CN113719604A - Active lubricating structure and method for gear box with oil storage box - Google Patents
Active lubricating structure and method for gear box with oil storage box Download PDFInfo
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- CN113719604A CN113719604A CN202011345190.2A CN202011345190A CN113719604A CN 113719604 A CN113719604 A CN 113719604A CN 202011345190 A CN202011345190 A CN 202011345190A CN 113719604 A CN113719604 A CN 113719604A
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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
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
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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
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
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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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0445—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control for supply of different gearbox casings or sections
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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
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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
- F16H57/0467—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
The invention discloses an active lubrication structure and a lubrication method for a gear box with an oil storage box, wherein the active lubrication structure comprises a box body, a box body oil suction port is formed in the side wall of the lower part of the box body, an oil pump is arranged in the box body and close to the oil suction port of the box body, a cooler is arranged outside the box body, and the oil outlet of the oil pump is connected with the oil inlet of the cooler; an oil storage box is further arranged on the upper portion inside the box body, and an oil outlet of the cooler is connected with an oil inlet of the oil box of the oil storage box through a first pipeline; an oil box oil outlet of the oil storage box is connected with a bearing and/or a bearing seat arranged in the box body through a pipeline and/or a groove structure; according to the active lubricating structure of the gear box, through the arrangement of the oil storage box, under the premise of keeping the lubrication condition of parts in the gear box good, the filling amount and the liquid level height of lubricating oil can be effectively reduced, so that the power consumption loss of oil stirring of the gear is reduced, the heating amount of the oil stirring is reduced, the transmission efficiency of the gear box is improved, and the comprehensive performance of the whole gear box is improved.
Description
Technical Field
The invention relates to the technical field of lubrication of gears in a box body, in particular to an active lubrication structure and a lubrication method of a gear box with an oil storage box.
Background
In order to keep the normal operation condition of the gearbox, a certain amount of lubricating oil needs to be filled in the oil pan of the gearbox, and the abrasion of moving parts in the gearbox is reduced through the lubricating oil, so that the service life of the whole gearbox is prolonged; there is also a method of distributing the lubricating oil through the reservoir to the gear structure.
For example, chinese patent application (publication No. CN102003521A) discloses an automatic oil supply device for a bearing part of a speed reducer, which can supply oil to the bearing part of the speed reducer in a circulating manner in 2011, and the automatic oil supply device includes: the gearbox, the casing of gearbox is provided with on the inner wall of gear direction of rotation one side and collects the oil box to seted up with the communicating oil delivery mouth of collecting the oil box, the bottom of collecting the oil box is higher than the bearing part, wears to be equipped with defeated oil pipe in the oil delivery mouth, is provided with the filter screen in the oil delivery mouth, the tip of defeated oil pipe is linked together with the oiling mouth of bearing part. The lubricating oil collected in the oil collecting box through the operation of the gear automatically provides lubricating oil for the bearing parts of the speed reducer after being filtered, no additional power is needed, and the bearing parts are ensured not to be cut off.
A Chinese utility model patent (publication number: CN207906416U) discloses a forced lubrication mechanism of a vertical welding gear box in 2018, wherein the gear box comprises a box body, a gear shaft, a bearing, a gear pump, an external lubrication pipe, an oil distribution pipe, an oil collection box, a magnetic plug screw and a bearing seat; the gear shaft is provided with a gear pump, the gear pump is connected with at least one external lubricating pipe and is communicated with each oil injection point through an oil distribution pipe for oil injection, and the oil injection points comprise oil injection points directly injected on the end surface of the gear meshing pair and oil injection points injected on the inner wall of the box body; the end part of the bearing seat is provided with an oil collecting box for collecting lubricating oil on the inner wall of the box body, and the oil collecting box flows to the oil cavity and is communicated with the corresponding bearing through a lubricating oil hole on the bearing seat; this lubricating structure utilizes the fluid of gathering oil box with the tank wall of every gear shaft department to concentrate, need use a plurality of oil spray points and a plurality of oil box for the inner structure of whole box is great, and occupation space is many, and the bottom of box still can gather more fluid, and the radiating effect of high temperature fluid is not good moreover.
When the gear box operates, the lubricating oil at the bottom of the box body is stirred by the gears in the box body, and the rotation resistance of the gears is increased under the viscous action of the lubricating oil, so that the efficiency of the whole gear box is reduced. In addition, the energy loss of the gears churning the oil generates heat, and a portion of the heat is transferred to the oil, raising the oil temperature. The high temperature can make lubricating oil oxidation acceleration also can influence the life-span of other moving parts, finally causes the influence to whole case comprehensive properties.
Disclosure of Invention
The invention aims to provide an active lubrication structure and a lubrication method of a gearbox with an oil storage box, aiming at the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a gear box active lubricating structure with an oil storage box comprises a box body and a box cover which are connected in a matched mode, wherein a box body oil suction opening is formed in the side wall of the lower portion of the box body; an oil storage box is further arranged on the upper portion inside the box body, and an oil outlet of the cooler is connected with an oil inlet of the oil box of the oil storage box through a first pipeline; and an oil box oil outlet of the oil storage box is connected with a bearing and/or a bearing seat arranged in the box body through a second pipeline and/or a groove structure in the box body.
According to the active lubricating structure of the gear box, through the arrangement of the oil storage box, under the premise of keeping the lubrication condition of parts in the gear box good, the filling amount and the liquid level height of lubricating oil can be effectively reduced, so that the power consumption loss of oil stirring of the gear is reduced, the heating amount of the oil stirring is reduced, the transmission efficiency of the gear box is improved, and the comprehensive performance of the whole gear box is improved.
Lubricating oil injected into the box body can flow downwards and gather at the bottom of the box body under the action of circulation and self gravity, the oil pump can pump the gathered oil into the cooler in time for cooling, and then the collected oil is transferred into the oil storage box for storage and flows into corresponding bearings and bearing seats respectively, so that the process on one hand avoids that the oil pump directly pumps the oil into the bearings or the bearing seats to cause high-temperature oil to perform lubricating work, and simultaneously reduces the speed of the oil flowing to the bottom gathering quickly again; on the other hand, the oil which circularly falls can be ensured to be conveyed to each bearing and bearing seat after being subjected to cooling treatment, the oil is temporarily stored in the oil storage box above the oil storage box to form a new circulating loop, the accumulation of the oil at the bottom of the box body is obviously reduced, the viscous phenomenon of the oil on the rotation of the gear is reduced, and the rotation efficiency of the gear can be improved; the phenomenon that the existing gear body is soaked for a long time or contacts bottom oil is changed.
The oil storage box is arranged on the middle upper portion, so that oil in the oil storage box does not need to be additionally driven, the oil can be conveyed to bearings and bearing seats at different positions by means of the flowing performance and the gravity action of the oil, a special installation space cannot be newly added in the box body, the existing layout space position can be reasonably utilized, the internal arrangement structure and the space structure of the box body cannot be increased or changed, and the internal structure of the box body is more compact.
Will the cooler setting is in the outside of box can enough reduce the occupation of inner space, also makes things convenient for the installation of cooler, is favorable to the heat dissipation simultaneously.
The box includes gearbox, reducing gear box and acceleration case etc. if the reducing gear box application that adopts this lubricating structure is in the car after, can obviously promote the drivability of whole car, has reduced the injection of fluid moreover, has prolonged the life of fluid and reducing gear box spare part, has reduced user's maintenance cost.
Furthermore, be equipped with gear connection's input shaft, jackshaft and output shaft in the box, the input shaft the jackshaft with the output shaft is the distribution of delta font and axis parallel arrangement, the oil storage box sets up between the input shaft with the output shaft and lie in simultaneously the triangle region position of jackshaft top.
Will the oil storage box setting neither influences the setting of other parts in the box in this triangular space, also can not produce the motion and interfere, also just can be with synchronous transport to bearing and the bearing frame department that three axles were located of fluid.
Furthermore, the oil storage box is of a sealed box body structure, a plurality of oil box oil outlets are respectively arranged on two sides of the oil storage box, and oil box oil inlets are arranged on any side of the oil storage box; the side of the oil inlet of the oil box is close to the inner wall of the box body, and the other side of the oil inlet of the oil box is close to the inner wall of the box cover.
Oil box oil outlets are respectively formed in two end sides of the oil storage box, so that oil in the oil storage box can conveniently enter pipelines on the box body and the box cover from two ends respectively, and the oil can be conveyed to bearing seats on the box body side and the box cover side respectively; an oil inlet of the oil box is arranged on one side of the box body so as to be conveniently connected with a cooler arranged outside the box body; and a closed box body structure is adopted, so that the oil is prevented from flowing out from places except the oil inlet and outlet.
Furthermore, the oil inlet of the oil box is of a cylinder structure, the inner wall of the box body is provided with a corresponding counter bore, and the oil inlet of the oil box is inserted into the counter bore and positioned; the two ends of the oil storage box, which are provided with the oil inlet of the oil box and the oil outlet of the oil box, are respectively clamped and fixed through the box body and the box cover.
Furthermore, the oil storage box is an independent part and is fixed inside the box body in a screwing or welding mode; or the oil storage box and the box body are cast together, or the oil storage box and the box body are integrated on the box body in a 3D printing mode.
Further, the first pipeline, the second pipeline and the groove structure are all cast together with the box body; or the first pipeline and the second pipeline are respectively one of a metal pipe and a plastic pipe and are fixed on the inner wall of the box body through screws and buckles.
Further, the oil pump is arranged in a lower area between the output shaft and the intermediate shaft, and the oil pump is connected with and driven by the gear meshing of the output shaft through an intermediate gear.
Furthermore, a filter is arranged and connected between the oil inlet of the oil pump and the oil suction port of the box body. The filter can effectively reduce impurities in the circulating oil.
Furthermore, the cooler is arranged at a position, close to the oil pump, on the outer side of the box body, the cooler is in threaded connection with the outer wall of the box body through a plurality of connecting lugs, and an oil inlet and an oil outlet of the cooler are arranged towards the box body, so that pipelines can be conveniently connected and arranged.
Further, the lubricating method comprises the steps that oil at the bottom in the box body is filtered by the oil pump and is pumped into the cooler, the gathering of the oil at the bottom in the box body is reduced, the cooler cools the oil and inputs the cooled oil into the oil storage box above the inner part of the box body for temporary storage, and the oil is respectively led into each bearing and a bearing seat by the oil storage box.
By adopting the lubricating method, when the gear box runs, the oil pump works under the driving of the gear, and oil liquid at the bottom of the box body is pumped into the cooler after being absorbed and filtered; and the cooled oil liquid enters the oil storage box through a pipeline outside the box body. Oil flows into the bearing seat through an oil outlet on the oil storage box through a pipeline in the box body or under the guidance of the oil guide rib, so as to lubricate related bearings. Because the fluid of bottom half is under the effect of pump, partly has been pumped in the oil storage box, the liquid level of bottom half can effectively reduce to play the stirring oil consumption loss that reduces the gear and reduce stirring oil calorific capacity, improve the transmission efficiency's of gear box effect. And the lubricating oil flows to each bearing in the box body through the pipeline of the oil outlet of the oil box, so that the lubricating oil is fully lubricated, the transmission efficiency of the gear box is improved, the service life of the gear box is not reduced, and the comprehensive performance of the whole box is finally improved.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the active lubricating structure of the gear box, through the arrangement of the oil storage box, under the premise of keeping the lubricating condition of parts in the box good, the filling amount and the liquid level height of lubricating oil can be effectively reduced, so that the oil stirring power consumption loss of the gear is reduced, the oil stirring heating amount is reduced, the transmission efficiency of the gear box is improved, and the comprehensive performance of the whole box is improved; 2. the oil storage box is arranged, on one hand, the situation that the oil pump directly pumps oil into a bearing or a bearing seat to cause high-temperature oil to lubricate is avoided, and meanwhile, the speed of the oil flowing to the bottom again to be gathered can be reduced; on the other hand, the oil which circularly falls can be ensured to be conveyed to each bearing and bearing seat after being subjected to cooling treatment, and the oil is temporarily stored in the oil storage box above the oil storage box to form a new circulating loop, so that the accumulation of the oil at the bottom of the box body is obviously reduced, and the viscous phenomenon of the oil on the rotation of the gear is reduced; 3. the oil storage box is arranged at a position which does not generate movement interference, a special installation space is not required to be additionally arranged in the box body, and the reasonable utilization of the existing layout space position can be realized, so that the internal structure of the box body is more compact; 4. will the cooler setting is in the outside of box can enough reduce the occupation of inner space, also makes things convenient for the installation of cooler, is favorable to the heat dissipation simultaneously.
Drawings
FIG. 1 is a schematic view of the overall construction of the gear box of the present invention;
FIG. 2 is a schematic diagram of the overall structure of an active lubrication structure of a gearbox with an oil storage box according to the present invention;
FIG. 3 is a first structural schematic view of a reservoir box of the active lubrication structure of a gearbox with the reservoir box according to the present invention;
FIG. 4 is a second structural schematic diagram of the oil storage box of the active lubrication structure of the gearbox with the oil storage box according to the invention;
FIG. 5 is a schematic flow chart of the method for actively lubricating a gearbox with an oil reservoir according to the present invention;
FIG. 6 is a schematic diagram I of the oil flow direction of the active lubrication method for a gearbox with an oil storage box according to the present invention;
FIG. 7 is a schematic diagram II of the oil flow direction of the active lubrication method of the gearbox with the oil storage box according to the invention;
in the figure: 1. a box body; 2. a box cover; 3. an oil suction port of the box body; 4. an oil pump; 5. a filter; 6. a cooler; 601. connecting lugs; 7. an oil storage box; 701. an oil inlet of the oil box; 702. an oil box oil outlet; 8. an input shaft; 9. an intermediate shaft; 10. an output shaft; 11. oil guiding ribs; 12. a second pipeline; 13. a first conduit.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 and 2, the active lubrication structure of the gear box with the oil storage box comprises a box body 1 and a box cover 2 which are connected in a matching manner, wherein a box body oil suction opening 3 is formed in the side wall of the lower part of the box body 1, an oil pump 4 is arranged in the box body 1 and close to the box body oil suction opening 3, a cooler 6 is arranged outside the box body 1, and an oil outlet of the oil pump 4 is connected with an oil inlet of the cooler 6; an oil storage box 7 is further arranged at the upper part inside the box body 1, and an oil outlet of the cooler 6 is connected with an oil inlet of the oil box of the oil storage box 7 through a first pipeline 13 (see fig. 6); an oil box oil outlet of the oil storage box 7 is connected with a bearing and/or a bearing seat arranged in the box body 1 through a second pipeline 12 and an oil guide rib 11 in the box body.
According to the active lubricating structure of the gear box, through the arrangement of the oil storage box 7, under the premise of keeping the lubricating condition of parts in the gear box good, the filling amount and the liquid level height of lubricating oil can be effectively reduced, so that the power consumption loss of oil stirring of the gear is reduced, the heating amount of the oil stirring is reduced, the transmission efficiency of the gear box is improved, and the comprehensive performance of the whole gear box is improved.
Lubricating oil injected into the box body 1 can flow downwards and gather at the bottom of the box body under the action of circulation and self gravity, the oil pump 4 can pump the gathered oil into the cooler 6 in time for cooling, and then the collected oil is transferred into the oil storage box 7 for storage and flows into corresponding bearings and bearing seats respectively, so that on one hand, the process avoids that the oil pump 4 directly pumps the oil into the bearings or the bearing seats to cause high-temperature oil to perform lubrication work, and simultaneously, the speed of the oil flowing to the bottom gathering again can be reduced; on the other hand, the oil which circularly falls can be ensured to be conveyed to each bearing and bearing seat after being subjected to cooling treatment, the oil is temporarily stored in the oil storage box 7 above the oil to form a new circulating loop, the accumulation of the oil at the bottom of the box body is obviously reduced, the viscous phenomenon of the oil on the rotation of the gear is reduced, and the rotation efficiency of the gear can be improved; the phenomenon that the existing gear body is soaked for a long time or contacts bottom oil is changed.
The oil storage box 7 is arranged on the middle upper portion to enable oil in the oil storage box 7 does not need to be additionally driven, and the oil can be conveyed to bearings and bearing seats at different positions by means of the flowing performance and the gravity action of the oil, a special installation space cannot be newly added in the box body, the existing layout space position can be reasonably utilized, the internal arrangement structure and the space structure of the box body cannot be increased or changed, and the internal structure of the box body is more compact.
Will cooler 6 sets up the outside of box 1 can enough reduce the occupation of inner space, also makes things convenient for the installation of cooler 6, is favorable to the heat dissipation simultaneously.
The box body 1 is an automobile reduction box, and after the reduction box adopting the lubricating structure is applied to an automobile, the drivability of the whole automobile can be obviously improved, the injection of oil is reduced, the service lives of the oil and the reduction box parts are prolonged, and the maintenance cost of a user is reduced.
Further, an input shaft 8, an intermediate shaft 9 and an output shaft 10 which are connected through gears are arranged in the box body 1, the input shaft 8, the intermediate shaft 9 and the output shaft 10 are distributed in a delta shape, central axes of the input shaft 8, the intermediate shaft 9 and the output shaft 10 are arranged in parallel, and the input shaft 8, the intermediate shaft 9 and the output shaft 10 are respectively connected with bearing seats (the inner side of the box cover 2 and the inner side of the box body 1) on two sides through bearings; the oil reservoir 7 is disposed between the input shaft 8 and the output shaft 10 and is also located at a triangular region position above the intermediate shaft 9.
With oil storage box 7 sets up neither influence the setting of other parts in the box in this triangle region, also can not produce the motion and interfere, also just can be with synchronous transport of fluid to bearing and the bearing frame department that three axles are located.
Further, as shown in fig. 3 and 4, the oil storage box 7 is a sealed box structure, two sides of the oil storage box 7 are respectively provided with a plurality of oil outlets 702 of the oil storage box, and either side of the oil storage box 7 is provided with an oil inlet 701 of the oil storage box; the side of the oil inlet 701 of the oil box is arranged close to the inner wall of the box body 1, and the other side of the oil inlet 701 of the oil box is arranged close to the inner wall of the box cover 2.
Oil box oil outlets 702 are respectively arranged at two end sides of the oil storage box 7, so that oil in the oil storage box can conveniently enter pipelines on the box body 1 and the box cover 2 from two ends respectively, and the oil can be conveyed to bearing seats at the side of the box body and the side of the box cover respectively; the oil inlet 701 of the oil box is arranged on one side of the box body 1 so as to be connected with a cooler 6 arranged outside the box body 1; and a closed box body structure is adopted, so that the oil is prevented from flowing out from places except the oil inlet and outlet.
Further, the oil inlet 701 of the oil box is of a cylindrical structure, a corresponding counter bore is formed in the inner wall of the box body 1, and the oil inlet 701 of the oil box is inserted into the counter bore and positioned; two ends of the oil storage box 7, which are provided with the oil inlet 701 and the oil outlet 702 of the oil box, are clamped and fixed through the box body 1 and the box cover 2 respectively.
Further, the oil pump 4 is disposed in a lower region between the output shaft 10 and the intermediate shaft 9, and the oil pump 4 is engaged with and driven by a gear of the output shaft 10 through an intermediate gear.
Further, a filter 5 is arranged and connected between an oil inlet of the oil pump 4 and an oil suction port of the box body 1. The filter 5 can effectively reduce impurities in the circulating oil.
Furthermore, the cooler 6 is arranged at a position, close to the oil pump 4, on the outer side of the box body 1, the cooler 6 is in threaded connection with the outer wall of the box body 1 through four connecting lugs 601 which are centrosymmetric, and an oil inlet and an oil outlet of the cooler 6 are arranged towards the box wall of the box body 1, so that the cooler is conveniently connected with a pipeline on the box body 1.
That is, the cooler 6 has a free inlet and outlet communicated with the channel on the box 1 and respectively connected with the oil pump 4 and the oil storage box 7, wherein the pipeline connected with the oil storage box 7 is the first pipeline 13, as shown in fig. 6, the lower left part of the first pipeline 13 is located outside the box 1, the middle part of the first pipeline extends to the inside of the box 1 through the side wall of the box 1, and the first pipeline is connected with the oil inlet 701 of the oil storage box inside (on the other side) the box 1 after being bent; the arrangement of the first pipeline 13 does not need to change the structural arrangement of the original box body, and the pipeline is arranged in a reasonable space only stored on the box body, so that the compactness of the structure of the box body is further improved, and the control on the weight and the volume of the whole vehicle is very beneficial.
Example two:
the difference between this embodiment and the first embodiment is that another method for arranging the oil storage box and the pipeline is provided.
The oil storage box 7 is integrated on the box body 1 in a 3D printing mode.
Further, the first pipeline 13, the second pipeline 12, the oil guiding rib 11 and the groove structure are all cast together with the box body 1; can optimize like this the structure of box 1 avoids the setting of scattered pipeline, and holistic structural stability changes.
Example three:
this embodiment provides a method of lubricating an active lubrication structure of the first embodiment.
The lubricating method comprises the steps that an oil pump 4 filters oil at the bottom in a box body and pumps the oil into a cooler 6, so that oil gathering at the bottom in the box body 1 is reduced, the cooler 6 cools the oil and inputs the cooled oil into an oil storage box 7 above the inside of the box body 1 for temporary storage, and the oil is respectively introduced into each bearing and a bearing seat by the oil storage box 7. The arrows in fig. 6 and 7 illustrate the direction of oil travel.
By adopting the lubricating method, when the gear box runs, the oil pump 4 is driven by the gear to work, and oil liquid at the bottom of the box body 1 is pumped into the cooler 6 after being absorbed and filtered; the cooled oil liquid enters the oil storage box 7 through a pipeline outside the box body 1. Oil flows into the bearing seat through an oil outlet on the oil storage box 7 through a second pipeline 12 in the box body or under the guidance of the oil guide rib 11, and related bearings are lubricated. Because the fluid of box 1 bottom is under the effect of oil pump, partly pumped in the oil storage box 7, the liquid level of box 1 bottom can effectively reduce to play the effect that reduces the stirring oil consumption loss of gear and reduce stirring oil calorific capacity, improve the transmission efficiency of gear box. In addition, through the pipeline of the oil outlet 702 of the oil box, the lubricating oil flows to each bearing in the box body to be fully lubricated, so that the transmission efficiency of the gearbox is improved, the service life of the gearbox is not reduced, and the comprehensive performance of the whole box is finally improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A gear box active lubricating structure with an oil storage box comprises a box body and a box cover which are connected in a matching mode, and is characterized in that a box body oil suction opening is formed in the side wall of the lower portion of the box body, an oil pump is arranged in the box body and close to the oil suction opening of the box body, a cooler is arranged outside the box body, and an oil outlet of the oil pump is connected with an oil inlet of the cooler; an oil storage box is further arranged on the upper portion inside the box body, and an oil outlet of the cooler is connected with an oil inlet of the oil box of the oil storage box through a first pipeline; and an oil box oil outlet of the oil storage box is connected with a bearing and/or a bearing seat arranged in the box body through a second pipeline and/or a groove structure in the box body.
2. The active lubrication structure of a gearbox with a storage box according to claim 1, wherein the gearbox body is internally provided with an input shaft, an intermediate shaft and an output shaft which are connected by gears, the input shaft, the intermediate shaft and the output shaft are distributed in a delta shape, central axes of the input shaft, the intermediate shaft and the output shaft are arranged in parallel, and the storage box is arranged between the input shaft and the output shaft and is simultaneously positioned at a triangular area position above the intermediate shaft.
3. The active lubrication structure of the gearbox with the oil storage box according to claim 1, wherein the oil storage box is of a sealed box body structure, a plurality of oil box oil outlets are respectively arranged on two sides of the oil storage box, and oil box oil inlets are arranged on any side of the oil storage box; the side of the oil inlet of the oil box is close to the inner wall of the box body, and the other side of the oil inlet of the oil box is close to the inner wall of the box cover.
4. The active lubrication structure of the gearbox with the oil storage box according to claim 1, wherein an oil inlet of the oil storage box is of a cylinder structure, a corresponding counter bore is formed in the inner wall of the box body, and the oil inlet of the oil storage box is inserted into the counter bore and positioned; the two ends of the oil storage box, which are provided with the oil inlet of the oil box and the oil outlet of the oil box, are respectively clamped and fixed through the box body and the box cover.
5. The active lubrication structure of a gearbox with an oil storage box according to claim 1, wherein the oil storage box is an independent part and is fixed inside the box body in a screwing or welding mode; or the oil storage box and the box body are cast together, or the oil storage box and the box body are integrated on the box body in a 3D printing mode.
6. The active lubrication structure of a gearbox with a reservoir box as recited in claim 1, wherein said first conduit, said second conduit and said channel structure are all cast with said housing; or the first pipeline and the second pipeline are respectively one of a metal pipe and a plastic pipe and are fixed on the inner wall of the box body through screws and buckles.
7. The active lubrication structure of a gearbox with a sump according to claim 2, wherein said oil pump is disposed in a lower region between said output shaft and said intermediate shaft, and said oil pump is engaged with and driven by a gear of said output shaft through an intermediate gear.
8. The active lubrication structure of a gearbox with an oil storage box according to claim 1, wherein a filter is arranged between an oil inlet of the oil pump and an oil suction port of the box body and connected with the oil inlet of the oil pump.
9. The active lubrication structure of a gearbox with an oil storage box according to claim 1, wherein the cooler is arranged on the outer side of the box body and close to the oil pump, the cooler is in threaded connection with the outer wall of the box body through a plurality of connecting lugs, and an oil inlet and an oil outlet of the cooler are both arranged towards the box body.
10. A lubricating method of an active lubricating structure of a gearbox with an oil storage box according to any one of claims 1 to 9 is characterized by comprising the steps of filtering oil at the bottom in the box by an oil pump and pumping the oil into a cooler to reduce oil aggregation at the bottom in the box, cooling the oil by the cooler, inputting the cooled oil into the oil storage box above the inner part of the box for temporary storage, and introducing the oil into each bearing and each bearing seat by the oil storage box respectively.
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| CN202011345190.2A CN113719604B (en) | 2020-11-26 | 2020-11-26 | Gear box active lubrication structure with oil storage box and lubrication method |
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| CN202011345190.2A CN113719604B (en) | 2020-11-26 | 2020-11-26 | Gear box active lubrication structure with oil storage box and lubrication method |
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| CN113719604A true CN113719604A (en) | 2021-11-30 |
| CN113719604B CN113719604B (en) | 2023-10-13 |
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Also Published As
| Publication number | Publication date |
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| CN113719604B (en) | 2023-10-13 |
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