CN109185439A - A kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type - Google Patents
A kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type Download PDFInfo
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- CN109185439A CN109185439A CN201811280767.9A CN201811280767A CN109185439A CN 109185439 A CN109185439 A CN 109185439A CN 201811280767 A CN201811280767 A CN 201811280767A CN 109185439 A CN109185439 A CN 109185439A
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- Prior art keywords
- oilgear
- cabinet
- oil
- oil sump
- guide groove
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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
- 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
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0452—Oil pans
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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
- F16H57/0457—Splash lubrication
-
- 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
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
A kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type, are related to system of vehicle transmission mechanical lubrication field；Including cabinet and case lid；Cabinet docks to form airtight cavity with the open end of case lid；Box house is provided with the first oil sump, the second oil sump and cabinet oil guide groove；The middle position of the first intermediate throughholes with the first output through-hole is arranged in first oil sump；The top position of the first intermediate throughholes is arranged in second oil sump；The setting of cabinet oil guide groove inputs via top position first；Case lid is internally provided with third oil sump and case lid oil guide groove；Third oil sump and case lid oil guide groove are arranged in the top inner wall of case lid；Wherein, the surface of the second output through-hole is arranged in third oil sump；The top of the second input through-hole is arranged in case lid oil guide groove；The present invention effectively improves splashing lubrication flow, meets the lubrication needs of each axle bearing when gearbox continuous running.
Description
Technical field
The present invention relates to a kind of system of vehicle transmission mechanical lubrication field, especially a kind of two grades of gearboxes of electric car fixed shaft type
Splash-lubricating system.
Background technique
Gearbox is the critical component of transmission system of electric automobile.For cost and system complexity consideration is reduced, at present
Electric car is widely used axis and drives structure, i.e., each drive axle assembles a motor, and driving force is input to arrangement by motor
In the gearbox in drive axle middle section, gearbox each side has an output end, outputs power to left and right by semiaxis
Wheel.Gearbox plays the key effect of transmission, deceleration, speed change and two sides wheel differential.
Since motor has wide permanent torque revolving speed section, electric automobile gear-box shows few gear feature, mesh
Preceding two grades of gearboxes are widely used in, on Large Electric automobile, and two grades of gearboxes of fixed shaft type have structure it is simple, can
The advantage good by property and production inheritance, is more universal structure type.
Relevant calculation analysis shows, can be on two grades of gearboxes of electric car fixed shaft type within rated power 100kW
Using gear splashing lubricating system, to omit lubricating pump, Fa Deng mechanism, be more in line with electric car transmission parts it is integrated,
Miniaturization and light-weighted requirement.
In the design of conventional splash-lubricating system, gearbox gear stirs oil liquid in rotation, oil liquid be accumulated in the flank of tooth and
It in bottom clearance, sideshake space, and is moved by rotation gear band, is lubricated since centrifugal action is splashed on box house part.?
In this lubricating system, after oil liquid splashing in gravity under piece surface stream, splashing oil thus can not be effectively planned
The flow direction of liquid, it cannot be guaranteed that being lubricated to parts such as bearing, the differential mechanisms for needing sufficient lubrication.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of two grades of speed changes of electric car fixed shaft type are provided
Case splash-lubricating system effectively improves splashing lubrication flow, meets the lubrication need of each axle bearing when gearbox continuous running
It asks.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type, including cabinet and case lid；Cabinet and case lid are equal
For the hollow half shell structure placed vertically；And cabinet docks to form airtight cavity with the open end of case lid；Cavity bottom is equipped with
External lubrication liquid；The first input through-hole, the first intermediate throughholes and the first output through-hole are provided on cabinet；Wherein, among first
The middle part of cabinet is arranged in through-hole；First input through-hole is horizontally set on the side of the first intermediate throughholes；First output through-hole water
The flat other side that first intermediate throughholes are set；Wherein, the first intermediate throughholes correspond to and stir oilgear among external and dock；First
Input through-hole correspondence is stirred oilgear with external input and is docked；First output through-hole correspondence is stirred oilgear with outside output and is docked；Outside
Oilgear is stirred in portion's input and external centre stirs oilgear and engages docking；It is external intermediate to stir oilgear and external export is stirred oilgear and nibbled
Close docking.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, the box house is provided with
First oil sump, the second oil sump and cabinet oil guide groove；First oil sump, the second oil sump and cabinet oil guide groove are arranged at case
In the top inner wall of body；The middle position of the first intermediate throughholes with the first output through-hole is arranged in first oil sump；Second oil-collecting
The top position of the first intermediate throughholes is arranged in pond；The setting of cabinet oil guide groove inputs via top position first.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, first oil sump and first
Angle is 40 ° -60 ° along the vertical direction in intermediate throughholes axle center；Second oil sump presss from both sides along the vertical direction with the first intermediate throughholes axle center
Angle is 8 ° -15 °；Angle is 45 ° -60 ° to cabinet oil guide groove along the vertical direction with the first input through-hole axle center.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, case lid position corresponding with cabinet
It installs and is equipped with the second input through-hole, the second intermediate throughholes and the second output through-hole；Wherein, in the second intermediate throughholes correspondence and outside
Between stir oilgear docking；Second input through-hole correspondence is stirred oilgear with external input and is docked；Second output through-hole is corresponding and external
Oilgear docking is stirred in output；External input stirs oilgear and external centre stirs oilgear and engages docking；Oilgear is stirred among external
Oilgear, which is stirred, with outside output engages docking.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, the case lid is internally provided with
Third oil sump and case lid oil guide groove；Third oil sump and case lid oil guide groove are arranged in the top inner wall of case lid；Wherein,
The surface of the second output through-hole is arranged in three oil sumps；The top of the second input through-hole is arranged in case lid oil guide groove.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, the case lid oil guide groove and cabinet
Oil Guide groove location is correspondingly arranged；When cabinet and case lid dock to form airtight cavity, case lid oil guide groove is docked with cabinet oil guide groove
Form herringbone entirety oil guide groove；Herringbone entirety oil guide groove is directed toward two by cabinet and case lid docking location and is sloped downwardly；Incline
Rake angle is 5 ° -10 °.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, the profit of the splash-lubricating system
Slip over journey are as follows:
External input is stirred oilgear and is immersed in external lubrication liquid；External input is stirred oilgear and is revolved clockwise relative to cabinet
Turn, drive it is external intermediate stir oilgear and rotate counterclockwise, drive external output to stir oilgear and rotate clockwise；Case lid oil guide groove with
The herringbone entirety oil guide groove that cabinet oil guide groove is formed realizes that the lubricating fluid for stirring oilgear sputtering to external input is collected；The
One oil sump and the second oil sump, which are realized, is collected the lubricating fluid that oilgear sputtering is stirred among outside；Third oil sump is realized
The lubricating fluid for stirring oilgear sputtering to external output is collected.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, the case lid oil guide groove and cabinet
The two sides for the herringbone entirety oil guide groove that oil guide groove is formed are provided with oil guide pipe；What herringbone entirety oil guide groove was collected in realization
Lubricating fluid imports external input and stirs realization lubrication at the bearing of oilgear；The bottom of first oil sump and the second oil sump is provided with
Oil guide pipe realizes that the lubricating fluid for collecting the first oil sump and the second oil sump is imported among outside at the bearing for stirring oilgear
Realize lubrication；The bottom of third oil sump is provided with oil guide pipe, realizes the lubricating fluid that third oil sump is collected importeding into outside
Output, which is stirred, realizes lubrication at the bearing of oilgear.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, first oil sump, second
Oil sump and third oil sump are spoon-shaped structure；The oil sump includes wall, bottom plate, retaining wall and side wall；Wherein, wall is
The plate structure placed vertically；The top of wall is fixedly connected with the top inner wall of cabinet or case lid；One end of plate upper surface
It is fixedly connected with the bottom end of wall；Retaining wall is fixed on the opposite side of plate upper surface vertically；Side wall be fixedly mounted on wall with
Between retaining wall；And bottom panel side is shut in side wall realization.
In a kind of above-mentioned two grades of gearbox splash-lubricating systems of electric car fixed shaft type, the base plate inclination upwards with
Wall is fixedly connected；Bottom plate and horizontal direction angle are 5 ° -10 °.
The invention has the following advantages over the prior art:
(1) present invention employs oil guide groove, oil sump, oil baffle, oil duct design is increased on cabinet and case lid, effectively
Splashing oil liquid is collected and the flow direction for collecting lubricating oil is effectively planned, is realized to each bearing in two gear casees
Lubrication；
(2) present invention uses " herringbone " Oil Guide groove structure design, realizes and leads the oil liquid for stirring oilgear splashing respectively
To two side bearing of cabinet, solve due to stir oilgear be offset to cabinet side and can not be to the farther away axis of distance on axial direction
Hold the problem being lubricated；
(3) it present invention employs tendon shape protrusion is cast out on cabinet, case lid part outer wall surface, is bored in tendon shape lobed interior
The method that drilling forms oil leab on oil duct is got in hole, realizes the lightweight of the integrated and cabinet of lubricating system；
(4) present invention employs the arrangement forms in the circumferential directions oil sump for stirring oilgear, and shorten and be located at oil
Oil sump in front of liquid splashing path avoids oil sump in front of oil liquid splashing path to being located behind along Gear axis direction length
Oil sump generation block；
(5) present invention employs spoon shape structure oil sump, oil sump bottom plate is improved to the inclination of lubricating pipe Way in
The flowing velocity of splashing lubricating oil, increases lubrication flow.
Detailed description of the invention
Fig. 1 is splash-lubricating system top view of the present invention；
Fig. 2 is box inner structure schematic diagram of the present invention；
Fig. 3 is case lid schematic diagram of internal structure of the present invention；
Fig. 4 is the present inventor's font entirety oil guide groove schematic diagram；
Fig. 5 is oil sump schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
The present invention is directed to the two halves formula branch mailbox design feature of three axis, two grades of stabilized shaft gearboxes, by cabinet, case lid part
The structures such as oil sump, oil guide groove, oil duct pipeline are set on wall surface, and gear splashing oil liquid can effectively be collected and incite somebody to action by designing one kind
The integrated lubrication system at its guide bearing position, to meet the lubrication needs of the parts such as gearbox bearing.
It is as shown in Figure 1 splash-lubricating system top view, as seen from the figure, a kind of two grades of gearboxes of electric car fixed shaft type are winged
Splash lubricating system, including cabinet 2 and case lid 1；Cabinet 2 and case lid 1 are the hollow half shell structure placed vertically；And cabinet 2
It docks to form airtight cavity with the open end of case lid 1；Cavity bottom is equipped with external lubrication liquid；
It is illustrated in figure 2 box inner structure schematic diagram, as seen from the figure, the first input through-hole 21, are provided on cabinet 2
One intermediate throughholes 22 and the first output through-hole 23；Wherein, the middle part of cabinet 2 is arranged in the first intermediate throughholes 22；First input is logical
Hole 21 is horizontally set on the side of the first intermediate throughholes 22；First output through-hole 23 is horizontally set on the another of the first intermediate throughholes 22
Side；Wherein, the first intermediate throughholes 22 correspond to and stir oilgear among external and dock；The first input correspondence of through-hole 21 is defeated with outside
Enter to stir oilgear docking；First output through-hole 23 correspondence is stirred oilgear with outside output and is docked；External input stirs oilgear and outer
Oilgear engagement docking is stirred among portion；The external intermediate oilgear that stirs stirs oilgear and engages docking with external export.
Cabinet 2 is internally provided with the first oil sump 24, the second oil sump 25 and cabinet oil guide groove 26；First oil sump 24,
Second oil sump 25 and cabinet oil guide groove 26 are arranged in the top inner wall of cabinet 2；First oil sump 24 is arranged in first
Between through-hole 22 and first output through-hole 23 middle position；The top position of the first intermediate throughholes 22 is arranged in second oil sump 25
It sets；The setting of cabinet oil guide groove 26 inputs 21 top position of through-hole first.22 axle center of first oil sump 24 and the first intermediate throughholes
Angle is 40 ° -60 ° along the vertical direction；Second oil sump 25 and 22 axle center of the first intermediate throughholes along the vertical direction angle be 8 °-
15°；Angle is 45 ° -60 ° along the vertical direction for cabinet oil guide groove 26 and the first input 21 axle center of through-hole.
It is illustrated in figure 3 case lid schematic diagram of internal structure, as seen from the figure, case lid 1 and 2 corresponding position of cabinet are provided with second
Input through-hole 11, the second intermediate throughholes 12 and the second output through-hole 13；Wherein, it is stirred among the second intermediate throughholes 12 correspondence and outside
Oilgear docking；The second input correspondence of through-hole 11 is stirred oilgear with external input and is docked；Second output through-hole 13 is corresponding and external
Oilgear docking is stirred in output；External input stirs oilgear and external centre stirs oilgear and engages docking；Oilgear is stirred among external
Oilgear, which is stirred, with outside output engages docking.
Case lid 1 is internally provided with third oil sump 14 and case lid oil guide groove 15；Third oil sump 14 and case lid oil guide groove 15
It is arranged in the top inner wall of case lid 1；Wherein, the surface of the second output through-hole 13 is arranged in third oil sump 14；Case lid
The top of the second input through-hole 11 is arranged in oil guide groove 15.
It is illustrated in figure 4 herringbone entirety oil guide groove schematic diagram, as seen from the figure, case lid oil guide groove 15 and cabinet oil guide groove 26
Position is correspondingly arranged；When cabinet 2 and the docking of case lid 1 form airtight cavity, case lid oil guide groove 15 is docked with cabinet oil guide groove 26
Form herringbone entirety oil guide groove；Herringbone entirety oil guide groove is directed toward two by cabinet 2 and 1 docking location of case lid and is sloped downwardly；
Tilt angle is 5 ° -10 °.Herringbone entirety oil guide groove, which is realized, is divided into two-way for the oil liquid that external input stirs oilgear splashing,
It is individually directed input and stirs two side bearing of oilgear.And since " herringbone " frid is respectively to tilting 5 ° -10 ° at two side bearings,
Slot inner fluid flowing velocity is improved, lubrication flow is increased.
The greasing of splash-lubricating system are as follows:
External input is stirred oilgear and is immersed in external lubrication liquid；External input is stirred oilgear and is revolved clockwise relative to cabinet 2
Turn, drive it is external intermediate stir oilgear and rotate counterclockwise, drive external output to stir oilgear and rotate clockwise；Gear teeth face attachment
Lubricating oil due to centrifugal action along the tangential splashing of direction of rotation, in the case where wall 31 stops and bottom plate 32 is oriented to, big portion
Oil liquid is divided to splash to the oil sump and attachment tank wall that gear circumferential direction is arranged in, oil sump can collect splashing and enter or along tank wall stream
The oil liquid entered；Oil guide pipe is provided with oil-collecting bottom of pond portion, and leads to the bearing that need to be lubricated, and can guide the oil liquid that oil sump is collected into axis
It holds；Meanwhile this lubricating system is also biased and stirs near oilgear and be arranged apart from the farther away external input of bearing stirring oilgear
To two side bearing directions inclined " herringbone " oil guide grooves,
The herringbone entirety oil guide groove realization that case lid oil guide groove 15 and cabinet oil guide groove 26 are formed stirs oily tooth to external input
The lubricating fluid of wheel sputtering is collected；First oil sump 24 and the second oil sump 25 are realized to stirring oilgear sputtering among outside
Lubricating fluid is collected；Third oil sump 14 realizes that the lubricating fluid for stirring oilgear sputtering to external output is collected.
And the two sides of case lid oil guide groove 15 and the herringbone entirety oil guide groove of the formation of cabinet oil guide groove 26 are provided with Oil Guide
Pipe；Realize that the lubricating fluid that herringbone entirety oil guide groove is collected, which is imported external input, stirs realization lubrication at the bearing of oilgear；The
The bottom of one oil sump 24 and the second oil sump 25 is provided with oil guide pipe, and the first oil sump 24 and the second oil sump 25 are received in realization
The lubricating fluid of collection, which is imported among outside at the bearing for stirring oilgear, realizes lubrication；The bottom of third oil sump 14 is provided with Oil Guide
It manages, realizes that the lubricating fluid that third oil sump 14 is collected, which is imported into external output, stirs realization lubrication at the bearing of oilgear.Oil-collecting
Bottom of pond plate 32 is tilted to oil guide pipe Way in, to accelerate oil liquid to flow, increases lubrication flow.Siding of the oil sump close to gear
It is designed to the circular arc concentric with gear, and the gap between bottom plate 32 and gear teeth tip circle is 5~8mm；Bottom plate 32 is close to gear
The outer circle segmental arc of outside circle uses milling mechanical processing technique after casting, to avoid 32 hypertrophy of wall bottom plate and gear tooth interference.
It is illustrated in figure 5 oil sump schematic diagram, as seen from the figure, the first oil sump 24, the second oil sump 25 and third oil-collecting
Pond 14 is spoon-shaped structure；The oil sump includes wall 31, bottom plate 32, retaining wall 33 and sidewall 34；Wherein, wall 31 is vertical
The plate structure of placement；The top of wall 31 is fixedly connected with the top inner wall of cabinet 2 or case lid 1；The one of 32 upper surface of bottom plate
End is fixedly connected with the bottom end of wall 31；Retaining wall 33 is fixed on the opposite side of 32 upper surface of bottom plate vertically；The fixed peace of sidewall 34
Between wall 31 and retaining wall 33；And 32 side of bottom plate is shut in sidewall 34 realization.32 inclination angle of bottom plate is upwards and wall
31 are fixedly connected；Bottom plate 32 and horizontal direction angle are 5 ° -10 °.Oil sump, which is arranged in, to be stirred the circumferencial direction of oilgear, is higher than need
Lubricate the position of bearing roller.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (10)
1. a kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type, it is characterised in that: including cabinet (2) and case lid
(1)；Cabinet (2) and case lid (1) are the hollow half shell structure placed vertically；And the open end pair of cabinet (2) and case lid (1)
It connects to form airtight cavity；Cavity bottom is equipped with external lubrication liquid；The first input through-hole (21) is provided on cabinet (2), in first
Between through-hole (22) and first output through-hole (23)；Wherein, middle part of the first intermediate throughholes (22) setting in cabinet (2)；First is defeated
Enter the side that through-hole (21) is horizontally set on the first intermediate throughholes (22)；First output through-hole (23) is horizontally set among first
The other side of through-hole (22)；Wherein, the first intermediate throughholes (22) correspond to and stir oilgear among external and dock；First input through-hole
(21) correspondence is stirred oilgear with external input and is docked；First output through-hole (23) correspondence is stirred oilgear with outside output and is docked；Outside
Oilgear is stirred in portion's input and external centre stirs oilgear and engages docking；It is external intermediate to stir oilgear and external export is stirred oilgear and nibbled
Close docking.
2. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 1, it is characterised in that:
The cabinet (2) is internally provided with the first oil sump (24), the second oil sump (25) and cabinet oil guide groove (26)；First oil-collecting
Pond (24), the second oil sump (25) and cabinet oil guide groove (26) are arranged in the top inner wall of cabinet (2)；First oil sump
(24) middle position in the first intermediate throughholes (22) and the first output through-hole (23) is set；Second oil sump (25) setting is the
The top position of one intermediate throughholes (22)；Cabinet oil guide groove (26) setting inputs through-hole (21) top position first.
3. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 2, it is characterised in that:
Angle is 40 ° -60 ° to first oil sump (24) along the vertical direction with the first intermediate throughholes (22) axle center；Second oil sump
(25) angle is 8 ° -15 ° along the vertical direction with the first intermediate throughholes (22) axle center；Cabinet oil guide groove (26) and the first input through-hole
(21) angle is 45 ° -60 ° along the vertical direction in axle center.
4. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 3, it is characterised in that:
The case lid (1) and cabinet (2) corresponding position are provided with the second input through-hole (11), the second intermediate throughholes (12) and the second output
Through-hole (13)；Wherein, the second intermediate throughholes (12) correspond to and stir oilgear among external and dock；Second input through-hole (11) is corresponding
Oilgear is stirred with external input to dock；Second output through-hole (13) correspondence is stirred oilgear with outside output and is docked；External input is stirred
Oilgear, which is stirred, among oilgear and outside engages docking；The external intermediate oilgear that stirs stirs oilgear and engages docking with external export.
5. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 4, it is characterised in that:
The case lid (1) is internally provided with third oil sump (14) and case lid oil guide groove (15)；Third oil sump (14) and case lid are led
Oil groove (15) is arranged in the top inner wall of case lid (1)；Wherein, third oil sump (14) setting exports through-hole (13) second
Surface；Case lid oil guide groove (15) setting is in the top of the second input through-hole (11).
6. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 5, it is characterised in that:
The case lid oil guide groove (15) is correspondingly arranged with cabinet oil guide groove (26) position；When cabinet (2) and case lid (1) docking formed it is closed
When cavity, case lid oil guide groove (15) docks to form herringbone entirety oil guide groove with cabinet oil guide groove (26)；Herringbone entirety Oil Guide
Slot is directed toward two by cabinet (2) and case lid (1) docking location and is sloped downwardly；Tilt angle is 5 ° -10 °.
7. a kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type described in one of -6 according to claim 1, special
Sign is: the greasing of the splash-lubricating system are as follows:
External input is stirred oilgear and is immersed in external lubrication liquid；External input is stirred oilgear and is rotated clockwise relative to cabinet (2),
Drive it is external intermediate stir oilgear and rotate counterclockwise, drive external output to stir oilgear and rotate clockwise；Case lid oil guide groove (15)
Realize that the lubricating fluid for stirring oilgear sputtering to external input carries out with the herringbone entirety oil guide groove that cabinet oil guide groove (26) are formed
It collects；First oil sump (24) and the second oil sump (25), which are realized, receives the lubricating fluid that oilgear sputtering is stirred among outside
Collection；Third oil sump (14) realizes that the lubricating fluid for stirring oilgear sputtering to external output is collected.
8. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 7, it is characterised in that:
The two sides for the herringbone entirety oil guide groove that the case lid oil guide groove (15) and cabinet oil guide groove (26) are formed are provided with oil guide pipe；
Realize that the lubricating fluid that herringbone entirety oil guide groove is collected, which is imported external input, stirs realization lubrication at the bearing of oilgear；First collection
The bottom of oil sump (24) and the second oil sump (25) is provided with oil guide pipe, realizes the first oil sump (24) and the second oil sump
(25) lubricating fluid collected, which is imported among outside at the bearing for stirring oilgear, realizes lubrication；The bottom of third oil sump (14) is set
It is equipped with oil guide pipe, realizes that the lubricating fluid that third oil sump (14) are collected, which is imported into external output, stirs realization at the bearing of oilgear
Lubrication.
9. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 8, it is characterised in that:
First oil sump (24), the second oil sump (25) and third oil sump (14) are spoon-shaped structure；The oil sump includes
Wall (31), bottom plate (32), retaining wall (33) and side wall (34)；Wherein, wall (31) is the plate structure placed vertically；Wall
(31) top is fixedly connected with the top inner wall of cabinet (2) or case lid (1)；One end and wall (31) of bottom plate (32) upper surface
Bottom end be fixedly connected；Retaining wall (33) is fixed on the opposite side of bottom plate (32) upper surface vertically；Side wall (34) is fixedly mounted on
Between wall (31) and retaining wall (33)；And bottom plate (32) side is shut in side wall (34) realization.
10. two grades of gearbox splash-lubricating systems of a kind of electric car fixed shaft type according to claim 9, feature exist
In: bottom plate (32) inclination angle is fixedly connected with wall (31) upwards；Bottom plate (32) and horizontal direction angle are 5 ° -10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280767.9A CN109185439B (en) | 2018-10-30 | 2018-10-30 | Electric automobile fixed shaft type two-gear gearbox splash lubrication system |
Applications Claiming Priority (1)
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| CN201811280767.9A CN109185439B (en) | 2018-10-30 | 2018-10-30 | Electric automobile fixed shaft type two-gear gearbox splash lubrication system |
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| CN109185439B CN109185439B (en) | 2021-02-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135654A (en) * | 2021-11-25 | 2022-03-04 | 智新科技股份有限公司 | Lubricating oil directional distribution device and speed reducer |
| CN114321342A (en) * | 2021-11-30 | 2022-04-12 | 江苏汇智高端工程机械创新中心有限公司 | Drive axle lubricating structure |
| CN114370494A (en) * | 2022-01-17 | 2022-04-19 | 上海电气集团股份有限公司 | Automobile reduction gearbox and automobile |
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| CN114135654A (en) * | 2021-11-25 | 2022-03-04 | 智新科技股份有限公司 | Lubricating oil directional distribution device and speed reducer |
| CN114321342A (en) * | 2021-11-30 | 2022-04-12 | 江苏汇智高端工程机械创新中心有限公司 | Drive axle lubricating structure |
| CN114321342B (en) * | 2021-11-30 | 2023-12-05 | 江苏汇智高端工程机械创新中心有限公司 | Driving axle lubricating structure |
| CN114370494A (en) * | 2022-01-17 | 2022-04-19 | 上海电气集团股份有限公司 | Automobile reduction gearbox and automobile |
| CN114370494B (en) * | 2022-01-17 | 2024-05-31 | 上海电气集团股份有限公司 | Automobile reduction gearbox and automobile |
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|---|---|
| CN109185439B (en) | 2021-02-09 |
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