CN113251133A - Oil baffle plate for realizing unequal-height oil level and gearbox - Google Patents
Oil baffle plate for realizing unequal-height oil level and gearbox Download PDFInfo
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- CN113251133A CN113251133A CN202110604855.5A CN202110604855A CN113251133A CN 113251133 A CN113251133 A CN 113251133A CN 202110604855 A CN202110604855 A CN 202110604855A CN 113251133 A CN113251133 A CN 113251133A
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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
- F16H57/04—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The application discloses an oil baffle plate for realizing unequal-height oil levels, which relates to the technical field of automobile transmission, the oil baffle plate is arranged adjacent to a middle shaft assembly, a first large gear, a second large gear and a control gear are fixedly sleeved on the middle shaft assembly, the oil baffle plate is an arc-shaped shell, and the arc-shaped shell is divided into a step-shaped small-diameter shell and a step-shaped large-diameter shell; the small-diameter shell is wrapped on the outer side of the control gear, and the large-diameter shell is wrapped on the outer sides of the first large gear and the second large gear; when the intermediate shaft assembly rotates and the inward oil inlet speed of the oil baffle plate is equal to the outward oil throwing speed of the first gearwheel and the second gearwheel; the oil surface thickness of the inner wall of the large-diameter shell reaches the main set thickness. The application also discloses a gearbox containing the oil baffle plate. The oil baffle and the gearbox realize different oil level heights of the large-diameter gear and the small-diameter gear by the oil baffle, and solve the problem of large oil stirring loss of the large-diameter gear.
Description
Technical Field
The application relates to the technical field of automobile transmission, in particular to an oil baffle plate and a gearbox for realizing unequal-height oil level.
Background
At present, a plurality of pairs of gear transmissions are arranged inside an existing gearbox, the plurality of pairs of gear transmissions are arranged along a middle shaft of the gearbox, and because the gear transmissions need to be meshed for movement, lubricating oil needs to be added to lubricate a gear mechanism in order to prevent gears from being seriously worn, so that each pair of meshed gears can be lubricated by the lubricating oil.
In the related art, a plurality of pairs of gears are coaxially arranged on an intermediate shaft at intervals, and the plurality of pairs of gears have sizes, so that lubricating oil needs to infiltrate not only gears with large diameters but also gears with small diameters in order to achieve a good lubricating effect.
However, when the lubricating oil infiltrates into the gear having the smallest diameter, the depth of penetration of the gear having the large diameter below the oil surface is large; in the running process of the gearbox, the gear rotates, and the large-diameter gear invades into the oil surface deeply, so that the gear oil stirring loss is large, and the transmission efficiency is reduced.
Disclosure of Invention
To the defect that exists among the prior art, the aim at of this application provides a keep off oiled-plate and gearbox for realizing high oil level not, realizes the invasion oil level height difference of major diameter gear and minor diameter gear with the keep off oiled-plate, solves the big problem of major diameter gear churning loss.
In order to achieve the above purposes, the technical scheme is as follows: an oil baffle plate for realizing unequal-height oil level is arranged adjacent to a middle shaft assembly, a first gearwheel, a second gearwheel and a control gear are fixedly sleeved on the middle shaft assembly,
the oil baffle plate is an arc-shaped shell, and the arc-shaped shell is divided into a step-shaped small-diameter shell and a step-shaped large-diameter shell; the small-diameter shell is wrapped on the outer side of the control gear, and the large-diameter shell is wrapped on the outer sides of the first large gear and the second large gear;
when the intermediate shaft assembly rotates and the inward oil inlet speed of the oil baffle plate is equal to the outward oil throwing speed of the first gearwheel and the second gearwheel; and the oil surface thickness of the inner wall of the large-diameter shell reaches the main set thickness.
On the basis of the technical scheme, the oil baffle plate also comprises a partition plate, the partition plate divides the large-diameter shell into two cavities, and the two cavities respectively accommodate a first gearwheel and a second gearwheel;
when the intermediate shaft assembly rotates and oil inlet and outlet of the cavity corresponding to the first gearwheel and oil inlet and outlet of the cavity corresponding to the second gearwheel reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel reaches a first set thickness; and the thickness of the oil surface of the cavity corresponding to the second gearwheel reaches a second set thickness.
On the basis of the technical scheme, the oil baffle plate is further provided with a first oil penetration hole and a second oil penetration hole, and the first oil penetration hole is formed in the bottom of the first large gear corresponding to the large-diameter shell; the second oil seepage hole is formed in the bottom of the second large gear corresponding to the large-diameter shell;
after the first oil penetration hole and the second oil penetration hole are added, the intermediate shaft assembly rotates, and oil inlet and outlet of a cavity corresponding to the first gearwheel and oil inlet and outlet of a cavity corresponding to the second gearwheel reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel reaches a third set thickness; and the thickness of the oil surface of the cavity corresponding to the second gearwheel reaches a fourth set thickness.
On the basis of the technical scheme, the side end face of the oil baffle, which is adjacent to the first gearwheel, is provided with a flanging positioning structure, the flanging positioning structure is parallel to the partition plate, and the flanging positioning structure comprises a plurality of positioning holes for positioning the side end face.
On the basis of the technical scheme, when the intermediate shaft assembly reaches the maximum rotating speed and the oil inlet speed of the oil baffle plate inwards is equal to the outward oil throwing speed of the first gearwheel and the second gearwheel, the immersion thickness of the first gearwheel and the immersion thickness of the second gearwheel are both H;
when the intermediate shaft assembly reaches the minimum rotating speed and the oil inlet speed of the oil baffle plate inwards is equal to the oil throwing speed of the first large gear and the second large gear outwards, the immersion thickness of the first large gear and the immersion thickness of the second large gear are both smaller than half of the tooth height of the first large gear and the second large gear.
The application discloses a gearbox comprising the oil baffle for realizing unequal-height oil levels, which comprises a front shell and a middle shell, wherein the oil baffle is fixed on the inner wall of the middle shell through a supporting structure and is coaxially arranged with the axis of a middle shaft assembly, and the top end surface of the oil baffle is horizontally arranged; the oil level of the gearbox is lower than the top end surface of the oil baffle plate and higher than the lowest point of the small-diameter shell of the oil baffle plate;
the front shell is tightly fixed with the middle shell, and the front shell is tightly attached to the side end face of the oil baffle.
On the basis of the technical scheme, the supporting structure comprises a plug board, a vertical board, a plug pin column and a supporting ring buckle, wherein the bottom end face of the vertical board is vertically fixed on the plug board, and the plug pin column extending outwards is fixedly arranged on the top end face of the vertical board; the supporting ring buckle is fixedly arranged on the outer wall of the oil baffle plate;
the inner wall of mesochite sets up the jack, the picture peg inserts in the jack, the plug pin post inserts in the support latch.
On the basis of the technical scheme, the oil baffle plate also comprises a partition plate, the partition plate divides the large-diameter shell into two cavities, and the two cavities respectively accommodate a first gearwheel and a second gearwheel;
when the intermediate shaft assembly rotates and oil inlet and outlet of the cavity corresponding to the first gearwheel and oil inlet and outlet of the cavity corresponding to the second gearwheel reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel reaches a first set thickness; and the thickness of the oil surface of the cavity corresponding to the second gearwheel reaches a second set thickness.
On the basis of the technical scheme, the oil baffle plate is further provided with a first oil penetration hole and a second oil penetration hole, and the first oil penetration hole is formed in the bottom of the first large gear corresponding to the large-diameter shell; the second oil seepage hole is formed in the bottom of the second large gear corresponding to the large-diameter shell;
after the first oil penetration hole and the second oil penetration hole are added, the intermediate shaft assembly rotates, and oil inlet and outlet of a cavity corresponding to the first gearwheel and oil inlet and outlet of a cavity corresponding to the second gearwheel reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel reaches a third set thickness; and the thickness of the oil surface of the cavity corresponding to the second gearwheel reaches a fourth set thickness.
On the basis of the technical scheme, a flanging positioning structure is arranged on the side end face of the oil baffle plate, which is adjacent to the first gearwheel, is parallel to the partition plate, and comprises a plurality of positioning holes for positioning the side end face; the positioning hole is fixed on the side end face of the middle shell through a bolt;
the front shell side end face is provided with a sealing molded face, and when the front shell is connected with the middle shell, the flanging positioning structure is tightly attached to the sealing molded face.
The beneficial effect that technical scheme that this application provided brought includes:
1. the oil baffle plate is an arc-shaped shell, the arc-shaped shell is divided into a small-diameter shell and a large-diameter shell, the small-diameter shell is wrapped on the outer side of the control gear, and the large-diameter shell is wrapped on the outer sides of the first large gear and the second large gear;
when the intermediate shaft assembly rotates, the inward oil inlet speed of the oil baffle plate is equal to the outward oil throwing speed of the first gearwheel and the second gearwheel, and the oil surface thickness of the inner wall of the large-diameter shell reaches the main set thickness; the utility model provides an oil baffle installs inside the gearbox, has separated the oil level of lubricating oil for the inside lubricating oil of gearbox has realized the oil level of unequal height, when guaranteeing control gear and all the other pinion lubrication, the invasion oil level of first gear wheel and second gear wheel can not be too dark, reduces the oil stirring loss of major diameter gear, improves the transmission efficiency of gearbox.
2. The gearbox comprises a front shell, a middle shell and an oil baffle plate, wherein the oil baffle plate is fixed on the inner wall of the middle shell through a supporting structure and is coaxially arranged with the axis of a middle shaft assembly, and the top end surface of the oil baffle plate is horizontally arranged; the front shell is tightly fixed with the middle shell and is tightly attached to the side end face of the oil baffle plate; the height of the oil surface of the gearbox is lower than the top end surface of the oil baffle plate and higher than the lowest point of the small-diameter shell of the oil baffle plate 2;
the oil baffle makes the inside liquid level that has realized not high of gearbox for the oil level height that is used for lubricated inside major diameter gear of gearbox and minor diameter gear is more suitable, and is lubricated abundant and not excessive, has promoted lubricated efficiency, has improved the transmission efficiency of gearbox.
3. According to the working principle of the gearbox, before the intermediate shaft assembly rotates, the heights of the inner oil surface and the outer oil surface of the oil baffle plate are consistent; after the intermediate shaft assembly rotates, due to the blocking effect of the oil baffle plate, the inward oil inlet speed of the oil baffle plate is lower than the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8; along with the advance of time, the oil on the inner wall of the oil baffle plate 2 is less, and along with the reduction of the oil, the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8 is also less and less until the outward oil throwing speed is equal to the inward oil inlet speed, so that a dynamic balance is achieved, and the thickness of the oil on the inner wall of the oil baffle plate 2 is kept unchanged; in the process of actual design, the dynamic balance can be adjusted by adjusting the size of the oil leakage gap or the oil leakage hole, the design is ingenious, and the adjustment is flexible and convenient.
4. After the first oil penetration hole and the second oil penetration hole are added, the third set thickness is larger than the first set thickness; the fourth set thickness is greater than the second set thickness; in the process of actual design, the size of the third set thickness and the size of the fourth set thickness can be flexibly adjusted by changing the sizes of the first oil penetration hole and the second oil penetration hole, and the infiltration requirements of different gearboxes can be met.
5. According to the gearbox, the supporting structure comprises a plug board, a vertical board, a plug pin column and a supporting ring buckle, the bottom end face of the vertical board is vertically fixed on the plug board, and the plug pin column extending outwards is fixedly arranged on the top end face of the vertical board; the supporting ring buckle is fixedly arranged on the outer wall of the oil baffle plate; the inner wall of the middle shell is provided with a jack, the plug board is inserted into the jack, and the plug pin column is inserted into the support ring buckle. The supporting structure of this application, simple structure is reliable, and the installation is nimble, only needs insert the jack with the picture peg earlier, will be fixed in the support ring buckle of fender oiliness board again and insert the fixed work that the plug pin post can accomplish the fender oiliness board bottom surface, and convenient and fast is dismantled in the installation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of an oil deflector installed in a middle casing according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of the connection between an oil baffle and a countershaft assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of an oil baffle according to an embodiment of the present disclosure;
FIG. 4 is a schematic side end view of an oil deflector installed in a middle shell according to an embodiment of the present disclosure;
fig. 5 is a side end view of a front housing provided in an embodiment of the present application;
FIG. 6 is a schematic view of a support structure provided in an embodiment of the present application;
FIG. 7 is a schematic view illustrating an installation of a support ring buckle and an oil baffle according to an embodiment of the present disclosure;
reference numerals: 1. a middle shell; 2. an oil baffle plate; 21. a flanging positioning structure; 22. a curved surface gap; 23. a first oil penetration hole; 24. a second oil seepage hole; 26. a small diameter housing; 27. a large diameter housing; 28. a partition plate; 3. a support structure; 31. inserting plates; 32. a vertical plate; 33. a latch post; 34. supporting the ring buckle; 4. a bolt; 5. a middle shaft assembly; 6. a front housing; 61. a sealing profile; 7. a first bull gear; 8. a second bull gear; 9. and controlling the gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 3, the present application discloses an embodiment of an oil baffle for achieving unequal oil levels, wherein the oil baffle 2 is disposed adjacent to a countershaft assembly 5, and a first gearwheel 7, a second gearwheel 8 and a control gear 9 are fixedly sleeved on the countershaft assembly 5.
The oil baffle plate 2 is an arc-shaped shell which is divided into a step-shaped small-diameter shell 26 and a step-shaped large-diameter shell 27; the small diameter housing 26 is wrapped around the control gear 9, and the large diameter housing 27 is wrapped around the first large gear 7 and the second large gear 8. Specifically, the inner side surface of the small diameter housing 26 has a certain clearance from the outside of the control gear 9; the inner side surface of the large diameter shell 27 has a certain clearance with the outer sides of the first gearwheel 7 and the second gearwheel 8. After being coated, the oil baffle plate 2 can be arranged under the first large gear 7, the second large gear 8 and the control gear 9, and can not hinder the rotation operation of the first large gear 7, the second large gear 8 and the control gear 9.
When the intermediate shaft assembly 5 rotates, the first gearwheel 7, the second gearwheel 8 and the control gear 9 are driven to rotate. When the inward oil inlet speed of the oil baffle plate 2 is equal to the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8; the oil surface thickness of the inner wall of the large diameter casing 27 reaches the main set thickness.
Specifically, when the intermediate shaft assembly 5 rotates, due to the blocking effect of the oil baffle plate 2, the inward oil inlet speed of the oil baffle plate 2 is lower than the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8; along with the advance of time, the fluid of the inner wall of the oil baffle plate 2 can be less and less, and along with the reduction of the fluid, the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8 can also be less and less, until the outward oil throwing speed is equal to the inward oil inlet speed, a dynamic balance is achieved, the thickness of the fluid of the inner wall of the oil baffle plate 2 can be kept unchanged all the time, and the thickness of the fluid is defined as the main set thickness.
Further, the main set thickness is positively correlated with the oil-permeable gap.
Further, the oil baffle plate 2 and the axis of the intermediate shaft assembly 5 are coaxially arranged, and the top end surface of the oil baffle plate 2 is horizontally arranged. In actual installation, the oil level of the transmission is lower than the top end surface of the oil deflector 2 and higher than the bottom end surface of the small diameter housing 26 of the oil deflector 2. The bottom end surface of the small diameter housing 26 is the lowest point of the inner wall of the small diameter housing 26.
Specifically, when the inward oil inlet speed of the oil baffle plate 2 is equal to the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8, and dynamic balance is achieved, the oil level in the large-diameter shell 27 can be always guaranteed to be lower than the oil level outside the oil baffle plate 2, so that the oil level invasion heights inside and outside the oil baffle plate 2 are different, the oil level invasion heights of the control gear 9 (representing a small-diameter gear) and the first gearwheel 7 and the second gearwheel 8 (representing a large-diameter gear) are just proper, the oil level invasion heights are not too small, the lubrication performance is not weakened, and the oil stirring loss is not too large to increase.
In the embodiment of the present application, only the first gearwheel 7, the second gearwheel 8 and the control gear 9 are schematically illustrated, and in the actual design process, the oil baffle can also cover more gears.
As shown in fig. 2 and 3, in one embodiment, the oil baffle 2 further comprises a partition plate 28, and the partition plate 28 divides the large diameter housing 27 into two cavities, which respectively accommodate the first gearwheel 7 and the second gearwheel 8.
When the intermediate shaft assembly 5 starts to rotate, the inward oil inlet speed of the cavity corresponding to the first gearwheel 7 is lower than the outward oil throwing speed of the first gearwheel 7; the inward oil inlet speed of the cavity corresponding to the second gearwheel 8 is also smaller than the outward oil throwing speed of the second gearwheel 8. Until the oil inlet and outlet of the cavity corresponding to the first gearwheel 7 reach dynamic balance, and the oil inlet and outlet of the cavity corresponding to the second gearwheel 8 reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel 7 reaches a first set thickness and is kept unchanged; the thickness of the oil surface of the second gearwheel 8 corresponding to the cavity reaches a second set thickness and remains unchanged.
Specifically, before the intermediate shaft assembly 5 is started, the oil heights inside and outside the oil baffle plate 2 are kept consistent. After the intermediate shaft assembly 5 is started, when the intermediate shaft assembly starts, the inward oil inlet speed of the cavity corresponding to the first gearwheel 7 is lower than the outward oil throwing speed of the first gearwheel 7; the inward oil inlet speed of the cavity corresponding to the second gearwheel 8 is also smaller than the outward oil throwing speed of the second gearwheel 8. Along with the lapse of time, the oil height outside the oil baffle 2 keeps unchanged or rises, and the oil height in the oil baffle 2 is lower and lower, and the outward speed of getting rid of oil of first gear wheel 7 and the outward speed of getting rid of oil of second gear wheel 8 are also littleer and littleer.
When the inward oil inlet speed of the cavity corresponding to the first gearwheel 7 is equal to the outward oil throwing speed of the first gearwheel 7, and the inward oil inlet speed of the cavity corresponding to the second gearwheel 8 is equal to the outward oil throwing speed of the second gearwheel 8, the oil inlet and the oil outlet of the first gearwheel and the second gearwheel are in dynamic balance.
The thickness of the oil surface of the first gearwheel 7 corresponding to the inner wall of the large-diameter shell 27 reaches a first set thickness and is kept unchanged; the first set thickness is positively correlated with the oil-bleeding gap of the large-diameter case 27 toward the front case 6.
The second gearwheel 8 corresponds to the oil surface thickness of the inner wall of the large-diameter housing 27 to a second set thickness and remains unchanged. The second set thickness is positively correlated with the oil-bleeding gap of the small-diameter housing 26 toward the rear shell.
Furthermore, the oil baffle plate 2 is further provided with a first oil penetration hole 23 and a second oil penetration hole 24, and the first oil penetration hole 23 is arranged at the bottom of the first gearwheel 7 corresponding to the large-diameter housing 27; the second oil penetration hole 24 is provided at the bottom of the second large gear 8 corresponding to the large diameter housing 27.
After the first oil penetration hole 23 and the second oil penetration hole 24 are added, when the intermediate shaft assembly 5 rotates, oil entering and exiting from the cavity corresponding to the first gearwheel 7 reach dynamic balance, and when oil entering and exiting from the cavity corresponding to the second gearwheel 8 reach dynamic balance, the oil surface thickness of the cavity corresponding to the first gearwheel 7 reaches a third set thickness; the second gearwheel 8 reaches a fourth set thickness corresponding to the oil surface thickness of the cavity.
Specifically, during dynamic balance, the sum of the oil penetration speed of the control gear 9 and the curved surface gap 22 on the side end surface of the small-diameter shell 26 and the oil penetration speed of the second oil penetration hole 24 is equal to the oil throwing speed of the second large gear 8; the sum of the oil seepage speed of the curved surface clearance 22 between the first gearwheel 7 and the side end surface of the large-diameter shell 27 and the oil seepage speed of the first oil seepage holes 23 is equal to the outward oil throwing speed of the first gearwheel 7.
Further, after the first oil penetration hole 23 and the second oil penetration hole 24 are added, the third set thickness is larger than the first set thickness; the fourth set thickness is greater than the second set thickness; in the process of actual design, the sizes of the third set thickness and the fourth set thickness can be flexibly adjusted by changing the sizes of the first oil penetration hole 23 and the second oil penetration hole 24. In particular, the first set thickness and the third set thickness are both smaller than the tooth height of the first gearwheel 7. The second set thickness and the fourth set thickness are both smaller than the tooth height of the second gearwheel 8.
In the present embodiment, the outer side of the control gear 9 (small diameter gear) is covered by the oil baffle plate 2 more, and mainly throws oil to the second large gear 8, so the oil throwing loss is negligible.
In the present embodiment, when the intermediate shaft assembly 5 rotates, the oil clings to the oil baffle 2 to form a curved sheet, and the thickness of the oil is the average thickness of the curved sheet.
As shown in fig. 4, in an embodiment, the oil baffle plate 2 is provided with a flange positioning structure 21 adjacent to a side end surface of the first gearwheel 7, the flange positioning structure 21 is parallel to the partition plate 28, and the flange positioning structure 21 includes a plurality of positioning holes for positioning the side end surface. The positioning holes are fixed on the side end surface of the middle shell 1 through bolts.
In one embodiment, when the intermediate shaft assembly 5 reaches the maximum rotation speed and the inward oil feeding speed of the oil baffle plate 2 is equal to the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8, the submerging thickness of the first gearwheel 7 and the second gearwheel 8 is H. H can be adjusted and changed according to design requirements.
When the intermediate shaft assembly 5 reaches the minimum rotating speed and the inward oil inlet speed of the oil baffle plate 2 is equal to the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8, the immersion thickness of the first gearwheel 7 and the immersion thickness of the second gearwheel 8 are both smaller than half of the tooth height of the first gearwheel 7 and the second gearwheel 8.
The application also discloses a gearbox comprising the oil baffle for realizing the unequal-height oil level, the gearbox comprises a front shell 6 and a middle shell 1, the gearbox further comprises an oil baffle 2, the oil baffle 2 is fixed on the inner wall of the middle shell 1 through a supporting structure 3, the oil baffle 2 and the axis of a middle shaft assembly 5 are coaxially arranged, and the top end surface of the oil baffle 2 is horizontally arranged; the height of the oil surface of the gearbox is lower than the top end surface of the oil baffle plate 2 and higher than the lowest point of the inner wall of the small-diameter shell 26 of the oil baffle plate 2; the front shell 6 is tightly fixed with the middle shell 1, and the front shell 6 is tightly attached to the side end face of the oil baffle plate 2.
As shown in fig. 6 and 7, in one embodiment, the supporting structure 3 comprises an insert plate 31, a vertical plate 32, a latch 33 and a supporting ring buckle 34, wherein the bottom end surface of the vertical plate 32 is vertically fixed on the insert plate 31, and the top end surface of the vertical plate 32 is fixedly provided with the latch 33 extending outwards; the supporting ring buckle 34 is fixedly arranged on the outer wall of the oil baffle plate 2; the inner wall of the middle shell 1 is provided with a jack, the inserting plate 31 is inserted into the jack, and the inserting pin 33 is inserted into the supporting ring buckle 34. The supporting structure 3 of this application, simple structure is reliable, and the installation is nimble, only needs insert the jack with picture peg 31 earlier, and the support latch 34 that will be fixed in the oil baffle 2 again inserts the fixed work that the bottom surface of oil baffle 2 can be accomplished to the plug pin post 33, and convenient and fast is dismantled in the installation.
In one embodiment, the oil deflector 2 further comprises a partition plate 28, the partition plate 28 dividing the large diameter housing 27 into two cavities, the two cavities accommodating the first gearwheel 7 and the second gearwheel 8, respectively.
When the intermediate shaft assembly 5 starts to rotate, the inward oil inlet speed of the cavity corresponding to the first gearwheel 7 is lower than the outward oil throwing speed of the first gearwheel 7; the inward oil inlet speed of the cavity corresponding to the second gearwheel 8 is also smaller than the outward oil throwing speed of the second gearwheel 8. Until the oil inlet and outlet of the cavity corresponding to the first gearwheel 7 reach dynamic balance, and the oil inlet and outlet of the cavity corresponding to the second gearwheel 8 reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel 7 reaches a first set thickness and is kept unchanged; the thickness of the oil surface of the second gearwheel 8 corresponding to the cavity reaches a second set thickness and remains unchanged.
When the inward oil inlet speed of the cavity corresponding to the first gearwheel 7 is equal to the outward oil throwing speed of the first gearwheel 7, and the inward oil inlet speed of the cavity corresponding to the second gearwheel 8 is equal to the outward oil throwing speed of the second gearwheel 8, the oil inlet and the oil outlet of the first gearwheel and the second gearwheel are in dynamic balance.
The thickness of the oil surface of the first gearwheel 7 corresponding to the inner wall of the large-diameter shell 27 reaches a first set thickness and is kept unchanged; the first set thickness is positively correlated with the oil-bleeding gap of the large-diameter case 27 toward the front case 6. The second gearwheel 8 corresponds to the oil surface thickness of the inner wall of the large-diameter housing 27 to a second set thickness and remains unchanged. The second set thickness is positively correlated with the oil-bleeding gap of the small-diameter housing 26 toward the rear shell.
Furthermore, the oil baffle plate 2 is further provided with a first oil penetration hole 23 and a second oil penetration hole 24, and the first oil penetration hole 23 is arranged at the bottom of the first gearwheel 7 corresponding to the large-diameter housing 27; the second oil penetration hole 24 is provided at the bottom of the second large gear 8 corresponding to the large diameter housing 27.
After the first oil penetration hole 23 and the second oil penetration hole 24 are added, when the intermediate shaft assembly 5 rotates, oil entering and exiting from the cavity corresponding to the first gearwheel 7 reach dynamic balance, and when oil entering and exiting from the cavity corresponding to the second gearwheel 8 reach dynamic balance, the oil surface thickness of the cavity corresponding to the first gearwheel 7 reaches a third set thickness; the second gearwheel 8 reaches a fourth set thickness corresponding to the oil surface thickness of the cavity. After the first oil penetration hole 23 and the second oil penetration hole 24 are added, in the actual design process, the third set thickness and the fourth set thickness can be flexibly adjusted by changing the sizes of the first oil penetration hole 23 and the second oil penetration hole 24.
As shown in fig. 5, further, a flange positioning structure 21 is disposed on the side end surface of the oil baffle plate 2 adjacent to the first gearwheel 7, the flange positioning structure 21 is parallel to the partition plate 28, and the flange positioning structure 21 includes a plurality of positioning holes for positioning the side end surface; the positioning hole is fixed on the side end face of the middle shell 1 through a bolt 4; the end face of the front shell 6 side is provided with a sealing molded surface 61, and when the front shell 6 is connected with the middle shell 1, the flanging positioning structure 21 is tightly attached to the sealing molded surface 61. The sealing molded surface 61 of the front shell 6 can be tightly matched with the flanging positioning structure 21, so that the sealing performance of the oil baffle plate 2 towards one side of the front shell 6 is improved; reduce the fluid infiltration, carry out the oil leakage control with the first oil impregnate hole 23 of easier control, accuse oil is more stable.
According to the oil baffle plate 2, the oil baffle plate 2 is an arc-shaped shell, the arc-shaped shell is divided into a step-shaped small-diameter shell 26 and a step-shaped large-diameter shell 27, the small-diameter shell 26 is coated on the outer side of the control gear 9, and the large-diameter shell 27 is coated on the outer sides of the first large gear 7 and the second large gear 8; when the intermediate shaft assembly 5 rotates, the inward oil inlet speed of the oil baffle plate 2 is equal to the outward oil throwing speed of the first gearwheel 7 and the second gearwheel 8, and the oil surface thickness of the inner wall of the large-diameter shell 27 reaches the main set thickness; the application keep off oiled-plate 2 and install inside the gearbox, separated the oil level of lubricating oil for the inside lubricating oil of gearbox has realized the oil level of unequal height, when guaranteeing control gear 9 and all the other pinion lubrication, the invasion oil level of first gear wheel 7 and second gear wheel 8 can not be too deep, reduces the oil stirring loss of major diameter gear, improves the transmission efficiency of gearbox.
The gearbox comprises a front shell 6, a middle shell 1 and an oil baffle 2, wherein the oil baffle 2 is fixed on the inner wall of the middle shell 1 through a supporting structure 3, the axis of the oil baffle 2 and the axis of a middle shaft assembly 5 are coaxially arranged, and the top end surface of the oil baffle 2 is horizontally arranged; the front shell 6 is tightly fixed with the middle shell 1, and the front shell 6 is tightly attached to the side end face of the oil baffle plate 2; the height of the oil surface of the gearbox is lower than the top end surface of the oil baffle plate and higher than the lowest point of the small-diameter shell of the oil baffle plate 2; the oil baffle makes the inside liquid level that has realized not high of gearbox for the oil level height that is used for lubricated inside major diameter gear of gearbox and minor diameter gear is more suitable, and is lubricated abundant and not excessive, has promoted lubricated efficiency, has improved the transmission efficiency of gearbox.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a keep off oiled-plate for realizing not high oil level, its neighbouring jackshaft assembly (5) set up, fixed first gear wheel (7), second gear wheel (8) and control gear (9), its characterized in that are established to the cover on jackshaft assembly (5):
the oil baffle plate (2) is an arc-shaped shell, and the arc-shaped shell is divided into a step-shaped small-diameter shell (26) and a step-shaped large-diameter shell (27); the small-diameter shell (26) is wrapped on the outer side of the control gear (9), and the large-diameter shell (27) is wrapped on the outer sides of the first large gear (7) and the second large gear (8);
when the intermediate shaft assembly (5) rotates and the inward oil inlet speed of the oil baffle plate (2) is equal to the outward oil throwing speed of the first gearwheel (7) and the second gearwheel (8); the oil surface thickness of the inner wall of the large-diameter shell (27) reaches the main set thickness.
2. The oil deflector for achieving unequal height oil levels as defined in claim 1, wherein: the oil baffle plate (2) further comprises a partition plate (25), the partition plate (25) divides the large-diameter shell (27) into two cavities, and the two cavities respectively accommodate the first gearwheel (7) and the second gearwheel (8);
when the intermediate shaft assembly (5) rotates and oil inlet and outlet of the cavity corresponding to the first large gear (7) and oil inlet and outlet of the cavity corresponding to the second large gear (8) reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel (7) reaches a first set thickness; the thickness of the oil surface of the second gearwheel (8) corresponding to the cavity reaches a second set thickness.
3. The oil deflector for achieving unequal height oil levels according to claim 2, wherein: the oil baffle plate (2) is further provided with a first oil penetration hole (23) and a second oil penetration hole (24), and the first oil penetration hole (23) is formed in the bottom of the first large gear (7) corresponding to the large-diameter shell (27); the second oil seepage hole (24) is formed in the bottom of the second large gear (8) corresponding to the large-diameter shell (27);
after the first oil penetration hole (23) and the second oil penetration hole (24) are added, the intermediate shaft assembly (5) rotates, and oil inlet and outlet of a cavity corresponding to the first gearwheel (7) and oil inlet and outlet of a cavity corresponding to the second gearwheel (8) reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel (7) reaches a third set thickness; the thickness of the oil surface of the second gearwheel (8) corresponding to the cavity reaches a fourth set thickness.
4. The oil deflector for achieving unequal height oil levels according to claim 2, wherein: the side end face of the oil baffle plate (2) adjacent to the first gearwheel (7) is provided with a flanging positioning structure (21), the flanging positioning structure (21) is parallel to the partition plate (28), and the flanging positioning structure (21) comprises a plurality of positioning holes for positioning the side end face.
5. The oil deflector for achieving unequal height oil levels as defined in claim 1, wherein: when the intermediate shaft assembly (5) reaches the maximum rotating speed and the inward oil inlet speed of the oil baffle plate (2) is equal to the outward oil throwing speed of the first gearwheel (7) and the second gearwheel (8), the immersion thickness of the first gearwheel (7) and the immersion thickness of the second gearwheel (8) are both H;
when the intermediate shaft assembly (5) reaches the minimum rotating speed and the inward oil inlet speed of the oil baffle plate (2) is equal to the outward oil throwing speed of the first large gear (7) and the second large gear (8), the immersion thickness of the first large gear (7) and the immersion thickness of the second large gear (8) are both smaller than half of the tooth height of the first large gear and the second large gear.
6. A gearbox comprising an oil deflector for achieving unequal height oil levels according to claim 1, comprising a front shell (6) and a middle shell (1), characterized in that:
the oil baffle plate (2) is fixed on the inner wall of the middle shell (1) through a supporting structure (3), the oil baffle plate (2) and the axis of the middle shaft assembly (5) are coaxially arranged, and the top end surface of the oil baffle plate (2) is horizontally arranged; the oil level of the gearbox is lower than the top end surface of the oil baffle plate (2) and higher than the lowest point of the small-diameter shell (26) of the oil baffle plate (2);
the front shell (6) is tightly fixed with the middle shell (1), and the front shell (6) is tightly attached to the side end face of the oil baffle plate (2).
7. The transmission of claim 6, wherein: the supporting structure (3) comprises an inserting plate (31), a vertical plate (32), inserting pins (33) and a supporting ring buckle (34), the bottom end face of the vertical plate (32) is vertically fixed on the inserting plate (31), and the inserting pins (33) extending outwards are fixedly arranged on the top end face of the vertical plate (32); the supporting ring buckle (34) is fixedly arranged on the outer wall of the oil baffle plate (2);
the inner wall of mesochite (1) sets up the jack, picture peg (31) insert in the jack, cotter pin post (33) insert in support latch (34).
8. The transmission of claim 6, wherein: the oil baffle plate (2) further comprises a partition plate (25), the partition plate (25) divides the large-diameter shell (27) into two cavities, and the two cavities respectively accommodate the first gearwheel (7) and the second gearwheel (8);
when the intermediate shaft assembly (5) rotates and oil inlet and outlet of the cavity corresponding to the first large gear (7) and oil inlet and outlet of the cavity corresponding to the second large gear (8) reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel (7) reaches a first set thickness; the thickness of the oil surface of the second gearwheel (8) corresponding to the cavity reaches a second set thickness.
9. The transmission of claim 8, wherein: the oil baffle plate (2) is further provided with a first oil penetration hole (23) and a second oil penetration hole (24), and the first oil penetration hole (23) is formed in the bottom of the first large gear (7) corresponding to the large-diameter shell (27); the second oil seepage hole (24) is formed in the bottom of the second large gear (8) corresponding to the large-diameter shell (27);
after the first oil penetration hole (23) and the second oil penetration hole (24) are added, the intermediate shaft assembly (5) rotates, and oil inlet and outlet of a cavity corresponding to the first gearwheel (7) and oil inlet and outlet of a cavity corresponding to the second gearwheel (8) reach dynamic balance; the thickness of the oil surface of the cavity corresponding to the first gearwheel (7) reaches a third set thickness; the thickness of the oil surface of the second gearwheel (8) corresponding to the cavity reaches a fourth set thickness.
10. The transmission of claim 8, wherein: the side end face of the oil baffle plate (2) close to the first gearwheel (7) is provided with a flanging positioning structure (21), the flanging positioning structure (21) is parallel to the partition plate (28), and the flanging positioning structure (21) comprises a plurality of positioning holes for positioning the side end face; the positioning hole is fixed on the side end face of the middle shell (1) through a bolt (4);
preceding shell (6) side end face sets up sealed profile (61), and when preceding shell (6) and mesochite (1) are connected, turn-ups location structure (21) closely laminate in sealed profile (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604855.5A CN113251133B (en) | 2021-05-31 | 2021-05-31 | Oil baffle for realizing unequal-height oil surface and gearbox |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604855.5A CN113251133B (en) | 2021-05-31 | 2021-05-31 | Oil baffle for realizing unequal-height oil surface and gearbox |
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| Publication Number | Publication Date |
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| CN113251133A true CN113251133A (en) | 2021-08-13 |
| CN113251133B CN113251133B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008267526A (en) * | 2007-04-23 | 2008-11-06 | Toyota Motor Corp | Oil leakage preventing structure |
| JP2009185991A (en) * | 2008-02-08 | 2009-08-20 | Toyota Motor Corp | Lubricating structure for transmission |
| JP2010223278A (en) * | 2009-03-20 | 2010-10-07 | Daihatsu Motor Co Ltd | Lubricating device of transmission |
| JP2013194891A (en) * | 2012-03-22 | 2013-09-30 | Honda Motor Co Ltd | Lubricating device of power transmission mechanism |
| CN205101495U (en) * | 2015-10-29 | 2016-03-23 | 浙江吉利汽车研究院有限公司 | Automatic gearbox oil baffle |
| WO2017063595A1 (en) * | 2015-10-16 | 2017-04-20 | 北京新能源汽车股份有限公司 | Reducer and housing thereof |
| CN107314100A (en) * | 2017-07-31 | 2017-11-03 | 浙江鑫可精密机械有限公司 | A kind of pure electric automobile speed changer with novel lubricating structure |
| CN207421281U (en) * | 2017-11-09 | 2018-05-29 | 北京长城华冠汽车技术开发有限公司 | A kind of longitudinal manual transmission with oil baffle |
| US20190257406A1 (en) * | 2016-09-27 | 2019-08-22 | Aisin Ai Co., Ltd. | Lubricating device for transmission |
| CN211501591U (en) * | 2019-12-18 | 2020-09-15 | 东风商用车有限公司 | Gearbox for automobile |
| CN212839245U (en) * | 2020-08-11 | 2021-03-30 | 安徽省锦瑞汽车部件有限公司 | Oil baffle plate of differential mechanism |
-
2021
- 2021-05-31 CN CN202110604855.5A patent/CN113251133B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008267526A (en) * | 2007-04-23 | 2008-11-06 | Toyota Motor Corp | Oil leakage preventing structure |
| JP2009185991A (en) * | 2008-02-08 | 2009-08-20 | Toyota Motor Corp | Lubricating structure for transmission |
| JP2010223278A (en) * | 2009-03-20 | 2010-10-07 | Daihatsu Motor Co Ltd | Lubricating device of transmission |
| JP2013194891A (en) * | 2012-03-22 | 2013-09-30 | Honda Motor Co Ltd | Lubricating device of power transmission mechanism |
| WO2017063595A1 (en) * | 2015-10-16 | 2017-04-20 | 北京新能源汽车股份有限公司 | Reducer and housing thereof |
| CN205101495U (en) * | 2015-10-29 | 2016-03-23 | 浙江吉利汽车研究院有限公司 | Automatic gearbox oil baffle |
| US20190257406A1 (en) * | 2016-09-27 | 2019-08-22 | Aisin Ai Co., Ltd. | Lubricating device for transmission |
| CN107314100A (en) * | 2017-07-31 | 2017-11-03 | 浙江鑫可精密机械有限公司 | A kind of pure electric automobile speed changer with novel lubricating structure |
| CN207421281U (en) * | 2017-11-09 | 2018-05-29 | 北京长城华冠汽车技术开发有限公司 | A kind of longitudinal manual transmission with oil baffle |
| CN211501591U (en) * | 2019-12-18 | 2020-09-15 | 东风商用车有限公司 | Gearbox for automobile |
| CN212839245U (en) * | 2020-08-11 | 2021-03-30 | 安徽省锦瑞汽车部件有限公司 | Oil baffle plate of differential mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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