CN108167395A - A kind of steering and driving axle helical gear planetary reduction gear structure - Google Patents
A kind of steering and driving axle helical gear planetary reduction gear structure Download PDFInfo
- Publication number
- CN108167395A CN108167395A CN201711441433.0A CN201711441433A CN108167395A CN 108167395 A CN108167395 A CN 108167395A CN 201711441433 A CN201711441433 A CN 201711441433A CN 108167395 A CN108167395 A CN 108167395A
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- Prior art keywords
- gear
- planet
- helical teeth
- ring
- helical
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of steering and driving axle helical gear planetary reduction gear structure, wherein, including：Thrust bearing (18), spring (17), bell hub (1), planet stent (27), thrust washer (28), helical teeth gear ring support (26), needle roller (4), spacer ring (2), fixed steel wire coil spring (6), adjusting pad (11), baffle ring (13), helical teeth sun gear (21), tiltedly bevel planet gear (3), interior toothed ring gear (5) and helical teeth gear ring support (26).Straight-tooth planetary reduction gear mechanism is optimized in the present invention, it simultaneously can be used for turning function and increase helical teeth planetary gear speed reducing mechanism, effectively overcome axial force, axial force is effectively converted to force of rolling friction simultaneously, power loss is reduced, while increases the helical teeth planetary gear speed reducing mechanism of the drive axle of turning function.
Description
Technical field
The invention belongs to motor turning drive axle fields, and in particular to a kind of drive axle helical gear planetary reduction gear knot
Structure.
Background technology
With the development of transportation in some important applied fields, heavy-duty car and special vehicle are to drive axle
And the bearing capacity of steering and driving axle is higher and higher, it is more increasing than requiring to speed.High-mechanic, big speed for drive axle
The demand of ratio is more and more urgent.
In heavy-duty car and special vehicle, drive axle obtains the transmission of bigger frequently with double reduction structure with this
Than double-stage deceleration drive axle mainly subtracts The gear deceleration using screw conic master and wheel side planetary reduction gear realizes double reduction, drive axle
Planetary gear speed reducing mechanism be the speed ratio and bearing capacity that influence drive axle principal element, that is, influence the bearing capacity and biography of whole bridge
Kinetic force.
Ensure entire planetary gear speed reducing mechanism normal work and while whole bridge structure size is not increased, optimize planet
Slowing-down structure reaches the bearer cap for increasing planetary gear speed reducing mechanism, is the hair that car industry is directed to large speed ratio, high-mechanic drive axle
Exhibition trend.
The planetary gear speed reducing mechanism of existing double-stage deceleration drive axle using straight-tooth wheel construction, cannot mostly increase in structure size
Add, transmit Same Efficieney and in the case where planetary gear quantity is identical, there are ratio coverage is limited, structure weight for planetary reduction gear
An important factor for the deficiencies of amount is big, bearing capacity is limited, these deficiencies are the carrying of limitation vehicle and performance performance.
Invention content
It is above-mentioned for solving the purpose of the present invention is to provide a kind of steering and driving axle helical gear planetary reduction gear structure
Problem of the prior art.
A kind of steering and driving axle helical gear planetary reduction gear structure of the present invention, wherein, including：Thrust bearing (18), bullet
Spring (17), bell hub (1), planet stent (27), thrust washer (28), helical teeth gear ring support (26), needle roller (4), spacer ring (2),
Fixed steel wire coil spring (6), adjusting pad (11), baffle ring (13), helical teeth sun gear (21), tiltedly bevel planet gear (3), interior toothed ring gear
(5) and helical teeth gear ring support (26)；Bell hub (1) and planet stent (27) link together, and planet pin (8) is interference fitted in clock
Inside shape hub (1) and planet stent (27)；Between bevel planet gear (3) and planet pin (8) by needle roller (4), spacer ring (2) with
And thrust washer (28) is carried out radially with axial positioning, bevel planet gear (3) can be by needle roller (4) and planet pin (8) structure
Into cylindrical surface on rotated；Spring (17) is used cooperatively with thrust bearing (18), axial caused by helical gear to overcome
Power, spring (17) plays preload and damping noise reduction effect, spring (17) are placed in the blind hole that thrust head cover (9) is opened, thrust
Bearing (18), which is held, to be arranged on the boss of helical teeth sun gear (21)；Semiaxis jacking block (15) arrangement one of the axial direction of semiaxis (24)
A jacking block, for the axial movement for the limitation semiaxis (24) that works during the motion with thrust head cover (9) one, to be limited
Position；Semiaxis (24) is connect by the internal spline of helical teeth helical teeth sun gear (21) with the spline of semiaxis (24) and helical teeth sun gear
(21) radial positioning is carried out with engaging for bevel planet gear (3)；Axial direction leans on semiaxis jacking block (15), the little spring retainer ring of end face
(16) and baffle ring (13) carries out axial limiting together；Helical teeth gear ring support (26) by on knuckle or vehicle bridge ontology (25)
It is relatively fixed, helical teeth gear ring support (26) will tiltedly interior toothed ring gear (5) be fixed together by fixed steel wire coil spring (6).
A kind of one embodiment of steering and driving axle helical gear planetary reduction gear structure according to the present invention, wherein, bell hub (1)
It is linked together with planet stent (27) by bolt (19).
A kind of one embodiment of steering and driving axle helical gear planetary reduction gear structure according to the present invention, wherein, thrust head cover
(9) surface need to carry out quenching treatment to increase the wear-resisting ability of thrust head cover (9).
A kind of one embodiment of steering and driving axle helical gear planetary reduction gear structure according to the present invention, wherein, bevel planet tooth
Wheel (3), needle roller (4), spacer ring (2), thrust washer (28) are fixed together.
A kind of one embodiment of steering and driving axle helical gear planetary reduction gear structure according to the present invention, wherein, needle roller (4) is adopted
With dually arrayed, oilhole is opened on planet pin.
A kind of one embodiment of steering and driving axle helical gear planetary reduction gear structure according to the present invention, wherein, in planet pin
(8) two end faces process two parallel surfaces and the endoporus to match in thrust washer (28) processing, make thrust washer
(28) it does not relatively rotate with planet pin (8).
The present invention was both optimized straight-tooth planetary reduction gear mechanism, simultaneously can be used for turning function and increases tiltedly
Tooth planetary gear speed reducing mechanism effectively overcomes axial force, while axial force is effectively converted to force of rolling friction, reduces work(
Rate is lost, while increases the helical teeth planetary gear speed reducing mechanism of the drive axle for turning function of knowing clearly.Helical teeth planetary gear speed reducing mechanism is utilized
Registration is high when helical gear engages, bearing capacity is big, low noise obtains a little, in structure size under the same conditions, substantially increases
The bearing capacity of planetary reduction gear.
Description of the drawings
Fig. 1 show a kind of steering and driving axle helical gear planetary reduction gear structure diagram of the present invention；
Fig. 2 a show bell hub assembly structure sectional view；
Fig. 2 b are shown as bell hub assembly structure explosive view；
Fig. 3 a show planetary reduction gear planet pin and the schematic diagram after gear assembling；
Fig. 3 b show the schematic diagram that planetary reduction gear planet pin is decomposed with gear；
Fig. 4 show the assembling relationship figure of the bevel planet gear of planetary reduction gear；
Fig. 5 show the assembling relationship figure of planet stent and antifriction gasket；
Fig. 6 show the assembling relationship figure of planet pin and thrust washer.
Fig. 7 show semiaxis assembly connection schematic diagram；
Fig. 8 show gear ring and stent connection diagram.
Specific embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Specific embodiment is described in further detail.
Fig. 1 show a kind of steering and driving axle helical gear planetary reduction gear structure diagram of the present invention, as shown in Figure 1, this hair
The gear planetary reducer structure that a kind of drive axle of bright achievable turning function is oblique mainly includes thrust bearing (18), spring
(17), bell hub (1), planet stent (27), thrust washer (28), helical teeth gear ring support (26), needle roller (4), spacer ring (2), solid
Determine steel wire coil spring (6), adjusting pad (11), baffle ring (13), helical teeth sun gear (21), tiltedly bevel planet gear (3), interior toothed ring gear
(5) and helical teeth gear ring support (26) cooperation is installed, and forms helical gear side planetary system.
As shown in Figure 1, bell hub (1) and planet stent (27) are linked together by bolt (19), planet pin (8) interference
Cooperation is inside bell hub (1), planet stent (27).
As shown in Figure 1, pass through needle roller (4) spacer ring (2), thrust washer (28) between bevel planet gear (3) and planet pin (8)
The positioning radially with axial direction is carried out, bevel planet gear (3) is turned on the cylindrical surface being made of needle roller (4) and planet pin (8)
It is dynamic.
As shown in Figure 1, spring (17) is used cooperatively with thrust bearing (18), it is axial caused by helical gear to overcome with this
Power, spring (17) play preload and damping noise reduction effect.Spring (17) is placed in the blind hole that thrust head cover (9) is opened, thrust
Bearing (18), which is held, to be arranged on the boss of helical teeth sun gear (21).
As shown in Figure 1, the axial direction of semiaxis (24) semiaxis jacking block (15) arrange a jacking block, main function be
It works in steering or motion process with thrust head cover (9) one and limits the axial movement of semiaxis (24), have the function that limiting, with
Semiaxis jacking block (15) cooperation thrust head cover (9) surface need to carry out quenching treatment increase the wear-resisting ability of thrust head cover (9) with
Improve two service lifes for mutually grinding part.
As shown in Figure 1, positioning of the semiaxis (24) in planetary reduction gear mainly includes radial positioning and axially position, pass through
The internal spline of helical teeth helical teeth sun gear (21) is connect with the spline of semiaxis (24) and helical teeth sun gear (21) and bevel planet gear
(3) engagement carries out radial positioning；Axial direction leans on the semiaxis jacking block (15) of end face and little spring retainer ring (16), baffle ring (13)
Axial limiting is carried out together.
As shown in Figure 1, helical teeth gear ring support (26) is on knuckle or vehicle bridge ontology (25) by with being relatively fixed, tiltedly
Toothed ring gear stent (26) will tiltedly interior toothed ring gear (5) be fixed together by fixed steel wire coil spring (6) with oneself.
As shown in Figure 1, an a kind of embodiment of drive axle helical gear planetary reduction gear structure of the present invention, including bell
Hub (1), spacer ring (2), bevel planet gear (3), needle roller (4), tiltedly in toothed ring gear (5), fixed steel wire coil spring (6), oil stifled (7),
Planet pin (8), oil sealing end cap (10), adjusting pad (11), spring collar (12), baffle ring (13), refuels and blocks up at thrust head cover (9)
(14), semiaxis jacking block (15), little spring retainer ring (16), spring (17), thrust bearing (18), bolt (19), bolt (20), helical teeth
Sun gear (21), thrust retainer ring (22), nut (23), semiaxis (24), knuckle or vehicle bridge ontology (25), helical teeth gear ring support
(26), planet stent (27), thrust washer (28) and antifriction gasket (29).
As shown in Figure 1, overall gear modulus is 3.6, helical angle is 13 °, sun gear, planetary gear, gear ring parameter point
It Wei 18,21,62；Sun gear improves the intensity of sun gear using profile modified coefficient.
Fig. 2 a show bell hub assembly structure sectional view, and Fig. 2 b are shown as bell hub assembly structure explosive view, such as Fig. 2
Shown, bell hub (1) and planet stent (27) are linked together by bolt (19), and planet pin (8) is interference fitted in bell hub
(1), inside planet stent (27)；The frame of support planetary system is formed, so that bevel planet gear (3), needle roller (4), spacer ring can be made
(2), thrust washer (28) is fixed together.
Fig. 3 a show planetary reduction gear planet pin and the schematic diagram after gear assembling, and Fig. 3 b show planetary reduction gear row
The schematic diagram that star pin is decomposed with gear, Fig. 4 show the assembling relationship figure of the bevel planet gear of planetary reduction gear, and Fig. 5 is shown
The assembling relationship figure of planet stent and antifriction gasket, Fig. 6 show the assembling relationship figure of planet pin and thrust washer, such as Fig. 3 extremely
Shown in Fig. 6, between bevel planet gear (3) and planet pin (8) by needle roller (4) spacer ring (2), thrust washer (28) carry out radially with
Axial positioning, bevel planet gear (3) are rotated on the cylindrical surface being made of needle roller (4) and planet pin (8).
In order to increase the contact stress of the stability of planetary gear and contact area and reduction contact part, needle roller (4)
Using dually arrayed, oilhole is opened on planet pin as preferably lubrication.
Two parallel surfaces are processed in two end faces of planet pin (8) and are machined with close shape in thrust washer (28)
The endoporus of shape makes thrust washer (28) not relatively rotate with planet pin (8), reduces bell hub (1) and planet stent (27)
Abrasion.
Fig. 7 show semiaxis assembly connection schematic diagram, as shown in fig. 7, spring (17) is used cooperatively with thrust bearing (18),
Axial force caused by helical gear is overcome with this, spring (17) plays preload and damping noise reduction effect.Spring (17) is placed
In the blind hole opened in thrust head cover (9), thrust bearing (18), which is held, to be arranged on the boss of helical teeth sun gear (21).
The semiaxis jacking block (15) of the axial direction of semiaxis (24) arranges a jacking block, and main function is in steering procedure
It works with thrust head cover (9) one and limits the axial movement of semiaxis (24), have the function that limiting, coordinate with semiaxis jacking block (15)
Thrust head cover (9) surface need to carry out quenching treatment to increase the wear-resisting ability of thrust head cover (9) to improve two mutually mill parts
Service life.
Positioning of the semiaxis (24) in planetary reduction gear mainly includes radial positioning and axially position, by helical teeth helical teeth too
The internal spline of sun wheel (21) connect with the spline of semiaxis (24) and helical teeth sun gear (21) and bevel planet gear (3) engage into
Row radial positioning；Axial direction carries out axis together by the semiaxis jacking block (15) and little spring retainer ring (16), baffle ring (13) of end face
To limiting.
Fig. 8 show gear ring and stent connection diagram, as shown in figure 8, helical teeth gear ring support (26) by with knuckle
Or be relatively fixed on vehicle bridge ontology (25), helical teeth gear ring support (26) is by fixing steel wire coil spring (6) by oblique internal tooth tooth
Circle (5) is fixed together with oneself.
The present invention relates to steering and driving axle planetary reduction gear structure, by providing a kind of gear knot different from traditional structure
Structure solves the problems, such as carrying of the current drive axle under given structure special case, increases the transmission capacity of whole bridge simultaneously
Realize turning function.Including bevel planet gear, helical teeth sun gear and thrust bearing, spring installation forms an entirety
Planetary structure.The configuration of the present invention is simple increases, noise reduction compared with traditional structure bearing capacity, improves the bearer cap of whole bridge.
The Spur Gear Driving of planetary reduction gear is changed to Helical gear Transmission, increase the speed of planetary reduction gear than amplitude and is held
Carry capacity, while the simultaneous wheel side planetary reduction gear structure for considering turning function.In the side using helical gear planetary reduction gear
After case, determine how overcome helical gear in transmission process generated axial force and after turning function is considered half
The scheme of axis axial limiting achievees the purpose that increase large speed ratio, improve carrying and increase steering.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of steering and driving axle helical gear planetary reduction gear structure, which is characterized in that including：Thrust bearing (18), spring (17),
Bell hub (1), planet stent (27), thrust washer (28), helical teeth gear ring support (26), needle roller (4), spacer ring (2), fixed steel wire
Coil spring (6), adjusting pad (11), baffle ring (13), helical teeth sun gear (21), bevel planet gear (3), tiltedly in toothed ring gear (5) and tiltedly
Toothed ring gear stent (26)；
Bell hub (1) and planet stent (27) link together, and planet pin (8) is interference fitted in bell hub (1) and planet branch
Inside frame (27)；
Between bevel planet gear (3) and planet pin (8) by needle roller (4), spacer ring (2) and thrust washer (28) carry out radially with
Axial positioning, bevel planet gear (3) can be rotated on the cylindrical surface being made of needle roller (4) and planet pin (8)；
Spring (17) is used cooperatively with thrust bearing (18), and to overcome axial force caused by helical gear, spring (17) plays pre-
Tight and damping noise reduction effect, spring (17) are placed in the blind hole that thrust head cover (9) is opened, and thrust bearing (18), which is held, to be arranged in tiltedly
On the boss of tooth sun gear (21)；
The semiaxis jacking block (15) of the axial direction of semiaxis (24) arranges a jacking block, for during the motion with thrust head cover
(9) one, which work, limits the axial movement of semiaxis (24), to be limited；
Semiaxis (24) is connect by the internal spline of helical teeth helical teeth sun gear (21) with the spline of semiaxis (24) and helical teeth sun gear
(21) radial positioning is carried out with engaging for bevel planet gear (3)；Axial direction leans on semiaxis jacking block (15), the little spring retainer ring of end face
(16) and baffle ring (13) carries out axial limiting together；
Helical teeth gear ring support (26) on knuckle or vehicle bridge ontology (25) by with being relatively fixed, helical teeth gear ring support (26)
It will tiltedly interior toothed ring gear (5) be fixed together by fixed steel wire coil spring (6).
2. steering and driving axle helical gear planetary reduction gear structure as described in claim 1, which is characterized in that bell hub (1) and row
Prong frame (27) is linked together by bolt (19).
3. steering and driving axle helical gear planetary reduction gear structure as described in claim 1, which is characterized in that thrust head cover (9) table
Face need to carry out quenching treatment to increase the wear-resisting ability of thrust head cover (9).
4. steering and driving axle helical gear planetary reduction gear structure as described in claim 1, which is characterized in that bevel planet gear (3),
Needle roller (4), spacer ring (2), thrust washer (28) are fixed together.
5. steering and driving axle helical gear planetary reduction gear structure as described in claim 1, which is characterized in that needle roller (4) is using double
Row are arranged, oilhole is opened on planet pin.
6. steering and driving axle helical gear planetary reduction gear structure as described in claim 1, which is characterized in that in planet pin (8)
Two end faces process two parallel surfaces and in the endoporus that match of thrust washer (28) processing, make thrust washer (28) with
Planet pin (8) does not relatively rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441433.0A CN108167395A (en) | 2017-12-27 | 2017-12-27 | A kind of steering and driving axle helical gear planetary reduction gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441433.0A CN108167395A (en) | 2017-12-27 | 2017-12-27 | A kind of steering and driving axle helical gear planetary reduction gear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167395A true CN108167395A (en) | 2018-06-15 |
Family
ID=62521800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711441433.0A Pending CN108167395A (en) | 2017-12-27 | 2017-12-27 | A kind of steering and driving axle helical gear planetary reduction gear structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108167395A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242712A (en) * | 2019-08-04 | 2019-09-17 | 陈泽进 | A kind of planetary gear driver of specific boss |
| CN110529560A (en) * | 2019-08-13 | 2019-12-03 | 一汽解放汽车有限公司 | A kind of hub reduction gear structure |
| CN114127441A (en) * | 2019-07-25 | 2022-03-01 | 谐波传动***有限公司 | Planetary reduction gear |
-
2017
- 2017-12-27 CN CN201711441433.0A patent/CN108167395A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114127441A (en) * | 2019-07-25 | 2022-03-01 | 谐波传动***有限公司 | Planetary reduction gear |
| CN110242712A (en) * | 2019-08-04 | 2019-09-17 | 陈泽进 | A kind of planetary gear driver of specific boss |
| CN110529560A (en) * | 2019-08-13 | 2019-12-03 | 一汽解放汽车有限公司 | A kind of hub reduction gear structure |
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Application publication date: 20180615 |