CN104455356A - Lubricating oil way for gearbox - Google Patents
Lubricating oil way for gearbox Download PDFInfo
- Publication number
- CN104455356A CN104455356A CN201410682754.XA CN201410682754A CN104455356A CN 104455356 A CN104455356 A CN 104455356A CN 201410682754 A CN201410682754 A CN 201410682754A CN 104455356 A CN104455356 A CN 104455356A
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- China
- Prior art keywords
- gearbox
- oil
- sun gear
- lubricating oil
- hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
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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
-
- 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
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
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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 a lubricating oil way for a gearbox. The lubricating oil way comprises a first lubricating oil way body, a second lubricating oil way body, a third lubricating oil way body, a fourth lubricating oil way body and a fifth lubricating oil way body which are used for lubricating different components in the gearbox respectively. According to the lubricating oil way for the gearbox, new oil supply ways are additionally arranged special for the different components in the gearbox, the components are not just lubricated through oil supply holes of a transmission shaft any more, lubricating oil can sufficiently flow into the gearbox, and therefore the whole gearbox is fully lubricated.
Description
Technical field
The present invention relates to gearbox technical field, more particularly, relate to a kind of lubricating oil path of gearbox.
Background technique
Gearbox is the indispensable part of normal vehicle operation, and gearbox operationally needs lubricant oil to lubricate parts multiple in gearbox, therefore gearbox needs to arrange many lubricating oil paties.
In gearbox, transmission shaft and the multiple parts around laid thereof, such as clutch, bearing and gear etc. all need the lubrication of lubricant oil.In the prior art, the lubricating system of transmission shaft and its peripheral parts, on the housing of gearbox, get the special through hole for transmission shaft fuel feeding (follow-up be called oil supply hole), using the circulation path as lubricant oil, lubricant oil is lubricated power input shaft, after power input shaft has lubricated, the gap of lubricant oil again between parts flow to the installation position of miscellaneous part, thus need the parts of lubrication to realize lubrication to other, that is the lubrication of transmission shaft peripheral parts realizes by the oil supply hole of transmission shaft.But, because this kind of lubricating system is not to transmission shaft peripheral parts DFF Direct Fuel Feed lubrication, so the situation that clutch lubrication often can be caused insufficient occurs.
Therefore, how realizing the entirety lubrication of transmission internal part more fully, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of clutch lubrication oil circuit of gearbox, it can realize the lubrication to parts each in gearbox more fully.
In order to achieve the above object, the invention provides following technological scheme:
A lubricating oil path for gearbox, it comprises the first lubricating oil path, the second lubricating oil road, the 3rd lubricating oil path, the 4th lubricating oil path and the 5th lubricating oil path, wherein:
Described first lubricating oil path comprises: be opened on the main casing of gearbox, allows lubricant oil to flow to the first oil supply hole of the installation position of clutch shaft bearing; Be opened on described main casing, and be positioned at the oil supply hole that the first supporting base of described gearbox inner support first transmission shaft is offered and be communicated with, with the second oil supply hole allowing lubricant oil to flow to the second bearing and the 3rd bearing; In the first gear being opened in described gearbox on hub, with the first gear oil supply hole of the first resetting piston and first clutch installation position that lubricant oil are guided to described gearbox;
Described second lubricating oil path comprises: be opened on the main casing of gearbox, allows lubricant oil to flow to the 3rd oil supply hole of the installation position of the 4th bearing; Be opened on described main casing, and be positioned at two oil supply holes that the second supporting base of described gearbox inner support second driving shaft is offered and be communicated with, with the 4th oil supply hole allowing lubricant oil to flow to the 5th bearing; In the second gear being opened in described gearbox on hub, the lubricant oil by described 4th oil supply hole to be guided to the second gear oil supply hole of the second resetting piston of described gearbox, second clutch and the 6th axle bearing mount portion position;
Described 3rd lubricating oil path comprises: be opened on the intermediate clapboard of described gearbox, lubricant oil can be guided to the dividing plate oil supply of described gearbox internal partition back shaft mounting point; Be opened on described membrane support axle, be communicated with described dividing plate oil supply, lubricant oil to be guided to the back shaft oil supply hole of the 17 axle bearing mount portion position; Be opened on described membrane support axle, the oil guide slot be communicated with described supporting axle oil supply hole; Be opened on described membrane support axle, the intercommunicating pore be communicated with described oil guide slot; Be opened on the 5th gear in described gearbox, be communicated with described intercommunicating pore, respectively lubricant oil to be guided to two the 5th gear oil supply holes of the installation position being arranged on the 3rd clutch in described gearbox and the 3rd resetting piston;
Described 4th lubricating oil path comprises: radial direction runs through the sidewall of oil inlet pipe in described gearbox, with the first through hole allowing the lubricant oil in described oil inlet pipe to flow to the 7th bearing, the 8th bearing and the 9th axle bearing mount portion position; Radial direction runs through the sidewall of oil inlet pipe in described gearbox, with the second through hole allowing the lubricant oil in described oil inlet pipe to flow to the tenth axle bearing mount portion position; Run through sun gear first oilhole of the center hole sidewall of the second sun gear in described gearbox; Be opened in the first row carrier in described gearbox, and be communicated with described sun gear first oilhole, with the lubricant oil that will enter into through described oil inlet pipe in the center hole of described second sun gear, cause in the oil channel hole of described gearbox inferior planet wheel shaft, and continue planet carrier first oilhole flowing to the 11 axle bearing mount portion position; Run through sun gear second oilhole of the center hole sidewall of described second sun gear in described gearbox; Be opened in described the first row carrier, be communicated with described sun gear second oilhole, the lubricant oil in the center hole of described second sun gear to be guided to planet carrier second oilhole of the 12 axle bearing mount portion position; Run through sun gear the 3rd oilhole of the center hole sidewall of the second sun gear in described gearbox; Be opened in described the first row carrier, be communicated with described sun gear the 3rd oilhole, the lubricant oil in described second sun gear center hole to be guided to planet carrier the 3rd oilhole of the 13 axle bearing mount portion position; Run through sun gear the 4th oilhole of the center hole sidewall of the second sun gear in described gearbox; Be opened on described intermediate clapboard, be communicated with described sun gear the 4th oilhole, the lubricant oil in described second sun gear center hole to be guided to the groove of the 14 axle bearing mount portion position; Be communicated with described groove, with the bulkhead through-hole making the lubricant oil in described groove flow to the 15 bearing; Run through the center hole sidewall of the second sun gear in described gearbox, and bottom the center hole being positioned at described second sun gear, the lubricant oil in the center hole of described second sun gear to be guided to sun gear the 5th oilhole at described the first row carrier and the second planet carrier engagement position;
Described 5th lubricating oil path comprises: be opened on described gearbox inner stator axle, the lubricant oil in described main casing can be caused the stator axis through hole of the 16 axle bearing mount portion position; Be opened on the interior hub of the four clutches in described gearbox, be communicated with described stator axis through hole, so that the lubricant oil in described stator axis through hole is guided to hub through hole in described four clutches installation position.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, described first lubricating oil path also comprises:
Through being arranged on the lubricant oil of the first through hole bolt on described first supporting base, by the axis hole on described first transmission shaft, enter into the gap between described first transmission shaft and the first sun gear, and the branch road lubricating oil path formed by the oil supply hole be opened on described first sun gear;
Be communicated with described branch road lubricating oil path, through the second intercommunicating pore be opened on described membrane support axle, with the first branch path lubricating oil path to described 18 bearing lubrication;
Be communicated with described branch road lubricating oil path, the gap between described first sun gear and described membrane support axle, to the second branch path lubricating oil path that the 4th gear lubricates.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, described second lubricating oil path also comprises: on described main casing and described second supporting base, allow the lubricant oil in the second through hole bolt of described gearbox to flow to the 3rd gear oil supply hole of the planet wheel of described gearbox and the installation position of gear ring.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, described first gear oil supply hole is the straight hole vertically offered.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, being arranged on the intercommunicating pore that the described membrane support axle in described gearbox is arranged, is the through hole vertically arranged; Described oil guide slot is horizontally set on described membrane support axle, and axially extends along it on described membrane support axle.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, described dividing plate oil supply comprises:
There is top opening, and be horizontally set on the poroid horizontal segment on described intermediate clapboard;
Be communicated with described poroid horizontal segment, be arranged on the poroid vertical section of described intermediate clapboard inside;
Be communicated with described poroid vertical section, be arranged on described intermediate clapboard inner, and the channel-shaped tilting section be communicated with described oil guide slot.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, also comprise sun gear the 6th oilhole of the center hole sidewall running through sun gear in described gearbox; Be opened in described the first row carrier, be communicated with described sun gear the 6th oilhole, the lubricant oil in described sun gear center hole to be guided to planet carrier the 4th oilhole of the 13 axle bearing mount portion position.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, be opened in described sun gear first oilhole on the center hole sidewall of described sun gear, described sun gear second oilhole, described sun gear the 3rd oilhole, described sun gear the 4th oilhole, described sun gear the 5th oilhole and described sun gear the 6th oilhole all to be arranged in parallel, and its axis is all positioned at same plane.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, also be provided with oil pump, oil cooler, flow control valve, cooling unit and oil sump in lubricating oil path, wherein, described flow control valve controls the flow of lubrication in the flow of described fuel pump outlet and lubricating oil path.
Preferably, in the clutch lubrication oil circuit of above-mentioned gearbox, the control mode of described flow control valve is:
FS＝P1*△S+P2*S1
Wherein, FS is the pressure of return spring in described flow control valve;
P1 is the pressure of described fuel pump outlet;
△ S is the useful area of P1 pressure effect;
P2 is lubricating oil path pressure;
S is the useful area of P2 pressure effect.
In the clutch lubrication oil circuit of gearbox provided by the invention, set up new fuel supply path wherein, i.e. the first lubricating oil path, the second lubricating oil road, the 3rd lubricating oil path, the 4th lubricating oil path and the 5th lubricating oil path.Wherein, in first lubricating oil path, by arranging the first oil supply hole and the second oil supply hole on a main housing, first supporting base of support first transmission shaft is offered an oil supply hole, in the first gear, hub is offered the first gear oil supply hole, lubricant oil is made to have more circulation path, with special and lubricate with hub, the first resetting piston and first clutch in the clutch shaft bearing of the first transmission shaft cooperating, the second bearing, the 3rd bearing, gear fully, in second lubricating oil path, by offering the 3rd oil supply hole, the 4th oil supply hole on a main housing, second supporting base of support second transmission main shaft is offered two oil supply holes, the the second gear oil supply hole in the second gear, hub offered and the 3rd gear oil supply hole, lubricant oil is made to have more circulation path, with special and lubricate with hub, the second resetting piston, second clutch and the 6th bearing in the 4th bearing of second driving shaft cooperating, the 5th bearing, the second gear fully, in 3rd lubricating oil path, by offering dividing plate oil supply on intermediate clapboard, dividing plate supporting axle is offered back shaft oil supply hole, oil guide slot and intercommunicating pore, on the 5th gear, offers the 5th gear oil supply hole, lubricant oil is made to have more circulation path, with special and lubricate dividing plate supporting axle, the 17 bearing and the 3rd clutch fully, in 4th lubricating oil path, oil inlet pipe has been offered the first through hole and the second through hole, the center hole sidewall of sun gear has been offered sun gear first oilhole, sun gear second oilhole, sun gear the 3rd oilhole, sun gear the 4th oilhole, sun gear the 5th oilhole, and planet carrier first oilhole be opened on planet carrier, planet carrier second oilhole, planet carrier the 3rd oilhole, be opened in the groove on intermediate clapboard, bulkhead through-hole, lubricant oil is made to have more circulation path, with special and fully to the 7th bearing with second driving shaft cooperating, 8th bearing, 9th bearing, tenth bearing, the first row carrier, planet wheel shaft, 11 bearing, sun gear, 12 bearing, 13 bearing, 14 bearing and the second planet carrier lubricate, in the 5th lubricating oil path, by arranging stator axis through hole in stator axis, in four clutches, hub is offered interior hub through hole, make lubricant oil have more circulation path, with special and lubricate stator axis, the 16 bearing and four clutches fully.The clutch lubrication oil circuit of gearbox provided by the invention, many new fuel supply paths have been set up for the different parts in gearbox, make multiple parts no longer by the oil supply hole of power input shaft, in all parts flowing in gearbox making that lubricant oil can be more sufficient, whole gearbox is lubricated more fully.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The schematic diagram of the first lubricating oil path in the lubricating oil path of the gearbox that Fig. 1 embodiment of the present invention provides;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the schematic diagram of the second lubricating oil path;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the schematic diagram of the 3rd lubricating oil path;
Fig. 6 is the partial enlarged drawing of Fig. 5;
Fig. 7 is the schematic diagram of the 4th lubricating oil path;
Fig. 8 is the partial enlarged drawing of Fig. 7;
Fig. 9 is the schematic diagram of the 5th lubricating oil path;
Figure 10 is the partial enlarged drawing of Fig. 9;
The principle schematic of the oil pumping system of the lubricating oil path of the gearbox that Figure 11 provides for the embodiment of the present invention.
Embodiment
The invention provides a kind of clutch lubrication oil circuit of gearbox, it can realize the lubrication to parts each in gearbox more fully.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In the present embodiment, for the ease of distinguishing, the lines indicating oil circuit in figure are adopted represented by dashed line.
As shown in Fig. 1-Figure 10, the lubricating oil path of the gearbox that the embodiment of the present invention provides, it comprises the first lubricating oil path, the second lubricating oil road, the 3rd lubricating oil path, the 4th lubricating oil path and the 5th lubricating oil path, wherein:
First lubricating oil path comprises: be opened on the main casing of gearbox, allows lubricant oil to flow to the first oil supply hole of the installation position of clutch shaft bearing (this clutch shaft bearing is the deep groove ball bearing outside the supporting base of the first transmission shaft being arranged on gearbox); Offer on a main housing, be arranged in parallel with the first oil supply hole, and be communicated with the oil supply hole that the first supporting base being positioned at gearbox inner support first transmission shaft (i.e. input shaft) is offered, with the second oil supply hole allowing lubricant oil to flow to the second bearing and the 3rd bearing; In the first gear being opened in gearbox on hub, with the first gear oil supply hole of the first resetting piston and first clutch installation position that lubricant oil are guided to described gearbox.
As depicted in figs. 1 and 2, above-mentioned first lubricating oil path is specially:
1) on main casing 1, offer the first oil supply hole and the second oil supply hole, make it be communicated with original oil supply hole in main casing 1, thus make lubricant oil can flow to smoothly in the first oil supply hole and the second oil supply hole.When lubricant oil is by the first oil supply hole, when namely forming lubricating oil path L-1, can realize being arranged on outside the first supporting base 2, and the lubrication of the deep groove ball bearing 3 (i.e. clutch shaft bearing) to support hub 4 in the first gear is set near main casing;
2) oil supply hole the second oil supply hole and the first supporting base 2 offered forms oil circuit L-2, this oil circuit realizes the lubrication to the deep groove ball bearing 5 (i.e. the second bearing) of hub 4 in support first gear and the deep groove ball bearing 7 (i.e. the 3rd bearing) of support sun gear 6 by point oil circuit L-8, and this point of oil circuit L-8 is formed by the gap in the first supporting base 2 and the first gear between hub 4.The the first gear oil supply hole 8 be opened in the first gear on hub 4 forms another point of oil circuit L-3, realizes the lubrication to resetting piston 9.And after the lubricant oil of this point of oil circuit L-3 arrives resetting piston 9, the gap also can be passed through in this resetting piston 9 and the first gear between hub 4 forms oil circuit L-4, and by hub through hole 13 in first on hub in first clutch, to realize lubrication to the friction plate of first clutch and steel disc 10;
3) the original oil supply hole on main casing 1 is communicated with the oil supply hole on the first through hole bolt 11, and lubricant oil forms oil circuit L-7 by the first through hole bolt 11, and is divided into two branch roads, i.e. L-9 and L-10 at the end of the first through hole bolt 11.Wherein, branch road L-9 flows to the opposite side of deep groove ball bearing 7 (i.e. the 3rd bearing) by the gap between the first through hole bolt 11, first supporting base 2 and the first transmission shaft 12, and is realized the friction plate of first clutch opposite side and the lubrication of steel disc by hub through hole in second on hub in first clutch;
4) lubricant oil of branch road L-10 (the branch road lubricating oil path namely in claim 2 in first lubricating oil path) is flowed through through the axis hole on the first sun gear 6, first transmission shaft 12, by the gap between the first sun gear 6 and the first transmission shaft 12 and be opened in the oil supply hole on described first sun gear 6, the second intercommunicating pore 50 be opened on membrane support axle 24, flow to and arrange near intermediate clapboard, in order to support the installation position of the 18 bearing 14 of four clutches 52, form the first branch path lubricating oil path L-5, to lubricate the 18 bearing 14; Lubricant oil is by after the oil supply hole on the first sun gear, gap between the first sun gear 6 and membrane support axle 24, flow to the installation position of the 4th gear 51, form the second branch path lubricating oil path L-6, to lubricate four clutches 52 and the 4th gear 51.
Second lubricating oil path comprises: be opened on the main casing of gearbox, allows lubricant oil to flow to the 3rd oil supply hole of the installation position of the 4th bearing (the 4th bearing is the deep groove ball bearing outside the supporting base of the second driving shaft being arranged on gearbox); Offer on a main housing, be arranged in parallel with the 3rd oil supply hole, and be communicated with two oil supply holes that the second supporting base being positioned at gearbox inner support second driving shaft (i.e. transaxle) is offered, with the 4th oil supply hole allowing lubricant oil to flow to the 5th bearing; In the second gear being opened in gearbox on hub, the lubricant oil by the 4th oil supply hole to be guided to the second gear oil supply hole of the second resetting piston of gearbox, second clutch and the 6th axle bearing mount portion position; To be opened in the second gear on hub, the lubricant oil through the second through hole bolt (this second through hole bolt is the end being positioned at second driving shaft, and the through hole bolt coaxially arranged with second driving shaft) of gearbox is allowed to flow to the 3rd gear oil supply hole of the planet wheel of gearbox and the installation position of gear ring;
As shown in Figure 3 and Figure 4, above-mentioned second lubricating oil path is specially:
1) on main casing 1, offer the 3rd oil supply hole and the 4th oil supply hole, make it be communicated with original oil supply hole in main casing 1, thus make lubricant oil can flow to smoothly in the 3rd oil supply hole and the 4th oil supply hole.When lubricant oil is by the 3rd oil supply hole, when namely forming lubricating oil path L-11, can realize being arranged on outside the second supporting base 15, and the lubrication of the deep groove ball bearing 16 (i.e. the 4th bearing) supporting hub in the second gear is set near main casing 1;
2) two oil supply holes the 4th oil supply hole and the second supporting base 15 offered form oil circuit L-12, this oil circuit realizes the lubrication to the deep groove ball bearing 17 (i.e. the 5th bearing) of hub 56 in support second gear by point oil circuit L-13, lubricant oil forms oil circuit L-14 by the second gear oil supply hole 18 be opened in the second gear on hub 56 afterwards, lubricant oil is made to flow to the second resetting piston 54, and oil circuit L-14 is after the second resetting piston, flow through gap in the second resetting piston and the second gear between hub 56, thus form oil circuit L-15 and L-18, wherein oil circuit L-15 makes lubricant oil be lubricated second clutch by the oil supply hole on hub in second clutch 53, lubricant oil in oil circuit L-18 then lubricates the 6th bearing 19 supporting second clutch,
3) lubricant oil original oil supply hole on main casing 1, enter in the second through hole bolt 20, form oil circuit L-16, lubricant oil is after the second through hole bolt 20, form oil circuit L-17 by hub through hole on hub 56 in the second gear, realize lubricating gear ring 21 and planet wheel 22.
3rd lubricating oil path comprises: be opened on the intermediate clapboard of gearbox, lubricant oil can be guided to the dividing plate oil supply of gearbox internal partition back shaft mounting point; Be opened on membrane support axle, be communicated with dividing plate oil supply, lubricant oil to be guided to the back shaft oil supply hole of the 17 axle bearing mount portion position; Be opened on membrane support axle, the oil guide slot be communicated with supporting axle oil supply hole; Be opened on membrane support axle, the intercommunicating pore be communicated with oil guide slot; Be opened on the 5th gear 28 in gearbox, be communicated with intercommunicating pore, respectively lubricant oil to be guided to two the 5th gear oil supply holes of the installation position being arranged on the 3rd clutch in gearbox and the 3rd resetting piston.
As shown in Figure 5 and Figure 6, above-mentioned 3rd lubricating oil path is specially:
By main casing 1 to the dividing plate oil supply hole (oil duct on intermediate clapboard on intermediate clapboard 23, a part is poroid, i.e. dividing plate oil supply hole, some is channel-shaped, i.e. dividing plate oil supply, this channel-shaped structure is be decorated with the position of inclined dashed line in Fig. 6) interior fuel feeding, form oil circuit L-18, oil circuit L-18 is communicated with the supporting axle oil supply hole on membrane support axle 24, form oil circuit L-19, L-20, wherein oil circuit L-19 is guided to the installation position of deep groove ball bearing 25 (i.e. the 17 bearing), realize the lubrication to deep groove ball bearing 25, lubricant oil is guided in the oil guide slot 26 be arranged on membrane support axle 24 by another oil circuit L-20, lubricant oil flows through the intercommunicating pore 27 be opened on membrane support axle 24 through oil guide slot, flow to the 5th gear 28, and again form two articles of oil circuit L-21 by two through holes be opened on the 5th gear 28, L-22, wherein oil circuit L-22 is by the through hole on the 4th gear 51, realize the friction plate of the 3rd clutch and the lubrication of steel disc 29, another article of oil circuit L-21 is by after being opened in the through hole on the 5th gear 28, flow to the installation position of the 3rd resetting piston 30, realize the lubrication to the 3rd resetting piston 30.
4th lubricating oil path comprises: radial direction runs through the sidewall of oil inlet pipe in gearbox, with the first through hole allowing the lubricant oil in oil inlet pipe to flow to the 7th bearing, the 8th bearing and the 9th axle bearing mount portion position; Radial direction runs through the sidewall of oil inlet pipe in gearbox, with the second through hole allowing the lubricant oil in oil inlet pipe to flow to the tenth axle bearing mount portion position; Run through sun gear first oilhole of the center hole sidewall of the second sun gear in gearbox; Be opened in the first row carrier in gearbox, and be communicated with sun gear first oilhole, with the lubricant oil that will enter into through oil inlet pipe in the second sun gear center hole, cause in the oil channel hole of gearbox inferior planet wheel shaft, and continue planet carrier first oilhole flowing to the 11 axle bearing mount portion position; Run through sun gear second oilhole of the center hole sidewall of the second sun gear in gearbox; Be opened in the first row carrier, be communicated with sun gear second oilhole, the lubricant oil in the second sun gear center hole to be guided to planet carrier second oilhole of the 12 axle bearing mount portion position; Run through sun gear the 3rd oilhole of the center hole sidewall of the second sun gear in gearbox; Be opened in the first row carrier, be communicated with sun gear the 3rd oilhole, the lubricant oil in the second sun gear center hole to be guided to planet carrier the 3rd oilhole of the 13 axle bearing mount portion position; Run through sun gear the 4th oilhole of the center hole sidewall of the second sun gear in gearbox; Be opened on intermediate clapboard, be communicated with sun gear the 4th oilhole, the lubricant oil in the second sun gear center hole to be guided to the groove of the 14 axle bearing mount portion position; Be communicated with described groove, with the bulkhead through-hole making the lubricant oil in groove flow to the 15 bearing; Run through the center hole sidewall of the second sun gear in gearbox, and be positioned at bottom the second sun gear center hole, the lubricant oil in the second sun gear center hole to be guided to sun gear the 5th oilhole at the first row carrier and the second planet carrier engagement position;
As shown in Figure 7 and Figure 8, above-mentioned 4th lubricating oil path is specially:
By converter cover 31 to oil inlet pipe 32 fuel feeding, form oil circuit L-23, oil circuit L-23 passes through three through holes (the first through hole, the second through hole and the port be communicated with the second sun gear center hole) of oil inlet pipe 32, to form three oil circuits L-24, L-25, L-26 respectively.Wherein oil circuit L-24 is flowed to the installation position of thrust bearing 34 (i.e. the 7th bearing), roller bearing 35 (i.e. the 8th bearing) by the gap between main reduction gear 33 and oil inlet pipe 32 by warp after oil inlet pipe 32, realizes the lubrication of double thrust bearing 34, roller bearing 35; Lubricant oil in oil circuit L-25, after the second through hole of oil inlet pipe 32, realizes the lubrication to thrust bearing 36; Lubricating oil path L-26 flows in the center hole of the second sun gear 37 by the port of oil inlet pipe 32, second sun gear center hole sidewall offers six through holes (being respectively sun gear first oilhole, sun gear second oilhole, sun gear the 3rd oilhole, sun gear the 4th oilhole, sun gear the 5th oilhole and sun gear the 6th oilhole), form six lubricating oil paties L-27, L-29, L-31, L-30, L-34 and L-35.Wherein lubricating oil path L-27 is by after sun gear first oilhole, the oil channel hole formation oil circuit L-28 of planet wheel shaft 39 is entered again by planet carrier first oilhole of the first row carrier 38, oil circuit L-28 is by after the oil channel hole of planet wheel shaft 39, flow to needle bearing 40 (i.e. the 11 bearing), realize the lubrication to needle bearing 40, lubricating oil path L-29 by after sun gear second oilhole, then arrives the installation position of the 12 bearing 42 by planet carrier second oilhole, realize the lubrication to the 12 bearing 42, oil circuit L-31 by entering the oil channel hole of planet carrier 38 after sun gear third through-hole through planet carrier the 3rd oilhole, and then continues the installation position arriving angular contact bearing 41 (i.e. the 13 bearing), realizes the lubrication of angular contact bearings 41, oil circuit L-34 is by sun gear the 4th oilhole, after the oilhole of the first row carrier 38, (intermediate clapboard 45 is herein same intermediate clapboard with intermediate clapboard 23 above with intermediate clapboard 45, the different parts of what different labels represented is intermediate clapboard) groove be communicated with, lubricant oil is divided into 2 oil circuit L-32 and L-33 after entering the groove of intermediate clapboard, wherein oil circuit L-32 flows to needle bearing 43 (i.e. the 14 bearing) via the groove of intermediate clapboard, realize the lubrication to needle bearing 43, lubricating oil path L-33 is by oil circuit L-34, groove and the bulkhead through-hole be opened in groove are formed, lubricating oil path L-33 flows through deep groove ball bearing 44 (i.e. the 15 bearing), realize the lubrication to deep groove ball bearing 44, lubricating oil path L-35, by after sun gear the 5th oilhole, enters the second planet carrier 55 and the engagement place of the first row carrier 38, realizes the lubrication to the second planet carrier 55 and the first row carrier 38.
5th lubricating oil path comprises: be opened on gearbox inner stator axle, the lubricant oil in main casing can be caused the stator axis through hole of the 16 axle bearing mount portion position; Be opened on the interior hub of the 5th clutch in gearbox, be communicated with stator axis through hole, so that the lubricant oil in stator axis through hole is guided to hub through hole in the 5th clutch installation position.
As shown in Figure 9 and Figure 10, above-mentioned 5th lubricating oil path is specially:
By main casing 1 to stator axis 46 fuel feeding, form oil circuit L-36, flow through deep groove ball bearing 47 (the 16 bearing) and form lubricating oil path L-37 during the stator axis through hole of oil circuit L-36 by stator axis 46, lubricating oil path L-37 by being opened in the 5th clutch in steel disc and friction plate 49 that on hub 48, hub through hole enters the 5th clutch, thus realizes deep groove ball bearing 47, the steel disc of the 5th clutch and the lubrication of friction plate 49.
Concrete, the first gear oil supply hole is the straight hole vertically offered.This kind of set-up mode is the best set-up mode being comparatively applicable to gearbox designs.Further, same preferably oil guide slot is horizontally set on membrane support axle, and axially extends along it on membrane support axle.
Preferably, being arranged on the intercommunicating pore that the membrane support axle in gearbox is arranged, is the through hole vertically arranged.
Further, in the present embodiment, dividing plate oil supply comprises:
There is top opening, and be horizontally set on the poroid horizontal segment on intermediate clapboard;
Be communicated with poroid horizontal segment, be arranged on the poroid vertical section of intermediate clapboard inside;
Be communicated with poroid vertical section, be arranged on intermediate clapboard inside, and the channel-shaped tilting section be communicated with oil guide slot 26.
In the present embodiment, the 4th lubricating oil path also comprises sun gear the 6th oilhole of the center hole sidewall running through the second sun gear in gearbox; Be opened in the first row carrier, be communicated with sun gear the 6th oilhole, so that the lubricant oil in sun gear center hole is guided to the 13 axle bearing mount portion position, thus form planet carrier the 4th oilhole of oil circuit L-30.Oil circuit L-30, by after sun gear the 6th oilhole, then through the oil channel hole of planet wheel shaft 38, and then continues the installation position reaching needle bearing 43 (i.e. the 13 bearing), realizes the lubrication to needle bearing 43.
Concrete, be opened in sun gear first oilhole on the center hole sidewall of sun gear, sun gear second oilhole, sun gear the 3rd oilhole, sun gear the 4th oilhole, sun gear the 5th oilhole and sun gear the 6th oilhole all to be arranged in parallel, and its axis is all positioned at same plane.
In the present embodiment, in the oil pumping system of the lubricating oil path of gearbox, be provided with oil cooler 101, flow control valve 102, cooling unit 103, oil sump 104, as shown in figure 11.Flow control valve 102 controls fuel pump outlet flow (comprising the lubrication flow in lubricating oil path), and flow control valve 102 is controlled by oil pump flow and lubrication flow.
Governing equation is: FS=P1* △ S+P2*S1
Wherein FS: be the return spring of flow control valve
P1: be fuel pump outlet pressure (oil circuit 1,2)
△ S: be the useful area of P1 pressure effect
P2: be lubricating oil path pressure (oil circuit 4,5)
S: be the useful area of P2 pressure effect
As FS<P1* △ S+P2*S1, flow control valve is opened, and vents unnecessary flow by oil circuit 3, FS>P1* △ S+P2*S1, and flow control valve cuts out, and can improve the flow in hydraulic system and lubrication system.By above-mentioned control, can ensure that lubrication flow is stabilized in certain scope.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a lubricating oil path for gearbox, is characterized in that, comprises the first lubricating oil path, the second lubricating oil road, the 3rd lubricating oil path, the 4th lubricating oil path and the 5th lubricating oil path, wherein:
Described first lubricating oil path comprises: be opened on the main casing of gearbox, allows lubricant oil to flow to the first oil supply hole of the installation position of clutch shaft bearing; Be opened on described main casing, and be positioned at the oil supply hole that the first supporting base of described gearbox inner support first transmission shaft is offered and be communicated with, with the second oil supply hole allowing lubricant oil to flow to the second bearing and the 3rd bearing; In the first gear being opened in described gearbox on hub, with the first gear oil supply hole of the first resetting piston and first clutch installation position that lubricant oil are guided to described gearbox;
Described second lubricating oil path comprises: be opened on the main casing of gearbox, allows lubricant oil to flow to the 3rd oil supply hole of the installation position of the 4th bearing; Be opened on described main casing, and be positioned at two oil supply holes that the second supporting base of described gearbox inner support second driving shaft is offered and be communicated with, with the 4th oil supply hole allowing lubricant oil to flow to the 5th bearing; In the second gear being opened in described gearbox on hub, the lubricant oil by described 4th oil supply hole to be guided to the second gear oil supply hole of the second resetting piston of described gearbox, second clutch and the 6th axle bearing mount portion position;
Described 3rd lubricating oil path comprises: be opened on the intermediate clapboard of described gearbox, lubricant oil can be guided to the dividing plate oil supply of described gearbox internal partition back shaft mounting point; Be opened on described membrane support axle, be communicated with described dividing plate oil supply, lubricant oil to be guided to the back shaft oil supply hole of the 17 axle bearing mount portion position; Be opened on described membrane support axle, the oil guide slot be communicated with described supporting axle oil supply hole; Be opened on described membrane support axle, the intercommunicating pore be communicated with described oil guide slot; Be opened on the 5th gear in described gearbox, be communicated with described intercommunicating pore, respectively lubricant oil to be guided to two the 5th gear oil supply holes of the installation position being arranged on the 3rd clutch in described gearbox and the 3rd resetting piston;
Described 4th lubricating oil path comprises: radial direction runs through the sidewall of oil inlet pipe in described gearbox, with the first through hole allowing the lubricant oil in described oil inlet pipe to flow to the 7th bearing, the 8th bearing and the 9th axle bearing mount portion position; Radial direction runs through the sidewall of oil inlet pipe in described gearbox, with the second through hole allowing the lubricant oil in described oil inlet pipe to flow to the tenth axle bearing mount portion position; Run through sun gear first oilhole of the center hole sidewall of the second sun gear in described gearbox; Be opened in the first row carrier in described gearbox, and be communicated with described sun gear first oilhole, with the lubricant oil that will enter into through described oil inlet pipe in the center hole of described second sun gear, cause in the oil channel hole of described gearbox inferior planet wheel shaft, and continue planet carrier first oilhole flowing to the 11 axle bearing mount portion position; Run through sun gear second oilhole of the center hole sidewall of described second sun gear in described gearbox; Be opened in described the first row carrier, be communicated with described sun gear second oilhole, the lubricant oil in the center hole of described second sun gear to be guided to planet carrier second oilhole of the 12 axle bearing mount portion position; Run through sun gear the 3rd oilhole of the center hole sidewall of described second sun gear in described gearbox; Be opened in described the first row carrier, be communicated with described sun gear the 3rd oilhole, the lubricant oil in the center hole of described second sun gear to be guided to planet carrier the 3rd oilhole of the 13 axle bearing mount portion position; Run through sun gear the 4th oilhole of the center hole sidewall of described second sun gear in described gearbox; Be opened on described intermediate clapboard, be communicated with described sun gear the 4th oilhole, the lubricant oil in the center hole of described second sun gear to be guided to the groove of the 14 axle bearing mount portion position; Be communicated with described groove, with the bulkhead through-hole making the lubricant oil in described groove flow to the 15 bearing; Run through the center hole sidewall of described second sun gear in described gearbox, and bottom the center hole being positioned at described second sun gear, the lubricant oil in the center hole of described second sun gear to be guided to sun gear the 5th oilhole at described the first row carrier and the second planet carrier engagement position;
Described 5th lubricating oil path comprises: be opened on described gearbox inner stator axle, the lubricant oil in described main casing can be caused the stator axis through hole of the 16 axle bearing mount portion position; Be opened on the interior hub of the 5th clutch in described gearbox, be communicated with described stator axis through hole, so that the lubricant oil in described stator axis through hole is guided to hub through hole in described 5th clutch installation position.
2. the lubricating oil path of gearbox according to claim 1, is characterized in that, described first lubricating oil path also comprises:
Through being arranged on the lubricant oil of the first through hole bolt on described first supporting base, by the axis hole on described first transmission shaft, enter into the gap between described first transmission shaft and the first sun gear, and the branch road lubricating oil path formed by the oil supply hole be opened on described first sun gear;
Be communicated with described branch road lubricating oil path, through the second intercommunicating pore be opened on described membrane support axle, with the first branch path lubricating oil path to described 18 bearing lubrication;
Be communicated with described branch road lubricating oil path, the gap between described first sun gear and described membrane support axle, and by the second branch path lubricating oil path that the through hole on the 4th gear lubricates four clutches.
3. the lubricating oil path of gearbox according to claim 1, it is characterized in that, described second lubricating oil path also comprises: be opened on described main casing and described second supporting base, allows the lubricant oil in the second through hole bolt of described gearbox to flow to the 3rd gear oil supply hole of the planet wheel of described gearbox and the installation position of gear ring.
4. the lubricating oil path of gearbox according to claim 1, is characterized in that, described first gear oil supply hole is the straight hole vertically offered.
5. the lubricating oil path of gearbox according to claim 1, is characterized in that, is arranged on the intercommunicating pore that the described membrane support axle in described gearbox is arranged, and is the through hole vertically arranged; Described oil guide slot is horizontally set on described membrane support axle, and axially extends along it on described membrane support axle.
6. the lubricating oil path of gearbox according to claim 5, is characterized in that, described dividing plate oil supply comprises:
There is top opening, and be horizontally set on the poroid horizontal segment on described intermediate clapboard;
Be communicated with described poroid horizontal segment, be arranged on the poroid vertical section of described intermediate clapboard inside;
Be communicated with described poroid vertical section, be arranged on described intermediate clapboard inner, and the channel-shaped tilting section be communicated with described oil guide slot.
7. the lubricating oil path of gearbox according to claim 1, is characterized in that, also comprises sun gear the 6th oilhole of the center hole sidewall running through the second sun gear in described gearbox; Be opened in described the first row carrier, be communicated with described sun gear the 6th oilhole, the lubricant oil in described sun gear center hole to be guided to planet carrier the 4th oilhole of the 13 axle bearing mount portion position.
8. the lubricating oil path of gearbox according to claim 7, it is characterized in that, be opened in described sun gear first oilhole on the center hole sidewall of described sun gear, described sun gear second oilhole, described sun gear the 3rd oilhole, described sun gear the 4th oilhole, described sun gear the 5th oilhole and described sun gear the 6th oilhole all to be arranged in parallel, and its axis is all positioned at same plane.
9. according to the lubricating oil path of the gearbox in claim 1-8 described in any one, it is characterized in that, oil pump, oil cooler, flow control valve, cooling unit and oil sump is also provided with in lubricating oil path, wherein, described flow control valve controls the flow of lubrication in the flow of described fuel pump outlet and lubricating oil path.
10. the lubricating oil path of gearbox according to claim 9, is characterized in that, the control mode of described flow control valve is:
FS＝P1*△S+P2*S1
Wherein, FS is the pressure of return spring in described flow control valve;
P1 is the pressure of described fuel pump outlet;
△ S is the useful area of P1 pressure effect;
P2 is lubricating oil path pressure;
S is the useful area of P2 pressure effect.
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| CN201410682754.XA CN104455356B (en) | 2014-11-24 | 2014-11-24 | A kind of lubricant passage way of change speed gear box |
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| CN201410682754.XA CN104455356B (en) | 2014-11-24 | 2014-11-24 | A kind of lubricant passage way of change speed gear box |
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| CN104455356B CN104455356B (en) | 2017-04-05 |
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| CN107023643A (en) * | 2015-12-14 | 2017-08-08 | 住友重机械工业株式会社 | Deceleration device series |
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| CN107143644A (en) * | 2016-12-30 | 2017-09-08 | 盛瑞传动股份有限公司 | A kind of gearbox lubricating oil way |
| CN107339409A (en) * | 2016-12-30 | 2017-11-10 | 盛瑞传动股份有限公司 | A kind of gearbox converter cover |
| CN107339404A (en) * | 2016-12-30 | 2017-11-10 | 盛瑞传动股份有限公司 | A kind of gearbox controls oil circuit |
| CN113531097A (en) * | 2020-04-16 | 2021-10-22 | 蜂巢传动科技河北有限公司 | Gearbox housing, derailleur and vehicle |
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| CN107339409B (en) * | 2016-12-30 | 2023-10-31 | 盛瑞传动股份有限公司 | Gearbox torque converter casing |
| CN113531097B (en) * | 2020-04-16 | 2023-02-24 | 蜂巢传动科技河北有限公司 | Gearbox housing, derailleur and vehicle |
| CN113531097A (en) * | 2020-04-16 | 2021-10-22 | 蜂巢传动科技河北有限公司 | Gearbox housing, derailleur and vehicle |
| CN113639033B (en) * | 2021-10-19 | 2022-02-08 | 盛瑞传动股份有限公司 | Gearbox oil circuit system and gearbox |
| CN113639033A (en) * | 2021-10-19 | 2021-11-12 | 盛瑞传动股份有限公司 | Gearbox oil circuit system and gearbox |
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