CN113431884B - Low-vibration forced lubrication idler gear assembly - Google Patents
Low-vibration forced lubrication idler gear assembly Download PDFInfo
- Publication number
- CN113431884B CN113431884B CN202110859956.7A CN202110859956A CN113431884B CN 113431884 B CN113431884 B CN 113431884B CN 202110859956 A CN202110859956 A CN 202110859956A CN 113431884 B CN113431884 B CN 113431884B
- Authority
- CN
- China
- Prior art keywords
- oil
- idler gear
- concave ring
- shaft seat
- gear shaft
- 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
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 15
- 230000001050 lubricating effect Effects 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 74
- 239000010687 lubricating oil Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005507 spraying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
-
- 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
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
Abstract
The invention discloses a low-vibration forced lubrication idler gear assembly, which comprises an idler gear, an idler gear shaft seat and a rolling bearing, wherein the idler gear is arranged on the idler gear shaft seat; the idler gear shaft seat is provided with a lubricating main oil duct along the central axis from the rear end, and is also provided with an oil outlet duct along the radial direction; the inner end of the oil outlet passage is communicated with the lubricating main oil passage; the idler gear shaft seat is also sleeved with a pressing oil concave ring, the inner side of the pressing oil concave ring is provided with a circle of oil storage concave cavity which is correspondingly sleeved at the oil outlet passage, and the port of the oil outlet passage is covered in the range of the oil storage concave cavity; the top of the pressure oil concave ring is also provided with a small oil injection hole; the front side and the rear side of the oil pressing concave ring are respectively provided with one rolling bearing; the idler gear is sleeved on the outer rings of the two rolling bearings. The invention has the advantages of stable operation, good lubricating effect, reliability and the like.
Description
Technical Field
The invention relates to the technical field of engine idler gears, in particular to a low-vibration forced lubrication idler gear assembly.
Background
The idler gear is a gear which plays a role in transmission between two transmission gears which are not in contact with each other, and is meshed with a driven wheel driven by the previous stage transmission and a driving wheel driven by the next stage transmission at the same time, so as to change the rotation direction of the driven wheel and enable the driven wheel to be identical with the driving wheel. The idler gear is a wheel which does not do work, has a certain energy storage function, and can also maintain the stability of the system. Idler gears are very commonly used in machinery to facilitate connection to a remote shaft. In the engine, the currently used idler gear also needs to consider the vibration coefficient, namely stability and running resistance of the idler gear after installation, so as to improve the stability and reliability of the whole gear train, and directly influence the output efficiency and reliability of the engine. Aiming at the defects of the currently used idler gear assembly mainly based on the lubrication effect, namely stability, the conventional idler gear assembly cannot meet the requirements of low vibration, high stability, low resistance, effective lubrication and the like more and more along with the increasing complexity of the gear train of the current engine and the increasing externally connected output power.
Disclosure of Invention
Aiming at the technical problems, the invention provides the low-vibration forced lubrication idler gear assembly which is stable in operation, good in lubrication effect, low in oil consumption and good in reliability.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a low-vibration forced lubrication idler gear assembly comprises an idler gear, an idler gear shaft seat and a rolling bearing; the idler gear shaft seat is provided with a lubricating main oil duct along the central axis from the rear end, and is also provided with an oil outlet duct along the radial direction; the inner end of the oil outlet passage is communicated with the lubricating main oil passage; the idler gear shaft seat is also sleeved with a pressing oil concave ring, the inner side of the pressing oil concave ring is provided with a circle of oil storage concave cavity which is correspondingly sleeved at the oil outlet passage, and the port of the oil outlet passage is covered in the range of the oil storage concave cavity; the top of the pressure oil concave ring is also provided with a small oil injection hole; the front side and the rear side of the oil pressing concave ring are respectively provided with one rolling bearing; the idler gear is sleeved on the outer rings of the two rolling bearings.
Furthermore, two elastic clamping rings are correspondingly distributed outside the pressure oil concave ring.
Furthermore, a plurality of fixing holes are axially formed in the idler gear shaft seat and are tightened to the flywheel shell through fixing bolts.
Further, the rear end of the main lubricating oil duct is provided with an oil-way connector which is used for being connected with a lubricating oil delivery pipeline; and the oil way connector is radially provided with an oil inlet which is communicated with the lubricating main oil duct.
Further, the diameter of the oil injection small hole is 0.6-0.9 mm.
Further, the diameter of the oil spraying small hole is 0.8mm.
Compared with the prior art, the invention has the beneficial effects that:
(1) By arranging the lubricating main oil duct, the oil outlet oil duct and the oil pressing concave ring, the forced lubrication of the idler gear assembly in a high-pressure lubrication mode is realized; the provided oil concave ring has the functions of containing and storing lubricating oil in the using process, adjusting buffer oil pressure, controlling lubricating oil supply and the like, can continuously maintain good lubricating performance in the long-term rotation process of the idler gear, simultaneously, maximally saves oil consumption, effectively ensures low resistance and smoothness of operation, improves the transmission efficiency of an engine gear train, simultaneously combines a double rolling bearing mode, can obviously improve the stability, low vibration and reliability of the transmission operation of the idler gear on the basis of improving the lubricating effect, and can bear larger transmission torque to maintain due stability and reliability compared with a general structure.
(2) Under the combination of the structure, the lubricating effect can be best realized only if the diameter of the oil injection small hole of the oil concave ring is preferably 0.8mm, the oil injection hole diameter which is more than 1.5mm and is commonly used in the industry is directly adopted before, the phenomenon that the front and back moving parts are burnt randomly and respectively occurs after a period of test operation under different environments is repeated, the result is the same through replacing parts with higher strength, and the root cause is that the lubricating oil film cannot be effectively formed in the moving parts on the front side and the back side under the structure even though the oil quantity is large due to the adoption of the conventional diameter of 1.5mm, and the expected lubricating effect cannot be achieved (possibly based on the influence of structures such as the oil concave ring, the elastic clamping ring and the like). By reducing the diameter of the oil spraying hole, the oil spraying hole is caused to spray out the lubricating oil, and then the lubricating oil can be effectively distributed along the front side and the rear side to realize effective lubrication, so that the high-speed and durable operation of moving parts is ensured.
Drawings
FIG. 1 is a schematic view of the structure of an idler gear axle seat of the present invention;
FIG. 2 is a cross-sectional view of an idler gear axle seat of the present invention;
FIG. 3 is a schematic view of the structure of the idler shaft mount of the present invention after assembly with a press-fit female ring and a rolling bearing;
FIG. 4 is a schematic view of the structure of the oil-pressing concave ring of the present invention;
FIG. 5 is a cross-sectional view of the idler gear assembly of the present invention;
FIG. 6 is a cross-sectional view of the idler gear assembly of the present invention after assembly to a flywheel housing.
Detailed Description
As shown in fig. 1 to 6, a low-vibration forced lubrication idler gear assembly comprises an idler gear 11, an idler gear shaft seat 1 and a rolling bearing; the idler gear shaft seat 1 is axially provided with a lubricating main oil duct 3-1 along the center from the rear end, and is also radially provided with an oil outlet duct 4; the inner end of the oil outlet passage 4 is communicated with the main lubricating oil passage 3-1; the idler gear shaft seat is also sleeved with a pressing oil concave ring 8, the inner side of the pressing oil concave ring 8 is provided with a circle of oil storage concave cavity 8-2 which is correspondingly sleeved at the oil outlet passage 4 and covers the port of the oil outlet passage 4 in the range of the oil storage concave cavity; the top of the pressure oil concave ring 8 is also provided with a small oil injection hole 8-1; the diameter of the small oil injection hole is 0.6-0.9 mm, and the preferred diameter of the small oil injection hole is 0.8mm. The front side and the rear side of the oil concave ring are respectively provided with one rolling bearing, namely a rear rolling bearing 9 and a front rolling bearing 10; the idler gear 11 is then fitted over the outer rings of the two rolling bearings. The outside of the oil pressing concave ring 8 is correspondingly provided with two elastic clamping rings, namely a rear elastic clamping ring 6 and a front elastic clamping ring 7, and the elastic clamping rings play a good role in stabilizing the assembled idler gear. The idler gear shaft seat is also axially provided with a plurality of fixing holes and is screwed on the flywheel housing 12 through the fixing bolts 5. The rear end of the main lubricating oil duct 3-1 is provided with an oil way connector 2 for connecting with a lubricating oil delivery pipeline; an oil inlet 3 is radially formed in the oil way connector 2 and is communicated with the lubricating main oil duct 3-1.
Claims (2)
1. A low-vibration forced lubrication idler gear assembly, characterized in that: comprises an idler gear, an idler gear shaft seat and a rolling bearing; the idler gear shaft seat is provided with a lubricating main oil duct along the central axis from the rear end, and is also provided with an oil outlet duct along the radial direction; the inner end of the oil outlet passage is communicated with the lubricating main oil passage; the idler gear shaft seat is also sleeved with a pressing oil concave ring, the inner side of the pressing oil concave ring is provided with a circle of oil storage concave cavity which is correspondingly sleeved at the oil outlet passage, and the port of the oil outlet passage is covered in the range of the oil storage concave cavity; the top of the pressure oil concave ring is also provided with a small oil injection hole; the front side and the rear side of the oil pressing concave ring are respectively provided with one rolling bearing; the idler gear is sleeved on the outer rings of the two rolling bearings;
two elastic clamping rings are correspondingly distributed outside the pressure oil concave ring;
a plurality of fixing holes are axially formed in the idler gear shaft seat and are tightened to the flywheel shell through fixing bolts;
the rear end of the lubricating main oil duct is provided with an oil way connector which is used for being connected with a lubricating oil delivery pipeline; the oil way connector is radially provided with an oil inlet which is communicated with the lubricating main oil duct;
the diameter of the oil injection small hole is 0.6-0.9 mm.
2. A low-vibration forced lubrication idler gear assembly according to claim 1, wherein: the diameter of the oil injection small hole is 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110859956.7A CN113431884B (en) | 2021-07-28 | 2021-07-28 | Low-vibration forced lubrication idler gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110859956.7A CN113431884B (en) | 2021-07-28 | 2021-07-28 | Low-vibration forced lubrication idler gear assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113431884A CN113431884A (en) | 2021-09-24 |
| CN113431884B true CN113431884B (en) | 2024-03-29 |
Family
ID=77762091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110859956.7A Active CN113431884B (en) | 2021-07-28 | 2021-07-28 | Low-vibration forced lubrication idler gear assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113431884B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011591A (en) * | 2009-06-30 | 2011-01-20 | Toyota Motor Corp | Lubricating structure of power transmission device |
| CN207034132U (en) * | 2017-08-14 | 2018-02-23 | 广西玉柴机器股份有限公司 | Idle gear component |
-
2021
- 2021-07-28 CN CN202110859956.7A patent/CN113431884B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011591A (en) * | 2009-06-30 | 2011-01-20 | Toyota Motor Corp | Lubricating structure of power transmission device |
| CN207034132U (en) * | 2017-08-14 | 2018-02-23 | 广西玉柴机器股份有限公司 | Idle gear component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113431884A (en) | 2021-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107420240B (en) | High pressure common rail diesel engine drive common rail pump intermediate gear installation device | |
| CN113431884B (en) | Low-vibration forced lubrication idler gear assembly | |
| CN108915919B (en) | Common rail pump driving device of high-pressure common rail diesel engine | |
| CN110374691B (en) | Radial flow turbine power generation system gas lubrication rotor structure | |
| CN215861612U (en) | Low-vibration forced lubrication idler gear assembly | |
| CN102878079A (en) | Low pressure oil injected screw compressor | |
| CN217152873U (en) | Double-support type idler gear assembly | |
| CN2649781Y (en) | Two-cylinder diesel engine with sufficiently-lubricating drive gear cluster | |
| CN208950754U (en) | A kind of Design of High Pressure Common Rail Diesel Engine common rail pump drive | |
| CN210948898U (en) | Intermediate gear transmission device of seawater pump driven by diesel engine | |
| CN211174250U (en) | High stable camshaft | |
| CN110778671A (en) | Crankshaft assembly suitable for piston type two-stroke aircraft engine | |
| CN102147006A (en) | Lubricating oil distributor for gearbox | |
| CN213270108U (en) | Engine fuel injection pump transmission mechanism | |
| CN201841893U (en) | Front transmission shaft assembly of miniature car | |
| CN219472677U (en) | Spiral bevel gear with good heat dissipation performance | |
| CN112127995B (en) | Air compressor machine and high-pressure oil pump transmission connection structure | |
| CN210510158U (en) | Long-axis double-end input worm gear box | |
| CN216200208U (en) | Single-support two-stage transmission planetary gear reducer | |
| CN215928322U (en) | Marine gear box intermediate shaft structure and bearing lubricating mechanism | |
| CN219452821U (en) | Transfer case for miniature rear-drive automobile | |
| CN2207458Y (en) | Double screw arbor pump | |
| CN217481357U (en) | Crankshaft for infinitely variable speed engine | |
| CN220378828U (en) | Shafting supporting structure | |
| CN208252715U (en) | The connection structure of loading machine stabilized shaft gearbox gear and axis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |