CN113339475B - Speed variator - Google Patents
Speed variator Download PDFInfo
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- CN113339475B CN113339475B CN202110663748.XA CN202110663748A CN113339475B CN 113339475 B CN113339475 B CN 113339475B CN 202110663748 A CN202110663748 A CN 202110663748A CN 113339475 B CN113339475 B CN 113339475B
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- oil
- shaft
- gear
- bearing
- guide plate
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
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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
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0483—Axle or inter-axle differentials
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3093—Final output elements, i.e. the final elements to establish gear ratio, e.g. dog clutches or other means establishing coupling to shaft
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a transmission which comprises a first shell, a second shell, a first shaft system, a second shaft system, a differential mechanism and a lubricating mechanism, wherein the first shaft system, the second shaft system, the differential mechanism and the lubricating mechanism are arranged between the first shell and the second shell, and a good lubricating effect can be realized through the lubricating mechanism of the transmission.
Description
Technical Field
The invention belongs to the field of vehicles, and particularly relates to a transmission for a vehicle.
Background
Generally, a lubricating mechanism is arranged in each transmission to lubricate components with large load and high movement speed and cool the components. Since the transmission has different rotational directions in the reverse gear and the forward gear, the lubrication method suitable for the rotational direction of the forward gear does not have an ideal lubrication effect in the reverse gear.
Disclosure of Invention
The invention aims to provide a transmission with good lubricating effect.
The method is realized by the following technical means:
a transmission includes a first casing, a second casing, and a first shaft system, a second shaft system, a differential mechanism, and a lubricating mechanism disposed between the first casing and the second casing,
the first shaft system includes a first shaft, a first gear driving gear, a second gear driving gear, and a synchronizing assembly, a first bearing and a second bearing are respectively provided at both ends of the first shaft, a bearing outer race of the first bearing is fixedly connected to the first housing, and a bearing inner race of the first bearing is used to support one end of the first shaft, a bearing outer race of the second bearing is fixedly connected to the second housing, and a bearing inner race of the second bearing is used to support the other end of the first shaft, the first gear driving gear and the second gear driving gear are respectively rotatably supported on the first shaft, and the synchronizing assembly is provided between the first gear driving gear and the second gear driving gear, the synchronizing assembly is used to selectively engage one of the first gear driving gear and the second gear driving gear to the first shaft,
the second shaft system comprises a second shaft, a first-gear driven gear and a second-gear driven gear, a third bearing and a fourth bearing are respectively arranged at two ends of the second shaft, a bearing outer ring of the third bearing is fixedly connected to the first shell, a bearing inner ring of the third bearing is used for supporting one end of the second shaft, a bearing outer ring of the fourth bearing is fixedly connected to the second shell, a bearing inner ring of the fourth bearing is used for supporting the other end of the second shaft, the first-gear driven gear and the second-gear driven gear are respectively fixedly connected to the second shaft, the first-gear driven gear is meshed with the first-gear driving gear, the second-gear driven gear is meshed with the second-gear driving gear, and a main reducing gear is further arranged between the first-gear driven gear and the second-gear driven gear;
the differential mechanism comprises a main reducing gear and a differential mechanism, the main reducing gear is in meshed connection with the main reducing gear and is integrally formed with a shell of the differential mechanism, and the differential mechanism is supported by a fifth bearing and a sixth bearing respectively;
the lubricating mechanism includes an oil guide ring, a first oil guide plate, a first oil baffle, an oil passage hole, a second oil guide plate, and a second oil baffle, the oil guide ring being fitted around and clearance-fitted to the first shaft, a key groove being provided on an inner wall of the oil guide ring, and a shaft key being provided on an outer wall of the first shaft, the shaft key extending into the key groove and being displaceable within the key groove, a plurality of first oil passages being further provided on the first shaft, the first oil passages penetrating the first shaft to allow lubricating oil to enter an interior of the first shaft through the first oil passages, a plurality of second oil passages being further provided on the oil guide ring, the second oil passages penetrating the oil guide ring to allow the lubricating oil to pass through the second oil passages, the first oil guide plate, the first oil baffle, and the oil passage hole being provided on the first housing, the oil passages being formed at a position of the first housing between the first shaft and the second shaft and being close to an upper portion of the first oil guide plate, the first oil guide plate being arranged close to and a lower portion of the oil passage hole, the first oil guide plate being arranged to cover at least a portion of the first oil guide plate and the second oil guide plate;
a second oil guide plate having a shape similar to or the same as that of the first oil guide plate and covering at least a part of the second shaft and the differential mechanism, and a second-speed oil guide plate provided on an upper portion of the second oil guide plate and arranged perpendicularly to the first oil guide plate; the first oil guide plate and the second oil guide plate collectively cover the second shafting, and cover at least a portion of the first shafting and the differential mechanism.
And a gear retaining ring is also arranged between the first-gear driving gear and the first bearing so as to limit the axial movement of the first-gear driving gear.
The synchronizing assembly includes a shift hub fixedly engaged to the first shaft and a shift sleeve that slides relative to the shift hub.
Lubricating mechanism still includes first oil blanket, second oil blanket and third oil blanket, and first oil blanket setting is in the one end of primary shaft in order to prevent that lubricating oil from revealing from the oil storage chamber, and second oil blanket and third oil blanket set up respectively at differential mechanism's both ends to prevent that lubricating oil from revealing from differential mechanism's casing.
The first oil guide plate has a recess and flat portions provided at both ends of the recess, and the oil passage hole is provided near the recess.
The plurality of first oil passages are offset by a predetermined angle with respect to a radial direction of the first shaft, and the plurality of second oil passages are offset by a predetermined angle with respect to a radial direction of the oil guide ring.
When the shaft key is in a first defined position within the keyway, a portion of the first plurality of oil passages is aligned with a portion of the second plurality of oil passages to allow lubrication oil to enter or exit the first shaft through the first and second oil passages that are aligned with each other.
"selectable" or "selectively" connections as referred to herein means connections that are disconnectable by components such as clutches, synchronizers, and the like.
The invention has the following effects:
by providing the first oil guide plate in a shape having a recess and flat portions provided at both ends of the recess, and by providing the oil passage hole at a position corresponding to the recess of the first oil guide plate, it is possible to facilitate guiding of the lubricating oil entering the transmission case from the oil passage into the first shafting, the second shafting, and the differential mechanism through the first oil guide plate, thereby lubricating these moving parts more effectively.
2, providing a plurality of first oil passages in the first shaft and offsetting the first oil passages by a predetermined angle with respect to the radial direction of the first shaft, and providing a plurality of second oil passages in the oil guide ring and offsetting the second oil passages by a predetermined angle with respect to the radial direction of the oil guide ring, the lubricating oil can be caused to enter or exit the first shaft with less resistance.
And 3, the shaft key is provided with a first limit position and a second limit position in the key groove by utilizing the matching of the shaft key of the first shaft and the key groove of the oil guide ring, so that when the first shaft rotates in different directions, the first oil channel and the second oil channel which are aligned with each other are allowed to exist, and the lubricating effect of the variable speed at different gears can be improved.
Drawings
FIG. 1 is a cross section of a transmission according to the present invention.
FIG. 2 is a schematic illustration of a first housing of the transmission according to the present invention.
FIG. 3 is a schematic diagram of a second housing of the transmission and its internal components according to the present invention.
Fig. 4 is an enlarged view of a region C of the transmission shown in fig. 1.
Fig. 5A and 5B are operation state diagrams of the lubricating mechanism of the transmission according to the present invention.
Wherein: 10-first shaft, 11-oil guide ring, 12-second bearing, 13-second gear driving gear, 14-gear hub, 15-gear sleeve, 16-first gear driving gear, 17-gear ring, 18-first bearing, 20-fourth bearing, 21-second gear driven gear, 22-second shaft, 23-first gear driven gear, 24-third bearing, 31-main reduction gear, 32-differential, 33-fifth bearing, 34-sixth bearing, 41-first oil seal, 42-second oil seal, 43-third oil seal, 51-first housing, 52-second housing, 101-shaft key, 111-key groove, 511-second oil guide plate, 512-second oil guide plate, 521-first oil guide plate, 522-first oil guide plate, 523-oil passage hole, 61-first rotation direction, 62-first oil guide direction, 63-second rotation direction, 64-second oil guide direction, 524-oil storage chamber, 524-first oil passage, 71-second oil passage.
Detailed Description
A transmission and a lubricating mechanism thereof according to the present invention will be described in detail below with reference to fig. 1 to 5.
Referring to fig. 1 to 4, the transmission according to the present invention may include a first housing 51, a second housing 52, and a first shaft system, a second shaft system, a differential mechanism, and a lubricating mechanism provided between the first housing 51 and the second housing 52.
The first shaft system may include a first shaft 10, a first gear drive gear 16, a second gear drive gear 13, and a synchronizing assembly.
A first bearing 18 and a second bearing 12 are respectively provided at both ends of the first shaft 10, an outer bearing ring of the first bearing 18 is fixedly connected to the first housing 51, and an inner bearing ring of the first bearing 18 is used to support one end of the first shaft 10, an outer bearing ring of the second bearing 12 is fixedly connected to the second housing 52, and an inner bearing ring of the second bearing 12 is used to support the other end of the first shaft 10.
The first gear driving gear 16 and the second gear driving gear 13 are rotatably supported on the first shaft 10, respectively, and the synchronizing assembly for selectively engaging one of the first gear driving gear 16 and the second gear driving gear 13 to the first shaft 10 is provided between the first gear driving gear 16 and the second gear driving gear 13. A gear ring 17 is disposed between the first driving gear 16 and the first bearing 18 to limit the axial movement of the first driving gear 16.
The synchronizing assembly may comprise a shift hub 14 and a shift sleeve 15, the shift hub 14 being fixedly engaged to the first shaft 10, the shift sleeve 15 sliding with respect to the shift hub 14.
The second shaft system includes a second shaft 22, a first-speed driven gear 23, and a second-speed driven gear 21.
A third bearing 24 and a fourth bearing 20 are respectively provided at both ends of the second shaft 22, a bearing outer race of the third bearing 24 is fixedly connected to the first housing 51, and a bearing inner race of the third bearing 24 is used to support one end of the second shaft 22, a bearing outer race of the fourth bearing 20 is fixedly connected to the second housing 52, and a bearing inner race of the fourth bearing 20 is used to support the other end of the second shaft 22.
The first-gear driven gear 23 and the second-gear driven gear 21 are respectively fixedly connected to the second shaft 22, the first-gear driven gear 23 is meshed with the first-gear driving gear 16, the second-gear driven gear 21 is meshed with the second-gear driving gear 13, and a main reduction gear is further arranged between the first-gear driven gear 23 and the second-gear driven gear 21.
The differential mechanism includes a main reduction gear 31 and a differential gear 32.
The main reduction gear 31 is in meshing connection with the main reduction gear and is integrally formed with a housing of the differential 33, and the differential 32 is supported by a fifth bearing 33 and a sixth bearing 34, respectively.
The lubricating mechanism comprises an oil guide ring 11, a first oil guide plate 521, a first gear oil plate 522, an oil passage hole 523, a second oil guide plate 511 and a second gear oil plate 512.
The oil guide ring 11 is sleeved outside the first shaft 10 and is in clearance fit with the first shaft 10, a key groove 111 is arranged on the inner wall of the oil guide ring 11, a shaft key 101 is arranged on the outer wall of the first shaft 10, the shaft key 101 extends into the key groove 111 and can have a predetermined displacement in the key groove 111, a plurality of first oil passages 71 are further arranged on the first shaft 10, the first oil passages 71 penetrate through the first shaft 10 to allow lubricating oil to enter the interior of the first shaft 10 through the first oil passages 71, a plurality of second oil passages 72 are further arranged on the oil guide ring 11, and the second oil passages 72 penetrate through the oil guide ring 11 to allow the lubricating oil to pass through the second oil passages 72.
The plurality of first oil passages 71 are offset by a predetermined angle with respect to the radial direction of the first shaft 10, and the plurality of second oil passages 72 are offset by a predetermined angle with respect to the radial direction of the oil control ring 11. As an example, the plurality of first oil passages 71 and the plurality of second oil passages 72 may have the same offset angle.
A first oil guide plate 521, a first rail plate 522, and an oil passage hole 523 are provided on the first housing 51, the oil passage hole 523 is formed at a position of the first housing 51 between the first shaft 10 and the second shaft 22 and near an upper portion of the first housing 51, and the first oil guide plate 521 is near the oil passage hole 523 and provided at a lower portion of the oil passage hole 523 to guide the lubricating oil from the oil passage hole 523. The first oil deflection plate 522 is disposed at an upper portion of the oil passage hole 523 and is disposed perpendicular to the first oil deflection plate 521, and the first oil deflection plate 521 covers at least a portion of the first and second shaft systems.
A second oil guide plate 511 and a second oil baffle 512 are provided on the second housing 52, the second oil guide plate 511 having a shape similar to that of the first oil guide plate 521 and covering at least a portion of the second shaft system and the differential mechanism, and the second oil baffle 512 is provided on an upper portion of the second oil guide plate 511 and arranged perpendicular to the first oil guide plate 521.
When the first and second housings 51 and 52 are engaged with each other, the first and second oil deflection plates 521 and 511 may be aligned with each other and butted to collectively cover the second shafting, and the first oil deflection plate 521 also covers a portion of the first shafting and the second oil deflection plate 511 also covers a portion of the differential mechanism.
As an example, the first oil deflector 521 may have a recess and flat portions provided at both ends of the recess, and the oil passage hole 523 is provided near the recess, and the first oil deflector 522 is provided above the oil passage hole 523.
The lubricating mechanism may further include a first oil seal 41, a second oil seal 42, and a third oil seal 43, the first oil seal 41 being provided at one end of the first shaft 10 to prevent the lubricating oil from leaking from the oil chamber 524, and the second oil seal 42 and the third oil seal 43 being provided at both ends of the differential mechanism, respectively, to prevent the lubricating oil from leaking from the housing of the differential mechanism.
The operation of the lubricating mechanism of the transmission according to the invention will be described in detail below with reference to fig. 5A to 5B.
The shaft key 101 of the first shaft 10 may have a first limit position (i.e., the position shown with reference to fig. 5A) and a second limit position (i.e., the position shown with reference to fig. 5B) within the key groove 111 of the oil guide ring 11.
When the first shaft 10 is rotated in the first rotational direction 61, the shaft key 101 may be defined at a first defined position within the keyway 111 where a portion of the plurality of first oil passages 71 are aligned with a portion of the plurality of second oil passages 72 to allow lubricating oil to enter or exit the first shaft 10 through the aligned first and second oil passages 71, 72 along the first oil direction 62.
When the first shaft 10 rotates in the second rotation direction 63, the shaft key 101 may be defined within the key slot 111 at a second defined position at which another portion of the plurality of first oil passages 71 is aligned with another portion of the plurality of second oil passages 72 to allow lubricating oil to enter or exit the first shaft 10 through the first and second oil passages 71 and 72 aligned with each other along the second oil guiding direction 64.
Claims (8)
1. A transmission characterized by comprising a first housing (51), a second housing (52), and a first shaft system, a second shaft system, a differential mechanism, and a lubricating mechanism provided between the first housing (51) and the second housing (52),
the first shaft system comprises a first shaft (10), a first gear driving gear (16), a second gear driving gear (13) and a synchronous component,
a first bearing (18) and a second bearing (12) are respectively arranged at two ends of the first shaft (10), a bearing outer ring of the first bearing (18) is fixedly connected to the first shell (51), a bearing inner ring of the first bearing (18) is used for supporting one end of the first shaft (10), a bearing outer ring of the second bearing (12) is fixedly connected to the second shell (52), and a bearing inner ring of the second bearing (12) is used for supporting the other end of the first shaft (10),
a first gear driving gear (16) and a second gear driving gear (13) are rotatably supported on the first shaft (10), respectively, and the synchronizing assembly for selectively engaging one of the first gear driving gear (16) and the second gear driving gear (13) to the first shaft (10) is provided between the first gear driving gear (16) and the second gear driving gear (13),
the second shaft system comprises a second shaft (22), a first-gear driven gear (23) and a second-gear driven gear (21),
a third bearing (24) and a fourth bearing (20) are respectively arranged at two ends of the second shaft (22), a bearing outer ring of the third bearing (24) is fixedly connected to the first housing (51), a bearing inner ring of the third bearing (24) is used for supporting one end of the second shaft (22), a bearing outer ring of the fourth bearing (20) is fixedly connected to the second housing (52), and a bearing inner ring of the fourth bearing (20) is used for supporting the other end of the second shaft (22),
the first-gear driven gear (23) and the second-gear driven gear (21) are respectively fixedly connected to the second shaft (22), the first-gear driven gear (23) is meshed with the first-gear driving gear (16), the second-gear driven gear (21) is meshed with the second-gear driving gear (13), and a main reducing gear is further arranged between the first-gear driven gear (23) and the second-gear driven gear (21);
the differential mechanism comprises a main reducing gear wheel (31) and a differential (32),
the main reduction gearwheel (31) is in meshed connection with the main reduction gearwheel and is formed integrally with a housing of the differential (32), the differential (32) being supported by a fifth bearing (33) and a sixth bearing (34), respectively;
the lubricating mechanism comprises an oil guide ring (11), a first oil guide plate (521), a first oil baffle plate (522), an oil passage hole (523), a second oil guide plate (511) and a second oil baffle plate (512),
the oil guide ring (11) is sleeved outside the first shaft (10) and is in clearance fit with the first shaft (10), a key groove (111) is arranged on the inner wall of the oil guide ring (11), a shaft key (101) is arranged on the outer wall of the first shaft (10), the shaft key (101) extends into the key groove (111) and can have a preset displacement in the key groove (111), a plurality of first oil channels (71) are further arranged on the first shaft (10), the first oil channels (71) penetrate through the first shaft (10) to allow lubricating oil to enter the inside of the first shaft (10) through the first oil channels (71), a plurality of second oil channels (72) are further arranged on the oil guide ring (11), and the second oil channels (72) penetrate through the oil guide ring (11) to allow the lubricating oil to pass through the second oil channels (72).
2. The transmission according to claim 1, characterized in that a first oil guide plate (521), a first rail oil plate (522), and an oil passage hole (523) are provided on the first housing (51), the oil passage hole (523) is formed at a position of the first housing (51) between the first shaft (10) and the second shaft (22) and near an upper portion of the first housing (51), the first oil guide plate (521) is near the oil passage hole (523) and is provided at a lower portion of the oil passage hole (523) to guide the lubricating oil from the oil passage hole (523), the first rail oil plate (522) is provided at an upper portion of the oil passage hole (523) and is arranged perpendicular to the first oil guide plate (521), the first oil guide plate (521) covers at least a portion of the first shafting and the second shafting;
a second oil guide plate (511) and a second-gear oil plate (512) are provided on the second casing (52), the second oil guide plate (511) having substantially the same shape as the first oil guide plate (521) and covering at least a part of the second shaft system and the differential mechanism, the second-gear oil plate (512) being provided on an upper portion of the second oil guide plate (511) and being arranged perpendicularly to the first oil guide plate (521);
the first oil deflector (521) and the second oil deflector (511) collectively cover the second shafting, and cover at least a portion of the first shafting and the differential mechanism.
3. The transmission of claim 2, further comprising a gear ring (17) disposed between the first drive gear (16) and the first bearing (18) to limit axial movement of the first drive gear (16).
4. Transmission according to claim 2, characterized in that said synchronization assembly comprises a shifting hub (14) and a shifting sleeve (15), said shifting hub (14) being fixedly engaged to said first shaft (10), said shifting sleeve (15) sliding with respect to said shifting hub (14).
5. The transmission according to claim 2, wherein the lubricating mechanism further includes a first oil seal (41), a second oil seal (42), and a third oil seal (43), the first oil seal (41) being provided at one end of the first shaft (10) to prevent the lubricating oil from leaking from the oil reservoir (524), the second oil seal (42) and the third oil seal (43) being provided at both ends of the differential mechanism, respectively, to prevent the lubricating oil from leaking from the housing of the differential mechanism.
6. The transmission according to claim 2, wherein the first oil guide plate (521) has a recess and flat portions provided at both ends of the recess, and the oil passage hole (523) is provided near the recess.
7. The transmission according to any one of claims 2 to 6, characterized in that the plurality of first oil passages (71) are offset by a predetermined angle with respect to a radial direction of the first shaft (10), and the plurality of second oil passages (72) are offset by a predetermined angle with respect to a radial direction of the oil guide ring (11).
8. The transmission of claim 7, wherein a portion of the plurality of first oil passages (71) are aligned with a portion of the plurality of second oil passages (72) to allow lubricating oil to enter or exit the first shaft (10) through the aligned first and second oil passages (71, 72) along a first oil guiding direction when the shaft key (101) is in a first defined position within the keyway (111);
when the shaft key (101) is in a second defined position within the keyway (111), another portion of the plurality of first oil passages (71) is aligned with another portion of the plurality of second oil passages (72) to allow lubricating oil to enter or exit the first shaft (10) through the aligned first and second oil passages (71, 72) along a second oil guiding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663748.XA CN113339475B (en) | 2021-06-16 | 2021-06-16 | Speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663748.XA CN113339475B (en) | 2021-06-16 | 2021-06-16 | Speed variator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113339475A CN113339475A (en) | 2021-09-03 |
| CN113339475B true CN113339475B (en) | 2022-12-09 |
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ID=77477273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110663748.XA Active CN113339475B (en) | 2021-06-16 | 2021-06-16 | Speed variator |
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| Country | Link |
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| CN (1) | CN113339475B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202612582U (en) * | 2012-06-25 | 2012-12-19 | 中国重汽集团济南动力有限公司 | Lubrication structure of transmission gear |
| JP2017082838A (en) * | 2015-10-23 | 2017-05-18 | 本田技研工業株式会社 | Power transmission device |
| CN110065374A (en) * | 2019-04-25 | 2019-07-30 | 陕西法士特齿轮有限责任公司 | A kind of integrated two grades of electric drive systems |
| CN210034367U (en) * | 2019-04-29 | 2020-02-07 | 比亚迪股份有限公司 | Gearbox lubricating structure and speed changer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007170491A (en) * | 2005-12-20 | 2007-07-05 | Aisin Ai Co Ltd | Lubricating mechanism of transmission |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202612582U (en) * | 2012-06-25 | 2012-12-19 | 中国重汽集团济南动力有限公司 | Lubrication structure of transmission gear |
| JP2017082838A (en) * | 2015-10-23 | 2017-05-18 | 本田技研工業株式会社 | Power transmission device |
| CN110065374A (en) * | 2019-04-25 | 2019-07-30 | 陕西法士特齿轮有限责任公司 | A kind of integrated two grades of electric drive systems |
| CN210034367U (en) * | 2019-04-29 | 2020-02-07 | 比亚迪股份有限公司 | Gearbox lubricating structure and speed changer |
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| CN113339475A (en) | 2021-09-03 |
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