first side and fixed block 43 of two support plate 41 by the second bolt mechanism, the adjusting block and
It is linked together between first vehicle frame auricle 61 by third bolt mechanism, the bolt of the second bolt mechanism, third bolt mechanism
Bolt be parallel to drive axis, enable to unclamp bolt mechanism and rotate with this configuration and adjust the first side and fixation
Block 43, rotation adjust adjusting block and the first vehicle frame auricle.Second side of two support plate 41 is installed in the second vehicle frame auricle 62
On；In specific structure: being connected between the second side of two support plate 41 and the second vehicle frame auricle 62 by the 4th bolt mechanism
Together, the bolt of the 4th bolt mechanism is parallel to three ball pin axle assembly axis, makes to unclamp bolt with this configuration
Mechanism, which can rotate, adjusts the second side and the second vehicle frame auricle 62.Among present embodiment: by the number of gasket or
Replacement different-thickness gasket is adjustable the spacing of fixed block 43 and adjusting block, adjusts 41 middle part of the first vehicle frame auricle 61 and support plate
Spacing, adjust chain 23 tensile force, specifically such as: by adjust fixed block 43 and adjusting block spacing, make support plate backward
Rotation, makes center away from increase, to achieve the purpose that chain tension, structure is simple, highly reliable.
Also attaching has dust cover 51 on the three ball pins axle assembly, and the dust cover 51 and three ball pin style constant speed universal joint 40 divide
Not Bu Zhi differential mechanism 30 in two sides, 30 side mode of differential mechanism is abutted against into dirt by dust cover 51.
The three ball pins axle assembly drives rear-wheel, postpones drive in the transmission system, is conducive to adjust vehicle center of gravity.
The above is only the preferred embodiment of the present invention, the range implemented of the present invention that therefore, it cannot be limited according to, i.e., according to
Equivalent changes and modifications made by the invention patent range and description, should still be within the scope of the present invention.
Claims (6)
1. the triadius type internal spherical cage of racing car power train, it is characterised in that: the biography of the bevel gear including the limited-slip differential that is sequentially connected
Moving axis and three column type pot shells, the three column types pot shell and transmission shaft integrated design；Three column types pot shell terminal surface is recessed is formed with energy for this
It connects three ball pin axle assemblies and is in tripetaloid installation channel, which includes a circular trough and three annular arrays
Petal slot arranging and by the recessed formation of circular trough inner wall；The three column types pot shell outer wall is recessed, and there are three weight loss grooves, in circumferential direction
Upper three petal slots and three weight loss groove interlaced arrangements；
The three column types pot shell periphery wall includes the three loss of weight groove groove walls and three the first outer arc segments of circumferentially staggered arrangement；The loss of weight
Groove groove wall includes one second outer arc segments and two axially symmetric dispositions and the third outer arc segments for being located at the second outer arc segments two sides, is somebody's turn to do
The axis of first outer arc segments, the axis of the second outer arc segments and circular trough is overlapped, and first outer arc segments and third outer arc segments pass through circle
The connection of arc chamfering, second outer arc segments are connected with third outer arc segments by circular arc chamfering；
The installation channel cell wall includes segmental arc and three petal groove groove walls, petal groove groove wall in the first of three corresponding circular troughs
Including segmental arc in one second and two axially symmetric dispositions and segmental arc in the third of segmental arc two sides is located in second, this is in second
Segmental arc axis and circular trough axis are overlapped, this in second segmental arc connected with segmental arc in third by circular arc chamfering, first inner arc
Section is connected with segmental arc in third by joint face.
2. the triadius type internal spherical cage of racing car power train according to claim 1, it is characterised in that: the transmission shaft sets splined shaft
End, spline shaft end inside are equipped with bolt hole, and another matching screw mechanism passes through bolt hole connection bevel gear and transmission shaft, the bolt
The O-ring for preventing oil leakage is also lined in mechanism.
3. the triadius type internal spherical cage of racing car power train according to claim 1, it is characterised in that: the three column types pot shell periphery
Wall sets mounting portion, and dust cover is separately arranged, which is socketed the three column types pot shell and dust cover and mounting portion cooperate with will be dust-proof
Cover cover connects on three column type pot shells.
4. the triadius type internal spherical cage of racing car power train according to claim 1, it is characterised in that: the three column types pot shell and biography
The connecting portion of moving axis is provided with the intermediate location for preventing connecting portion to be broken.
5. the triadius type internal spherical cage of racing car power train according to claim 1, it is characterised in that: the three column types pot shell and biography
Moving axis is made into integration using TC4 titanium alloy.
6. the power train mechanism of racing car power train, it is characterised in that: including supporting mechanism, engine, chain-wheel mechanism, slide limiting differential
Device, the three ball pin axle assemblies and three ball pin style constant speed universal joint for driving rear-wheel；The chain-wheel mechanism include minor sprocket, big sprocket wheel and
The chain of the minor sprocket and big sprocket wheel is connected, which is installed on supporting mechanism by bearing；The driving engine
Minor sprocket, big sprocket wheel transmission connection differential mechanism are connected, which passes through three ball pin style constant speed universal joint and be sequentially connected
Three ball pin axle assemblies；The three ball pin style constant speed universal joint includes racing car power train described in claims 1 or 2 or 3 or 4 or 5
Triadius type internal spherical cage, the limited-slip differential have bevel gear, the transmission shaft driven connect limited-slip differential bevel gear, this three
Ball pin axle assembly is connected to the installation channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558324.1A CN109854633A (en) | 2018-12-19 | 2018-12-19 | The triadius type internal spherical cage and power train mechanism of racing car power train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558324.1A CN109854633A (en) | 2018-12-19 | 2018-12-19 | The triadius type internal spherical cage and power train mechanism of racing car power train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109854633A true CN109854633A (en) | 2019-06-07 |
Family
ID=66891671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558324.1A Withdrawn CN109854633A (en) | 2018-12-19 | 2018-12-19 | The triadius type internal spherical cage and power train mechanism of racing car power train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854633A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070135221A1 (en) * | 2005-12-12 | 2007-06-14 | Naohiro Une | Cross groove constant velocity universal joint |
| CN202056214U (en) * | 2011-05-11 | 2011-11-30 | 万向钱潮股份有限公司 | Three-column groove shell |
| CN202326788U (en) * | 2011-11-11 | 2012-07-11 | 浙江向隆机械有限公司 | Constant-speed driving shaft ball-shaped cage |
| CN204677726U (en) * | 2015-05-15 | 2015-09-30 | 华侨大学 | The linkage structure of automotive hub and semiaxis |
| CN105114589A (en) * | 2015-07-29 | 2015-12-02 | 武汉理工大学 | Differential mechanism of formula SAE (FSAE) racing car |
| CN105422660A (en) * | 2015-12-16 | 2016-03-23 | 长安大学 | Minor semi-axis of transmission system of FSAE (Formula SAE) racing car |
| CN207879883U (en) * | 2017-12-29 | 2018-09-18 | 万向钱潮重庆汽车部件有限公司 | A kind of GI87m housings of bicircular arcs structure |
| CN209483828U (en) * | 2018-12-19 | 2019-10-11 | 华侨大学 | A kind of the triadius type internal spherical cage and power train mechanism of racing car power train |
-
2018
- 2018-12-19 CN CN201811558324.1A patent/CN109854633A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070135221A1 (en) * | 2005-12-12 | 2007-06-14 | Naohiro Une | Cross groove constant velocity universal joint |
| CN202056214U (en) * | 2011-05-11 | 2011-11-30 | 万向钱潮股份有限公司 | Three-column groove shell |
| CN202326788U (en) * | 2011-11-11 | 2012-07-11 | 浙江向隆机械有限公司 | Constant-speed driving shaft ball-shaped cage |
| CN204677726U (en) * | 2015-05-15 | 2015-09-30 | 华侨大学 | The linkage structure of automotive hub and semiaxis |
| CN105114589A (en) * | 2015-07-29 | 2015-12-02 | 武汉理工大学 | Differential mechanism of formula SAE (FSAE) racing car |
| CN105422660A (en) * | 2015-12-16 | 2016-03-23 | 长安大学 | Minor semi-axis of transmission system of FSAE (Formula SAE) racing car |
| CN207879883U (en) * | 2017-12-29 | 2018-09-18 | 万向钱潮重庆汽车部件有限公司 | A kind of GI87m housings of bicircular arcs structure |
| CN209483828U (en) * | 2018-12-19 | 2019-10-11 | 华侨大学 | A kind of the triadius type internal spherical cage and power train mechanism of racing car power train |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190607 |