CN104455356B - A kind of lubricant passage way of change speed gear box - Google Patents

A kind of lubricant passage way of change speed gear box Download PDF

Info

Publication number
CN104455356B
CN104455356B CN201410682754.XA CN201410682754A CN104455356B CN 104455356 B CN104455356 B CN 104455356B CN 201410682754 A CN201410682754 A CN 201410682754A CN 104455356 B CN104455356 B CN 104455356B
Authority
CN
China
Prior art keywords
change speed
oil
gear box
hole
speed gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410682754.XA
Other languages
Chinese (zh)
Other versions
CN104455356A (en
Inventor
魏立梅
徐钦娟
张广瀚
宋廷彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengrui Transmission Co Ltd
Original Assignee
Shengrui Transmission Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shengrui Transmission Co Ltd filed Critical Shengrui Transmission Co Ltd
Priority to CN201410682754.XA priority Critical patent/CN104455356B/en
Publication of CN104455356A publication Critical patent/CN104455356A/en
Application granted granted Critical
Publication of CN104455356B publication Critical patent/CN104455356B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/048Type of gearings to be lubricated, cooled or heated
    • F16H57/0482Gearings with gears having orbital motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2700/00Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

This application discloses a kind of clutch lubrication oil circuit of change speed gear box, which includes:The first lubricant passage way, the second lubricating oil road, the 3rd lubricant passage way, the 4th lubricant passage way and the 5th lubricant passage way being lubricated including the different parts being respectively directed in change speed gear box.The lubricant passage way of the change speed gear box that the present invention is provided, new fuel supply path is additionally arranged exclusively for which for parts different in change speed gear box, make oil supplying hole of multiple parts no longer only only by power transmission shaft, make what lubricating oil can be more sufficient to flow in change speed gear box so that change speed gear box lubricate on the whole it is more abundant.

Description

A kind of lubricant passage way of change speed gear box
Technical field
The present invention relates to change speed gear box technical field, more particularly, it relates to a kind of lubricant passage way of change speed gear box.
Background technology
Change speed gear box is the indispensable part of normal vehicle operation, and change speed gear box operationally needs lubricating oil to change speed gear box In multiple parts be lubricated, therefore need to arrange a plurality of lubricant passage way on change speed gear box.
In change speed gear box, multiple parts that power transmission shaft and its surrounding are laid, such as clutch, bearing and gear etc. are required for profit The lubrication of lubricating oil.In the prior art, the lubricating system of power transmission shaft and its peripheral parts, is to get on the housing of change speed gear box specially Door is the through hole (being subsequently referred to as oil supplying hole) of power transmission shaft fuel feeding, using the circulation path as lubricating oil, makes lubricating oil defeated to power Enter axle lubrication, after power input shaft lubrication is completed, gap of the lubricating oil again between part flow to the installation of miscellaneous part Position, so as to realize lubrication to the part of other needs lubrications, that is to say, that the lubrication of power transmission shaft peripheral parts is by transmission What the oil supplying hole of axle was realized.But, as this kind of lubricating system is not that power transmission shaft peripheral parts DFF Direct Fuel Feed is lubricated, so The situation for often causing clutch lubrication insufficient occurs.
Therefore, how more fully to realize the overall lubrication of transmission internal part, be current those skilled in the art urgently Problem to be solved.
The content of the invention
In view of this, the invention provides a kind of clutch lubrication oil circuit of change speed gear box, which more fully can be realized Lubrication to each part in change speed gear box.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of lubricant passage way of change speed gear box, it include the first lubricant passage way, the second lubricant passage way, the 3rd lubricant passage way, Four lubricant passage ways and the 5th lubricant passage way, wherein:
First lubricant passage way includes:It is opened on the main casing of change speed gear box, it is allowed to which lubricating oil flow to clutch shaft bearing First oil supplying hole of installation position;Be opened on the main casing, and with positioned at first power transmission shaft of change speed gear box inner support The oil supplying hole connection opened up on first support base, to allow lubricating oil to flow to the second confession of second bearing and 3rd bearing Oilhole;It is opened in the first gear of the change speed gear box on hub, the first return that lubricating oil is guided to the change speed gear box is lived Plug and the first gear oil supplying hole of first clutch installation position;
Second lubricant passage way includes:It is opened on the main casing of change speed gear box, it is allowed to which lubricating oil flow to fourth bearing 3rd oil supplying hole of installation position;Be opened on the main casing, and with positioned at the change speed gear box inner support second driving shaft The two oil supplying hole connections opened up on second support base, to allow lubricating oil to flow to the 4th oil supplying hole of 5th bearing;It is opened in In the second gear of the change speed gear box on hub, the of the change speed gear box will be guided to by the lubricating oil of the 4th oil supplying hole The second gear oil supplying hole of two resetting pistons, second clutch and 6th bearing installation position;
3rd lubricant passage way includes:It is opened on the central dividing plate of the change speed gear box, can be by lubricating oil water conservancy diversion To the dividing plate oil supply tank of the change speed gear box internal partition support shaft installation site;Be opened on the membrane support axle, with it is described every Plate oil supply tank is connected, and lubricating oil is guided to the support shaft oil supplying hole of the 17th axle bearing mount portion position;It is opened in the dividing plate In support shaft, the oil guide groove connected with the support shaft oil supplying hole;It is opened on the membrane support axle, connects with the oil guide groove The first logical intercommunicating pore;It is opened on the 5th gear in the change speed gear box, connects with first intercommunicating pore, will moistens respectively Lubricating oil is guided to two the 5th teeth of the installation position of the 3rd clutch and the 3rd resetting piston being arranged in the change speed gear box Wheel oil supplying hole;
4th lubricant passage way includes:The side wall of oil inlet pipe in the change speed gear box is extended radially through, to allow the oil-feed Lubricating oil in pipe flows to the first through hole of 7th bearing, 8th bearing and the 9th axle bearing mount portion position;Extend radially through the change The side wall of oil inlet pipe in fast case, to allow the lubricating oil in the oil inlet pipe to flow to the second through hole of the tenth axle bearing mount portion position; Through first oilhole of sun gear of the centre hole side wall of the second sun gear in the change speed gear box;Be opened in the change speed gear box On one planet carrier, and connect with the first oilhole of the sun gear, oil inlet pipe described in Jing is entered into into second sun gear Lubricating oil in centre bore, causes in the oil hole of the change speed gear box expert spider gear shaft, and continues to the installation of the 11st bearing First oilhole of planet carrier at position;In the change speed gear box, the sun gear second of the centre hole side wall of second sun gear is oily Hole;It is opened in the first row carrier, connects with the second oilhole of the sun gear, by the centre bore of second sun gear Interior lubricating oil is guided to second oilhole of planet carrier of the 12nd axle bearing mount portion position;Through the second sun gear in the change speed gear box Centre hole side wall the 3rd oilhole of sun gear;It is opened in the first row carrier, connects with the 3rd oilhole of the sun gear, So that the lubricating oil in the second sun gear centre bore to be guided to the 3rd oilhole of planet carrier of the 13rd axle bearing mount portion position;Pass through Wear the 4th oilhole of sun gear of the centre hole side wall of the second sun gear in the change speed gear box;It is opened on the central dividing plate, with The 4th oilhole of the sun gear is connected, and the lubricating oil in the second sun gear centre bore is guided to the installation of the 14th bearing The groove at position;The groove is connected, so that the lubricating oil in the groove flows to the bulkhead through-hole of the 15th bearing;Through institute The centre hole side wall of the second sun gear in change speed gear box is stated, and positioned at the centre bore bottom of second sun gear, by described Lubricating oil in the centre bore of two sun gears is guided to the sun gear of the first row carrier and the second planet carrier site of engagement Five oilholes;
5th lubricant passage way includes:It is opened on the change speed gear box inner stator axle, can be by the main casing body Lubricating oil causes the stator shaft through-hole of the 16th axle bearing mount portion position;The interior hub of the 4th clutch being opened in the change speed gear box On, connect with the stator shaft through-hole, the lubricating oil in the stator shaft through-hole is guided to into the 4th clutch and is installed The interior hub through hole at position.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, first lubricant passage way also includes:
The lubricating oil of the first through hole bolt through being arranged on first support base, by first power transmission shaft Axis hole, the gap entered between first power transmission shaft and the first sun gear, and by being opened in first sun gear On oil supplying hole and the branch road lubricant passage way that formed;
Connect with the branch road lubricant passage way, through being opened in the second intercommunicating pore on the membrane support axle, with to the First branch path lubricant passage way of 18 bearing lubrication;
Connect with the branch road lubricant passage way, the gap between first sun gear and the membrane support axle, The second branch path lubricant passage way that 4th gear is lubricated.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, second lubricant passage way also includes:The main casing On second support base, it is allowed to which the lubricating oil in the second through hole bolt of the change speed gear box flow to the planet of the change speed gear box 3rd gear oil supplying hole of the installation position of wheel and gear ring.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, the first gear oil supplying hole is vertically to open If straight hole.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, the membrane support in the change speed gear box The first intercommunicating pore arranged on axle, is the through hole for vertically arranging;The oil guide groove is horizontally set on the membrane support It is on axle and axially extending along which on the membrane support axle.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, the dividing plate oil supply tank includes:
With top opening, and it is horizontally set on the poroid horizontal segment on the central dividing plate;
Connect with the poroid horizontal segment, the poroid vertical section being arranged on inside the central dividing plate;
Connect with the poroid vertical section, be arranged on inside the central dividing plate, and the channel-shaped connected with the oil guide groove Tilting section.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, also include in the change speed gear box in sun gear The 6th oilhole of sun gear of heart hole side wall;It is opened in the first row carrier, connects with the 6th oilhole of the sun gear, will Lubricating oil in the sun gear centre bore is guided to the 4th oilhole of planet carrier of the 13rd axle bearing mount portion position.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, it is opened on the centre hole side wall of the sun gear The first oilhole of the sun gear, the second oilhole of the sun gear, the 3rd oilhole of the sun gear, the 4th oilhole of the sun gear, The 5th oilhole of the sun gear and the 6th oilhole of the sun gear be arranged in parallel, and its axis is respectively positioned in same plane.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, oil pump, oil cooler, stream in lubricant passage way, are additionally provided with Control valve, cooling unit and oil sump, wherein, the flow control valve controls the flow and lubricant passage way of the fuel pump outlet In flow of lubrication.
Preferably, in the clutch lubrication oil circuit of above-mentioned change speed gear box, the control mode of the flow control valve is:
FS=P1* △ S+P2*S1
Wherein, FS is the pressure of return spring in the flow control valve;
P1 is the pressure of the fuel pump outlet;
△ S are the effective area of P1 pressure effect;
P2 is lubricant passage way pressure;
S1 is the effective area of P2 pressure effect.
In the clutch lubrication oil circuit of the change speed gear box that the present invention is provided, new fuel supply path, i.e., first are additionally arranged wherein Lubricant passage way, the second lubricant passage way, the 3rd lubricant passage way, the 4th lubricant passage way and the 5th lubricant passage way.Wherein, the first lubricating oil Lu Zhong, by arranging the first oil supplying hole and the second oil supplying hole on a main housing, on the first support base for supporting the first power transmission shaft An oil supplying hole is opened up, first gear oil supplying hole is opened up on hub in first gear, make lubricating oil that there are more circulation paths, With it is special and sufficiently to and the clutch shaft bearing of the first power transmission shaft cooperating, second bearing, 3rd bearing, gear in hub, the One resetting piston and first clutch are lubricated;In second lubricant passage way, by open up on a main housing the 3rd oil supplying hole, Four oil supplying holes, on the second support base for supporting the second transmission main shaft open up two oil supplying holes, are being opened up in second gear on hub Second gear oil supplying hole and the 3rd gear oil supplying hole, make lubricating oil that there are more circulation paths, with special and sufficiently right Hub, the second resetting piston, second clutch in fourth bearing, 5th bearing, second gear with second driving shaft cooperating It is lubricated with 6th bearing;In 3rd lubricant passage way, by dividing plate oil supply tank is opened up on central dividing plate, in membrane support Support shaft oil supplying hole, oil guide groove and the first intercommunicating pore are opened up on axle, the 5th gear oil supplying hole is opened up on the 5th gear, make lubrication Oil has more circulation paths, with special and sufficiently membrane support axle, the 17th bearing and the 3rd clutch are moistened It is sliding;In 4th lubricant passage way, first through hole and the second through hole are opened up on oil inlet pipe, opened on the centre hole side wall of sun gear If the first oilhole of sun gear, the second oilhole of sun gear, the 3rd oilhole of sun gear, the 4th oilhole of sun gear, sun gear the 5th are oily Hole, and the first oilhole of planet carrier in planet carrier, the second oilhole of planet carrier, the 3rd oilhole of planet carrier are opened up, in being opened in Groove, bulkhead through-hole on space bar, makes lubricating oil have more circulation paths, with it is special and sufficiently to and the second transmission The 7th bearing of axle cooperating, 8th bearing, the 9th bearing, the tenth bearing, the first row carrier, planet wheel spindle, the 11st axle Hold, sun gear, the 12nd bearing, the 13rd bearing, the 14th bearing and the second planet carrier are lubricated;In the 5th lubricant passage way In, by stator shaft through-hole is arranged in stator axis, interior hub through hole is opened up on the interior hub of the 4th clutch, has lubricating oil More circulation paths, with special and be sufficiently lubricated to stator axis, the 16th bearing and the 4th clutch.The present invention is carried For change speed gear box clutch lubrication oil circuit, be additionally arranged a plurality of new fuel supply path for the different parts in change speed gear box, make many Oil supplying hole of the individual part no longer by power input shaft, makes all parts flowing in change speed gear box that lubricating oil can be more sufficient In, change speed gear box is integrally more fully lubricated.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis The accompanying drawing of offer obtains other accompanying drawings.
The schematic diagram of the first lubricant passage way in the lubricant passage way of Fig. 1 change speed gear boxes provided in an embodiment of the present invention;
Partial enlarged drawings of the Fig. 2 for Fig. 1;
Fig. 3 is the schematic diagram of the second lubricant passage way;
Partial enlarged drawings of the Fig. 4 for Fig. 3;
Fig. 5 is the schematic diagram of the 3rd lubricant passage way;
Partial enlarged drawings of the Fig. 6 for Fig. 5;
Fig. 7 is the schematic diagram of the 4th lubricant passage way;
Partial enlarged drawings of the Fig. 8 for Fig. 7;
Fig. 9 is the schematic diagram of the 5th lubricant passage way;
Partial enlarged drawings of the Figure 10 for Fig. 9;
Figure 11 is the principle schematic of the oil pumping system of the lubricant passage way of change speed gear box provided in an embodiment of the present invention.
Specific embodiment
The invention provides a kind of clutch lubrication oil circuit of change speed gear box, which more fully can be realized in change speed gear box The lubrication of each part.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
In the present embodiment, for the ease of distinguishing, in figure, the lines of sign oil circuit are adopted and are represented by dashed line.
As shown in Fig. 1-Figure 10, the lubricant passage way of change speed gear box provided in an embodiment of the present invention, it include the first lubricant passage way, Second lubricant passage way, the 3rd lubricant passage way, the 4th lubricant passage way and the 5th lubricant passage way, wherein:
First lubricant passage way includes:It is opened on the main casing of change speed gear box, it is allowed to which lubricating oil flow to clutch shaft bearing, and (this first Bearing is the deep groove ball bearing on the outside of the support base of the first power transmission shaft for being arranged on change speed gear box) installation position the first fuel feeding Hole;Open up on a main housing, be arranged in parallel with the first oil supplying hole, and with (be input into positioned at the first power transmission shaft of change speed gear box inner support Axle) the first support base on oil supplying hole connection for opening up, to allow lubricating oil to flow to the of second bearing and 3rd bearing Two oil supplying holes;It is opened in the first gear of change speed gear box on hub, the first return that lubricating oil is guided to the change speed gear box is lived Plug and the first gear oil supplying hole of first clutch installation position.
As depicted in figs. 1 and 2, above-mentioned first lubricant passage way is specially:
1) the first oil supplying hole and the second oil supplying hole are opened up on main casing 1 so as to connect with original oil supplying hole in main casing 1 It is logical, so as to make lubricating oil smoothly can flow in the first oil supplying hole and the second oil supplying hole.When lubricating oil is by the first oil supplying hole, When forming lubricant passage way L-1, you can realize to being arranged on the outside of the first support base 2, and arrange to support the near main casing The lubrication of the deep groove ball bearing 3 (i.e. clutch shaft bearing) of hub 4 in one gear;
2) oil supplying hole for opening up on the second oil supplying hole and the first support base 2 forms oil circuit L-2, and the oil circuit is by a point oil Road L-8 realizes the deep-groove ball axle to supporting the deep groove ball bearing 5 (i.e. second bearing) of hub 4 and support sun gear 6 in first gear The lubrication of 7 (i.e. 3rd bearings) is held, this point of oil circuit L-8 passes through the gap shape in the first support base 2 and first gear between hub 4 Into.The first gear oil supplying hole 8 being opened in first gear on hub 4 forms another point of oil circuit L-3, realizes to resetting piston 9 Lubrication.And Jing after the lubricating oil of this point of oil circuit L-3 reaches resetting piston 9, can also pass through the resetting piston 9 and first gear Gap between interior hub 4 forms oil circuit L-4, and by hub through hole 13 in first on hub in first clutch, with to first from The friction plate of clutch and steel disc 10 realize lubrication;
3) the original oil supplying hole on main casing 1 is connected with the oil supplying hole on first through hole bolt 11, and lubricating oil passes through first Through hole bolt 11 forms oil circuit L-7, and is divided into two branch roads, i.e. L-9 and L-10 in the end of first through hole bolt 11.Wherein, Branch road L-9 flows to deep groove ball bearing 7 by the gap between first through hole bolt 11, the first support base 2 and the first power transmission shaft 12 The opposite side of (i.e. 3rd bearing), and realized by hub through hole in second on hub in first clutch another to first clutch The lubrication of the friction plate and steel disc of side;
4) lubricating oil for flowing through branch road L-10 (i.e. branch road lubricant passage way in the first lubricant passage way) passes through the first sun gear 6th, the axis hole on the first power transmission shaft 12, by the gap between the first sun gear 6 and the first power transmission shaft 12 and is opened in described Oil supplying hole, the second intercommunicating pore 50 being opened on membrane support axle 24 on first sun gear 6, flow to and sets near central dividing plate Put, the installation position of the 18th bearing 14 to support the 4th clutch 52, form the first branch path lubricant passage way L-5, with 18th bearing 14 is lubricated;Lubricating oil after the oil supplying hole on the first sun gear, through the first sun gear 6 and dividing plate Gap between support shaft 24, flows to the installation position of the 4th gear 51, forms the second branch path lubricant passage way L-6, with to the Four clutches 52 and the 4th gear 51 are lubricated.
Second lubricant passage way includes:It is opened on the main casing of change speed gear box, it is allowed to which lubricating oil flow to fourth bearing the (the 4th Bearing is the deep groove ball bearing on the outside of the support base of the second driving shaft for being arranged on change speed gear box) installation position the 3rd fuel feeding Hole;Open up on a main housing, be arranged in parallel with the 3rd oil supplying hole, and with (change positioned at change speed gear box inner support second driving shaft Axle) the second support base on two oil supplying holes connection for opening up, to allow lubricating oil to flow to the 4th oil supplying hole of 5th bearing;Open It is located in the second gear of change speed gear box on hub, the second return that change speed gear box is guided to by the lubricating oil of the 4th oil supplying hole is lived The second gear oil supplying hole of plug, second clutch and 6th bearing installation position;It is opened in second gear on hub, it is allowed to Jing (the second through hole bolt is positioned at the end of second driving shaft and same with second driving shaft to cross the second through hole bolt of change speed gear box Axle arrange through hole bolt) lubricating oil flow to change speed gear box planetary gear and gear ring installation position the 3rd gear oil supplying hole;
As shown in Figure 3 and Figure 4, above-mentioned second lubricant passage way is specially:
1) the 3rd oil supplying hole and the 4th oil supplying hole are opened up on main casing 1 so as to connect with original oil supplying hole in main casing 1 It is logical, so as to make lubricating oil smoothly can flow in the 3rd oil supplying hole and the 4th oil supplying hole.When lubricating oil is by the 3rd oil supplying hole, When forming lubricant passage way L-11, you can realize to being arranged on the outside of the second support base 15, and arrange to support near main casing 1 The lubrication of the deep groove ball bearing 16 (i.e. fourth bearing) of hub in second gear;
2) two oil supplying holes for opening up on the 4th oil supplying hole and the second support base 15 form oil circuit L-12, the oil circuit by point Oil circuit L-13 realizes the lubrication to supporting the deep groove ball bearing 17 (i.e. 5th bearing) of hub 56 in second gear, and lubricating oil leads to afterwards Cross the second gear oil supplying hole 18 being opened in second gear on hub 56 and form oil circuit L-14, make lubricating oil flow to the work of the second return Plug 54, and oil circuit L-14 is after the second resetting piston, from the gap in the second resetting piston and second gear between hub 56 Flow through, so as to form oil circuit L-15 and L-18, wherein oil circuit L-15 makes lubricating oil by the fuel feeding on hub 53 in second clutch Hole is lubricated to second clutch, and 6th bearing 19 of the lubricating oil in oil circuit L-18 then to supporting second clutch is moistened It is sliding;
3) original oil supplying hole on lubricating oil Jing main casings 1, enters in the second through hole bolt 20, forms oil circuit L-16, Lubricating oil forms oil circuit L-17 by the interior hub through hole on hub in second gear 56 after the second through hole bolt 20, and it is right to realize Gear ring 21 and planetary gear 22 are lubricated.
3rd lubricant passage way includes:It is opened on the central dividing plate of change speed gear box, lubricating oil can be guided to change speed gear box The dividing plate oil supply tank of internal partition support shaft installation site;It is opened on membrane support axle, connects with dividing plate oil supply tank, will lubrication Oil is guided to the support shaft oil supplying hole of the 17th axle bearing mount portion position;It is opened on membrane support axle, connects with support shaft oil supplying hole Logical oil guide groove;It is opened on membrane support axle, the first intercommunicating pore connected with oil guide groove;The 5th tooth being opened in change speed gear box On wheel 28, connect with the first intercommunicating pore, so that lubricating oil to be guided to the 3rd clutch and the 3rd respectively that be arranged in change speed gear box Two the 5th gear oil supplying holes of the installation position of resetting piston.
As shown in Figure 5 and Figure 6, above-mentioned 3rd lubricant passage way is specially:
Dividing plate oil supplying hole on from from main casing 1 to central dividing plate 23 (oil duct on central dividing plate, a part be it is poroid, i.e., Dividing plate oil supplying hole, some is channel-shaped, i.e. dividing plate oil supply tank, and this groove-like structure is to be decorated with the portion of inclined dashed line in Fig. 6 Position) interior fuel feeding, oil circuit L-18 is formed, oil circuit L-18 is connected with the support shaft oil supplying hole on membrane support axle 24, forms oil circuit L- 19th, L-20, wherein oil circuit L-19 are guided to the installation position of deep groove ball bearing 25 (i.e. the 17th bearing), realize to deep-groove ball axle 25 lubrication is held, lubricating oil is guided in the oil guide groove 26 being arranged on membrane support axle 24 by another oil circuit L-20, lubricating oil The first intercommunicating pore 27 being opened on membrane support axle 24 is flow through through oil guide groove, flow to the 5th gear 28, and by being opened in Two through holes on 5th gear 28 form two articles of oil circuits L-21, L-22 again, and wherein oil circuit L-22 is by the 4th gear 51 Through hole, realize the lubrication to the friction plate and steel disc 29 of the 3rd clutch, another article of oil circuit L-21 is by being opened in the 5th tooth After through hole on wheel 28, the installation position of the 3rd resetting piston 30 is flowed to, realize the lubrication to the 3rd resetting piston 30.
4th lubricant passage way includes:The side wall of oil inlet pipe in change speed gear box is extended radially through, to allow the lubricating oil in oil inlet pipe Flow to the first through hole of 7th bearing, 8th bearing and the 9th axle bearing mount portion position;Extend radially through the side of oil inlet pipe in change speed gear box Wall, to allow the lubricating oil in oil inlet pipe to flow to the second through hole of the tenth axle bearing mount portion position;Through second sun in change speed gear box First oilhole of sun gear of the centre hole side wall of wheel;It is opened in the first row carrier in change speed gear box, and it is oily with sun gear first Hole connects, and the lubricating oil that Jing oil inlet pipes are entered in the second sun gear centre bore causes the oil of change speed gear box expert's spider gear shaft In road hole, and continue to first oilhole of planet carrier of the 11st axle bearing mount portion position;Through the second sun gear in change speed gear box Second oilhole of sun gear of centre hole side wall;It is opened in the first row carrier, connects with the second oilhole of sun gear, by second too Lubricating oil in sun wheel centre bore is guided to second oilhole of planet carrier of the 12nd axle bearing mount portion position;Through in change speed gear box second The 3rd oilhole of sun gear of the centre hole side wall of sun gear;It is opened in the first row carrier, connects with the 3rd oilhole of sun gear, with Lubricating oil in second sun gear centre bore is guided to into the 3rd oilhole of planet carrier of the 13rd axle bearing mount portion position;Through speed change The 4th oilhole of sun gear of the centre hole side wall of the second sun gear in case;It is opened on central dividing plate, with the 4th oilhole of sun gear Lubricating oil in second sun gear centre bore is guided to the groove of the 14th axle bearing mount portion position by connection;Connect described recessed Groove, so that the lubricating oil in groove flows to the bulkhead through-hole of the 15th bearing;Through the centre bore of the second sun gear in change speed gear box Side wall, and the second sun gear centre bore bottom is located at, the lubricating oil in the second sun gear centre bore is guided to into first planet The 5th oilhole of sun gear of frame and the second planet carrier site of engagement;
As shown in Figure 7 and Figure 8, above-mentioned 4th lubricant passage way is specially:
From converter cover 31 to 32 fuel feeding of oil inlet pipe, oil circuit L-23, oil circuit L-23 three by oil inlet pipe 32 are formed Through hole (first through hole, the second through hole and the port connected with the second sun gear centre bore), to form three oil circuit L- respectively 24、L-25、L-26.Wherein oil circuit L-24 is by Jing after oil inlet pipe 32 by clearance flow between main reduction between gear 33 and oil inlet pipe 32 The installation position of axial thrust bearing 34 (i.e. 7th bearing), cylinder roller bearing 35 (i.e. 8th bearing), realizes to thrust shaft Hold the lubrication of 34, cylinder roller bearing 35;Lubricating oil in oil circuit L-25, after the second through hole of oil inlet pipe 32, it is right to realize The lubrication of thrust bearing 36;Lubricant passage way L-26 is flowed into by the port of oil inlet pipe 32 in the centre bore of the second sun gear 37, the Six through holes (respectively the first oilhole of sun gear, the second oilhole of sun gear, sun gear are offered on two sun gear centre hole side walls 3rd oilhole, the 4th oilhole of sun gear, the 5th oilhole of sun gear and the 6th oilhole of sun gear), six lubricant passage way L-27 of formation, L-29, L-31, L-30, L-34 and L-35.Wherein lubricant passage way L-27 after the first oilhole of sun gear, then by first planet First oilhole of planet carrier of frame 38 enters the oil hole of planet wheel spindle 39 and forms oil circuit L-28, and oil circuit L-28 passes through planet wheel spindle 39 Oil hole after, flow to needle bearing 40 (i.e. the 11st bearing), realize the lubrication to needle bearing 40;Lubricant passage way L-29 leads to After crossing the second oilhole of sun gear, then by the installation position of the second oilhole of planet carrier the 12nd bearing 42 of arrival, realize to the tenth The lubrication of two bearings 42;Oil circuit L-31 the 3rd oilholes of Jing planet carriers after sun gear third through-hole enter the oil duct of planet carrier 38 Hole, and then continue to the installation position of angular contact bearing 41 (i.e. the 13rd bearing), realize the lubrication of angular contact bearings 41; Oil circuit L-34 after the 4th oilhole of sun gear, the oilhole of the first row carrier 38, with 45 (central dividing plate 45 herein of central dividing plate With central dividing plate 23 above be same central dividing plate, what different labels was represented is the different parts of central dividing plate) it is recessed Groove is connected, and lubricating oil is divided into 2 oil circuits L-32 and L-33 into after the groove of central dividing plate, and wherein oil circuit L-32 is via middle interval The groove of plate flows to needle bearing 43 (i.e. the 14th bearing), realizes the lubrication to needle bearing 43, and lubricant passage way L-33 is by oil Road L-34, groove and the bulkhead through-hole being opened in groove are formed, and lubricant passage way L-33 flows through deep groove ball bearing 44 the (the i.e. the 15th Bearing), realize the lubrication to deep groove ball bearing 44;Lubricant passage way L-35 after the 5th oilhole of sun gear, into the second planet Frame 55 and the engagement place of the first row carrier 38, realize to the second planet carrier 55 and the lubrication of the first row carrier 38.
5th lubricant passage way includes:It is opened on change speed gear box inner stator axle, the lubricating oil in main casing body can be caused The stator shaft through-hole of 16 axle bearing mount portion positions;It is opened on the interior hub of the 5th clutch in change speed gear box, with stator shaft through-hole Lubricating oil in stator shaft through-hole is guided to the interior hub through hole of the 5th clutch installation position by connection.
As shown in Figure 9 and Figure 10, above-mentioned 5th lubricant passage way is specially:
From main casing 1 to 46 fuel feeding of stator axis, oil circuit L-36, stator shaft through-holes of the oil circuit L-36 by stator axis 46 are formed Shi Liujing deep groove ball bearings 47 (i.e. the 16th bearing) simultaneously form lubricant passage way L-37, and lubricant passage way L-37 is by being opened in the 5th Interior hub through hole on the interior hub 48 of clutch is entered in the steel disc and friction plate 49 of the 5th clutch, so as to realize to deep-groove ball axle Hold the lubrication of the steel disc and friction plate 49 of the 47, the 5th clutch.
Specifically, first gear oil supplying hole is the straight hole for vertically opening up.This kind of set-up mode becomes for more suitable The optimal set-up mode of fast box structure.Also, also, it is preferred that oil guide groove is horizontally set on membrane support axle, and in membrane support It is axially extending along which on axle.
Preferably, the first intercommunicating pore for arranging on the membrane support axle in change speed gear box, is vertically to arrange Through hole.
Further, in the present embodiment, dividing plate oil supply tank includes:
With top opening, and it is horizontally set on the poroid horizontal segment on central dividing plate;
Connect with poroid horizontal segment, the poroid vertical section being arranged on inside central dividing plate;
Connect with poroid vertical section, be arranged on inside central dividing plate, and the channel-shaped tilting section connected with oil guide groove 26.
In the present embodiment, the 4th lubricant passage way also includes the sun of the centre hole side wall of the second sun gear in change speed gear box Take turns the 6th oilhole;It is opened in the first row carrier, connects with the 6th oilhole of sun gear, by the lubricating oil in sun gear centre bore The 13rd axle bearing mount portion position is guided to, so as to form the 4th oilhole of planet carrier of oil circuit L-30.Oil circuit L-30 passes through sun gear After 6th oilhole, then through the oil hole of planet wheel spindle 38, and then continue up to the peace of needle bearing 43 (i.e. the 13rd bearing) Dress position, realizes the lubrication to needle bearing 43.
Specifically, the first oilhole of sun gear on the centre hole side wall of sun gear, the second oilhole of sun gear, the sun are opened in Take turns the 3rd oilhole, the 4th oilhole of sun gear, the 5th oilhole of sun gear and the 6th oilhole of sun gear to be arranged in parallel, and its axis is equal In being generally aligned in the same plane.
In the present embodiment, in the oil pumping system of the lubricant passage way of change speed gear box, oil cooler 101, flow control valve is provided with 102nd, cooling unit 103, oil sump 104, as shown in figure 11.Flow control valve 102 controls fuel pump outlet flow (includes lubrication Lubrication flow in oil circuit), flow control valve 102 is controlled by oil pump flow and lubrication flow.
Governing equation is:FS=P1* △ S+P2*S1
Wherein FS:For the return spring of flow control valve
P1:For fuel pump outlet pressure (oil circuit 1,2)
△S:For the effective area of P1 pressure effect
P2:For lubricant passage way pressure (oil circuit 4,5)
S1:For the effective area of P2 pressure effect
Work as FS<During P1* △ S+P2*S1, flow control valve is opened, and vents unnecessary flow, FS by oil circuit 3>P1*△S+ P2*S1, flow control valve are closed, and can improve hydraulic system and the flow in lubricating system.By above-mentioned control, Ke Yibao Card lubrication flow is stable in certain scope.
In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope for causing.

Claims (10)

1. a kind of lubricant passage way of change speed gear box, it is characterised in that including the first lubricant passage way, the second lubricant passage way, the 3rd lubrication Oil circuit, the 4th lubricant passage way and the 5th lubricant passage way, wherein:
First lubricant passage way includes:It is opened on the main casing of change speed gear box, it is allowed to which lubricating oil flow to the installation of clutch shaft bearing First oil supplying hole at position;Be opened on the main casing, and with positioned at first power transmission shaft of change speed gear box inner support first The oil supplying hole connection opened up on support base, to allow lubricating oil to flow to the second oil supplying hole of second bearing and 3rd bearing; It is opened in the first gear of the change speed gear box on hub, lubricating oil is guided to into first resetting piston and of the change speed gear box The first gear oil supplying hole of one clutch installation position;
Second lubricant passage way includes:It is opened on the main casing of change speed gear box, it is allowed to which lubricating oil flow to the installation of fourth bearing 3rd oil supplying hole at position;Be opened on the main casing, and with positioned at the change speed gear box inner support second driving shaft second The two oil supplying hole connections opened up on support base, to allow lubricating oil to flow to the 4th oil supplying hole of 5th bearing;It is opened in described In the second gear of change speed gear box on hub, second time of the change speed gear box will be guided to by the lubricating oil of the 4th oil supplying hole The second gear oil supplying hole of position piston, second clutch and 6th bearing installation position;
3rd lubricant passage way includes:It is opened on the central dividing plate of the change speed gear box, lubricating oil can be guided to institute State the dividing plate oil supply tank of change speed gear box internal partition support shaft installation site;It is opened on the membrane support axle, supplies with the dividing plate Oil groove is connected, and lubricating oil is guided to the support shaft oil supplying hole of the 17th axle bearing mount portion position;It is opened in the membrane support On axle, the oil guide groove connected with the support shaft oil supplying hole;It is opened on the membrane support axle, connects with the oil guide groove First intercommunicating pore;It is opened on the 5th gear in the change speed gear box, connects with first intercommunicating pore, with respectively by lubricating oil Two the 5th gears for being guided to the installation position of the 3rd clutch and the 3rd resetting piston being arranged in the change speed gear box are supplied Oilhole;
4th lubricant passage way includes:The side wall of oil inlet pipe in the change speed gear box is extended radially through, to allow in the oil inlet pipe Lubricating oil flow to the first through hole of 7th bearing, 8th bearing and the 9th axle bearing mount portion position;Extend radially through the change speed gear box The side wall of interior oil inlet pipe, to allow the lubricating oil in the oil inlet pipe to flow to the second through hole of the tenth axle bearing mount portion position;Run through First oilhole of sun gear of the centre hole side wall of the second sun gear in the change speed gear box;The first row being opened in the change speed gear box In carrier, and connect with the first oilhole of the sun gear, oil inlet pipe described in Jing is entered into into the center of second sun gear Lubricating oil in hole, causes in the oil hole of the change speed gear box expert spider gear shaft, and continues to the 11st axle bearing mount portion position The first oilhole of planet carrier;Second oilhole of sun gear of the centre hole side wall of second sun gear in the change speed gear box; It is opened in the first row carrier, connects with the second oilhole of the sun gear, by the centre bore of second sun gear Lubricating oil be guided to second oilhole of planet carrier of the 12nd axle bearing mount portion position;Second sun in the change speed gear box The 3rd oilhole of sun gear of the centre hole side wall of wheel;It is opened in the first row carrier, connects with the 3rd oilhole of the sun gear Logical, the planet carrier the 3rd that the lubricating oil in the centre bore of second sun gear is guided to the 13rd axle bearing mount portion position is oily Hole;The 4th oilhole of sun gear of the centre hole side wall of second sun gear in the change speed gear box;It is opened in the centre On dividing plate, connect with the 4th oilhole of the sun gear, the lubricating oil in the centre bore of second sun gear is guided to into The groove of 14 axle bearing mount portion positions;Connect the groove so that the lubricating oil in the groove flow to the 15th bearing every Plate through hole;The centre hole side wall of second sun gear in the change speed gear box, and positioned at the center of second sun gear Lubricating oil in the centre bore of second sun gear is guided to the first row carrier and the second planet carrier is nibbled by bottom hole portion Close the 5th oilhole of sun gear at position;
5th lubricant passage way includes:It is opened on the change speed gear box inner stator axle, can be by the lubrication in the main casing body Oil causes the stator shaft through-hole of the 16th axle bearing mount portion position;It is opened on the interior hub of the 5th clutch in the change speed gear box, Connect with the stator shaft through-hole, the lubricating oil in the stator shaft through-hole is guided to into the 5th clutch installation position Interior hub through hole.
2. the lubricant passage way of change speed gear box according to claim 1, it is characterised in that first lubricant passage way also includes:
The lubricating oil of the first through hole bolt through being arranged on first support base, by the axle on first power transmission shaft Hole, the gap entered between first power transmission shaft and the first sun gear, and by being opened on first sun gear Oil supplying hole and the branch road lubricant passage way that formed;
Connect with the branch road lubricant passage way, through being opened in the second intercommunicating pore on the membrane support axle, with to the 18th First branch path lubricant passage way of bearing lubrication;
Connect with the branch road lubricant passage way, the gap between first sun gear and the membrane support axle, and lead to The second branch path lubricant passage way that the through hole crossed on the 4th gear is lubricated to the 4th clutch.
3. the lubricant passage way of change speed gear box according to claim 1, it is characterised in that second lubricant passage way also includes: It is opened on the main casing and second support base, it is allowed to which the lubricating oil in the second through hole bolt of the change speed gear box flow to 3rd gear oil supplying hole of the installation position of the planetary gear and gear ring of the change speed gear box.
4. the lubricant passage way of change speed gear box according to claim 1, it is characterised in that the first gear oil supplying hole is along perpendicular Nogata is to the straight hole for opening up.
5. the lubricant passage way of change speed gear box according to claim 1, it is characterised in that described in the change speed gear box The first intercommunicating pore arranged on membrane support axle, is the through hole for vertically arranging;The oil guide groove is horizontally set on described It is on membrane support axle and axially extending along which on the membrane support axle.
6. the lubricant passage way of change speed gear box according to claim 5, it is characterised in that the dividing plate oil supply tank includes:
With top opening, and it is horizontally set on the poroid horizontal segment on the central dividing plate;
Connect with the poroid horizontal segment, the poroid vertical section being arranged on inside the central dividing plate;
Connect with the poroid vertical section, be arranged on inside the central dividing plate, and the channel-shaped connected with the oil guide groove is inclined Section.
7. the lubricant passage way of change speed gear box according to claim 1, it is characterised in that also include in the change speed gear box The 6th oilhole of sun gear of the centre hole side wall of two sun gears;It is opened in the first row carrier, with the sun gear the 6th Oilhole is connected, and the planet carrier the 4th that the lubricating oil in the sun gear centre bore is guided to the 13rd axle bearing mount portion position is oily Hole.
8. the lubricant passage way of change speed gear box according to claim 7, it is characterised in that be opened in the centre bore of the sun gear The first oilhole of the sun gear, the second oilhole of the sun gear, the 3rd oilhole of the sun gear, the sun gear on the wall of side Four oilholes, the 5th oilhole of the sun gear and the 6th oilhole of the sun gear be arranged in parallel, and its axis is respectively positioned on same putting down In face.
9. the lubricant passage way of the change speed gear box according to any one in claim 1-8, it is characterised in that in lubricant passage way also Oil pump, oil cooler, flow control valve, cooling unit and oil sump are provided with, wherein, the flow control valve controls the oil pump Flow of lubrication in the flow and lubricant passage way of outlet.
10. the lubricant passage way of change speed gear box according to claim 9, it is characterised in that the controlling party of the flow control valve Formula is:
FS=P1* △ S+P2*S1
Wherein, FS is the pressure of return spring in the flow control valve;
P1 is the pressure of the fuel pump outlet;
△ S are the effective area of P1 pressure effect;
P2 is lubricant passage way pressure;
S1 is the effective area of P2 pressure effect.
CN201410682754.XA 2014-11-24 2014-11-24 A kind of lubricant passage way of change speed gear box Active CN104455356B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410682754.XA CN104455356B (en) 2014-11-24 2014-11-24 A kind of lubricant passage way of change speed gear box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410682754.XA CN104455356B (en) 2014-11-24 2014-11-24 A kind of lubricant passage way of change speed gear box

Publications (2)

Publication Number Publication Date
CN104455356A CN104455356A (en) 2015-03-25
CN104455356B true CN104455356B (en) 2017-04-05

Family

ID=52901893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410682754.XA Active CN104455356B (en) 2014-11-24 2014-11-24 A kind of lubricant passage way of change speed gear box

Country Status (1)

Country Link
CN (1) CN104455356B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6529899B2 (en) * 2015-12-14 2019-06-12 住友重機械工業株式会社 Anti-load side casing for reduction gear, vertical reduction gear, horizontal reduction gear
CN107339409B (en) * 2016-12-30 2023-10-31 盛瑞传动股份有限公司 Gearbox torque converter casing
CN107339404B (en) * 2016-12-30 2023-10-31 盛瑞传动股份有限公司 Gearbox control oil circuit
CN107143644B (en) * 2016-12-30 2023-10-31 盛瑞传动股份有限公司 Gearbox lubricating oil way
CN106704565B (en) * 2016-12-30 2023-10-31 盛瑞传动股份有限公司 Gearbox main casing
CN107100991B (en) * 2016-12-30 2024-04-09 盛瑞传动股份有限公司 Gear box
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
CN113639033B (en) * 2021-10-19 2022-02-08 盛瑞传动股份有限公司 Gearbox oil circuit system and gearbox

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202360732U (en) * 2011-12-13 2012-08-01 哈尔滨东安发动机(集团)有限公司 Lubricating system of lubricating oil
CN202629036U (en) * 2012-06-12 2012-12-26 南京高精齿轮集团有限公司 Forced lubrication oil way in planetary gear case
CN204284400U (en) * 2014-11-24 2015-04-22 盛瑞传动股份有限公司 A kind of lubricating oil path of gearbox

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4699817B2 (en) * 2005-06-23 2011-06-15 日立建機株式会社 Dump truck travel drive device
JP4690180B2 (en) * 2005-11-21 2011-06-01 日立建機株式会社 Planetary gear reducer
DE112008000596B4 (en) * 2007-07-05 2012-10-25 Aisin Aw Co., Ltd. Lubricating oil conveyor for an automatic transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202360732U (en) * 2011-12-13 2012-08-01 哈尔滨东安发动机(集团)有限公司 Lubricating system of lubricating oil
CN202629036U (en) * 2012-06-12 2012-12-26 南京高精齿轮集团有限公司 Forced lubrication oil way in planetary gear case
CN204284400U (en) * 2014-11-24 2015-04-22 盛瑞传动股份有限公司 A kind of lubricating oil path of gearbox

Also Published As

Publication number Publication date
CN104455356A (en) 2015-03-25

Similar Documents

Publication Publication Date Title
CN104455356B (en) A kind of lubricant passage way of change speed gear box
CN204284400U (en) A kind of lubricating oil path of gearbox
CN101655021B (en) Lubricating oil passage of engine cylinder body assembly
DE112012006935T5 (en) engine
CN108019281A (en) A kind of oil system of miniature gas turbine
CN106838287B (en) A kind of gearbox oil way
CN109826864B (en) Durable static main shaft
CN107100991A (en) A kind of gearbox
CN103363081B (en) Gear-box and engineering machinery
CN205937742U (en) Engineering machine tool gearbox box
CN103437905B (en) Marine main controllable diesel engine front end system
CN202646648U (en) Transfer case and engineering machinery
CN207005271U (en) A kind of gearbox oil way
CN215293531U (en) Cooling and lubricating system of hybrid transmission
CN206571955U (en) A kind of gearbox
CN204005161U (en) A kind of Lubricating-oil Station hydraulic system
CN202546196U (en) Constant-temperature thin oil lubrication station
CN206175503U (en) Spline with lubricating structure
CN207740446U (en) A kind of lubrication system of speed reduction gearing
CN105927310A (en) Engine double-pump lubricating system
CN106195223A (en) The double no-load voltage ratio gear shift case apparatus of a kind of Novel net electrical drilling machine
CN205937775U (en) Wind -powered electricity generation gear box planet carrier for lubrication
CN205298502U (en) Hybrid lubricating system
CN206211730U (en) Motor and the mine car with it
CN207145598U (en) A kind of gear shaft structure for strengthening lubricant effect

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant