CN105937615A - Efficient lubricating and cooling structure for axle gear box - Google Patents
Efficient lubricating and cooling structure for axle gear box Download PDFInfo
- Publication number
- CN105937615A CN105937615A CN201610497335.8A CN201610497335A CN105937615A CN 105937615 A CN105937615 A CN 105937615A CN 201610497335 A CN201610497335 A CN 201610497335A CN 105937615 A CN105937615 A CN 105937615A
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- Prior art keywords
- gear
- oil
- gear box
- bearing
- axle
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Classifications
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to an efficient lubricating and cooling structure for an axle gear box. The axle gear box comprises an intermediate shaft with a cylindrical gear at one end and a bevel gear at the other end, the cylindrical gear and a cylindrical gear on an input shaft parallel with the intermediate shaft are perpendicular to the axis of the intermediate shaft and the axis of the input shaft respectively and mesh with each other, and the bevel gear meshes with a bevel gear on an output shaft perpendicular to the intermediate shaft; an oil collection structure of an inverted T shape is designed at the topmost part, close to the cylindrical gear, of a box body; bearings are provided with oil inlets and oil outlets; a lubrication separation plate is arranged at the circulation overlapping position of the cylindrical gear and the bevel gear. According to the efficient lubricating and cooling structure, the basic structure according with the fluid mechanics, the reasonable lubrication oil collection and oil way arrangement and the external shape promoting heat exchange and dissipation are adopted, the structural manufacturability is considered, and therefore efficient lubricating and cooling of the axle gear box within the wide transmission ratio range can be realized, the comprehensive performance of the axle gear box can be improved, and the reliability and the economical efficiency can be improved.
Description
Technical field
The present invention relates to a kind of axle gear box structure, a kind of axle gear box high-efficiency lubricating with
Cooling structure.
Background technology
Axle gear box railcar two-wheeled between axletree on, be last of railcar drive system
Assembly.The power passed over is changed 90 ° by axle gear box, and input torque amplification, rotating speed is reduced,
Driving wheel pair, makes railcar travel.For the axle gear box that axle gear box is a secondary transmission, its work
Feature is the demand of car load to be adapted to 160 kilometers/hour of effectively power transmissions at a high speed, also needs to adapt at low speed
The demand of less than 5 kilometers/hour stable operation operations.Due to gear box ratio subject range require more than 30 with
On, if using the mode of force feed system is lubricated and cools down, it will be difficult to choose this rotating speed model applicable
The grease pump enclosed, if using gear-box driven gear to get rid of oil lubrication, then must solve low speed lubrication and high speed
Get rid of the contradiction between oil loss.
Axle gear box is supporting actuating device important on railway locomotive, and wherein lubrication system is the most reliable
Directly affect this axle gear box normally to use, and then affect traffic safety.Application No.
" 201511021532.4 ", the utility application of entitled " axle gear box lubricating structure ", its
Axle gear box lubricating structure includes that upper box 1, bearing block the 2, first taper roller bearing 3, second bore roller
Bearing 4, sealing lid 5, oil sump 6, bolt 7, lower box 8, cylinder roller bearing 9, the first cone Roller Shaft
Holding 3 and second source of lubricatings needed for taper roller bearing 4 is by axle gear box gear drive engagement process
Middle lubricating oil in lower box 8 is got rid of, after lubricating oil splash, entered the first taper roller bearing 3 and the second cone rolling
Being lubricated in sub-bearing 4, the lubricating oil part simultaneously splashed stores in oil sump 6, the lubrication of storage
When innage degree is higher than the aperture, outer ring of the first taper roller bearing 3, first taper roller bearing 3 and second is bored Roller Shaft
Hold 4 to be lubricated.When lubricating oil storing highly is higher than the oil storage height of oil sump 6, the lubricating oil in oil sump 6
It is back in lower box 8 by oil sump 6, this action reciprocation cycle.
The lubricating oil carrying out the first taper roller bearing 3 and the second taper roller bearing 4, be through cylindrical roller axle
It could be lubricated after holding 9.When this axle gear box starts running, the first taper roller bearing 3, second is bored
Roller bearing 4 carries out effective proper lubrication oil without enough lubricating oil to it, and the first taper roller bearing 3, second is bored
Roller bearing 4 easily scaling loss, causes locomotive out of service, affects railway traffic.
In order to solve the axle gear box of transmission to high-efficiency lubricating and the requirement of cooling, in the urgent need to a kind of axletree tooth
Roller box high-efficiency lubricating and cooling structure.
Summary of the invention
In order to solve the above-mentioned deficiency in the presence of prior art, the present invention provides a kind of axle gear box with efficiently
Lubrication and cooling structure.
Present invention provide the technical scheme that a kind of axle gear box high-efficiency lubricating and cooling structure, described car
Shaft gear case includes: one end arranges roller gear, and the other end arranges the jackshaft of bevel gear, described roller gear
It is respectively perpendicular to described jackshaft and described input with the roller gear on the power shaft being parallel to described jackshaft
Axle axis, and two roller gears are meshed, described bevel gear and the cone on the output shaft being perpendicular to described jackshaft
Gear engages, it is characterised in that design, close to the top of described roller gear, the font of falling T at described casing
Receive oil structure, receiving port and oil-out are set at described bearing, at described roller gear and bevel gear recycling cross
Position arranges lubrication division board.
Preferably, interior wall construction and described casing corner at described casing are excessively located to use arcuate structure form.
Preferably, the external structure at described casing uses and meets aerodynamic appearance forrns.
Preferably, the receipts oil structure of the described font of falling T uses symmetrical structure.
Preferably, the material forming described casing includes: carbon C :≤0.30；Manganese Mn :≤1.20；Phosphorus P :≤
0.04；Sulfur S :≤0.04；Silicon Si :≤0.50.
Preferably, described roller gear is prepared by following component by mass percentage: use carbon C:0.17～
0.23, silicon Si:0.17～0.37, manganese Mn:0.80～1.10, chromium Cr:1.00～1.30, sulfur S: permit
Permitted residual content≤0.035, phosphorus P: allow residual content≤0.035, nickel: allow residual content≤0.030,
Copper Cu: allow residual content≤0.030, titanium Ti:0.04～0.10；
Described bevel gear is prepared by following component by mass percentage: little gear by carbon C:0.17～
0.23, silicon Si:0.17～0.3, manganese Mn:0.30～0.60, sulfur S :≤0.03, phosphorus P :≤0.03,
Chromium Cr:1.25～1.65, nickel: 3.25～3.65, gear wheel is by carbon C:0.17～0.23, silicon Si:
0.17～0.37, manganese Mn:0.80～1.10, chromium Cr:1.00～1.30, sulfur S: permission residual content≤
0.035, phosphorus P: allow residual content≤0.035, nickel: allow residual content≤0.030, copper Cu: permit
Permitted residual content≤0.030, titanium Ti:0.04～0.10；
Described bearing is prepared by following component by mass percentage: be mainly composed of Fe (ferrum element), and
Containing following oligo-element: C:0.42～0.50%, Si:0.17～0.37%, Mn:0.50～0.80%, P :≤
0.035%, S :≤0.035%, Cr :≤0.25%, Ni :≤0.25%, Cu :≤0.25%.
Preferably, the receipts oil structure working principle of the described font of falling T includes: gear rotates when stirring oil by inertia institute
After the lubricating oil produced arrives the font of falling T receiving port, flow at bearing receiving port along the font of falling T direction.
Preferably, the lubrication of described bearing includes: lubricating oil flows at bearing receiving port along the font of falling T direction,
Thus realize the lubrication to bearing, or when gear rotates, lubricating oil rotates into reserved profit along box body wall
Slide opening, and then flow at bearing oil-in, it is achieved the lubrication to bearing.
Preferably, in the front end of described casing, rear end and side, the connecting portion on ground use orthodrome structure,
Bottom design heat dissipation grid at described casing.
Compared with prior art, the method have the advantages that
1, structure of the present invention uses oil-collecting, oil guide structure at loading bearing position, meets bearing lubrication
Demand；
2, the present invention uses the lubricating oil meeting lubricating oil fluid mechanics to get rid of the flow-guiding structure design of oil process, with
Lower during high-speed cruising, get rid of the problem that oil loss is too high；
3, the present invention uses the structure of segmentation two-stage gear drive greasing cycle, to solve to get rid of oil circulation in high speed
The problem that middle lubricating oil internal loss is too high.
Accompanying drawing explanation
Fig. 1 is the axle gear box transmission principle schematic diagram of the present invention；
Fig. 2 is the axle gear box basic structure schematic diagram of the present invention；
Fig. 3 is axle gear axle box bearing receiving port and the oil outlet structure schematic diagram of the present invention；
Fig. 4 is the receipts oil structural representation of the axle gear box font of falling T of the present invention；
Fig. 5 is the axle gear box bearing lubrication structure schematic diagram of the present invention；
Fig. 6 is the system lubrication cooling circulation schematic diagram of the present invention；
Wherein 1-casing, 2-power shaft, 3-bearing, 4-cylindrical gear pair, 5-jackshaft, 6-bevel gear pair,
7-output shaft, 8-lubrication division board, 9-bearing receiving port, the receipts oil structure of the 10-font of falling T, 11-bearing are fuel-displaced
Mouthful, oil-in reserved by 12-casing, 13-casing reserves hydraulic fluid port, A-system lubrication cooling circulation rotating forward figure, B-
System lubrication cooling circulation rotates forward structure diagram, C-system lubrication cooling circulation reversion figure, the cooling of D-system lubrication
Circulation inversion structures sketch.
Detailed description of the invention
In order to be more fully understood that the present invention, below in conjunction with Figure of description and example, present disclosure is done into one
The explanation of step.
The present invention provides a kind of axle gear box high-efficiency lubricating and cooling structure: one end of jackshaft 5 arranges circle
Stud wheel, the other end arranges bevel gear, described roller gear and the power shaft 2 being parallel to described jackshaft 5
On roller gear be respectively perpendicular to its axis, and two gears are meshed, described bevel gear be perpendicular to described in
Bevel gear engagement on the output shaft of countershaft 5, designs close to the top of described roller gear at described casing 1
The receipts oil structure 10 of the font of falling T, arranges receiving port 9 and oil-out 11 at described bearing 3, at described cylinder
Gear and bevel gear recycling cross position arrange lubrication division board 8.
The receipts oil structure 10 of the font of falling T uses symmetrical structure, and interior wall construction and described casing at casing 1 turn
Angle is excessively located to use arcuate structure form, and the external structure at casing 1 uses and meets aerodynamic outward appearance shape
Formula.
Divider wall is set between roller gear and bevel gear two-stage transmission, constitutes roller gear and bevel gear two-stage
The version that transmission is relatively isolated, it is to avoid in actual motion, during two-stage gear stirs oil lubrication, occurs
The phenomenon that greasing cycle is interfered, thus cause empty damage of system to increase；In the bottom of divider wall and middle part, profit is set
Sliding circulation hydraulic fluid port, for realizing the abundant exchange of lubricating oil.
Roller gear and bevel gear recycling cross position are provided with lubrication division board 8, it is ensured that can be lubricated
On the basis of oil fully exchange, it is achieved the high-efficiency lubricating of system.
Receipts oil structure 10 operation principle of the font of falling T includes: gear rotates and moistened by produced by inertia when stirring oil
After lubricating oil arrives the font of falling T receiving port, flow at bearing receiving port along the font of falling T direction.
The lubrication of bearing 3 includes: lubricating oil flows at bearing receiving port along I shape direction, thus realize right
The lubrication of bearing, or when gear rotates, lubricating oil rotates into reserved lubrication hole along box body wall, and then
Flowing at bearing oil-in, it is achieved the lubrication to bearing 3, after lubricating bearing 3, lubricating oil is fuel-displaced by bearing
Mouth 11 flows out.
In the front end of casing 1, rear end and side, the connecting portion on ground use orthodrome structure, dissipate increasing
While hot side is long-pending, it is possible to realize in actual moving process, and the sufficient heat exchange of air, at the end of casing
Portion devises heat dissipation grid, preferably realizes the efficient cooling of system.
Casing is prepared by following component by mass percentage: carbon C :≤0.30；Manganese Mn :≤1.20；Phosphorus P:
≤0.04；Sulfur S :≤0.04；Silicon Si :≤0.50.
Roller gear is prepared by following component by mass percentage: employing carbon C:0.17～0.23, silicon Si:
0.17～0.37, manganese Mn:0.80～1.10, chromium Cr:1.00～1.30, sulfur S: permission residual content≤
0.035, phosphorus P: allow residual content≤0.035, nickel: allow residual content≤0.030, copper Cu: permit
Permitted residual content≤0.030
Titanium Ti:0.04～0.10；
Bevel gear is prepared by following component by mass percentage: little gear by carbon C:0.17～0.23,
Silicon Si:0.17～0.3, manganese Mn:0.30～0.60, sulfur S :≤0.03, phosphorus P :≤0.03, chromium Cr:
1.25～1.65, nickel: 3.25～3.65, gear wheel by carbon C:0.17～0.23, silicon Si:0.17～
0.37, manganese Mn:0.80～1.10, chromium Cr:1.00～1.30, sulfur S: allow residual content≤0.035,
Phosphorus P: allow residual content≤0.035, nickel: allow residual content≤0.030, copper Cu: allow remnants
Content≤0.030, titanium Ti:0.04～0.10；
Bearing is prepared by following component by mass percentage: is mainly composed of Fe (ferrum element), and contains
Following oligo-element: C:0.42～0.50%, Si:0.17～0.37%, Mn:0.50～0.80%, P :≤0.035%,
S :≤0.035%, Cr :≤0.25%, Ni :≤0.25%, Cu :≤0.25%.
Shown in Fig. 1 and Fig. 2, Fig. 1 axle gear box transmission principle figure, Fig. 2 is basic block diagram.This
The bright version structurally using roller gear and bevel gear two-stage transmission to be relatively isolated, it is to avoid transport in reality
In row, during two-stage gear stirs oil lubrication, the phenomenon that greasing cycle is interfered occurs, thus causes the sky of system
Damage and increase；Meanwhile, in order to realize the abundant exchange of lubricating oil, on the bottom of divider wall and (bevel gear top, middle part
Portion), devise greasing cycle hydraulic fluid port, equally, in order to improve system effectiveness, follow at roller gear and bevel gear
Ring crossover location, devises lubrication division board 8, it is ensured that on the basis of being lubricated oil fully exchange,
Realize the efficient of system.In whole gear-box profile, have employed substantial amounts of orthodrome structure, increase heat radiation
While area, it is possible to realize in actual moving process, with the sufficient heat exchange of air, it is achieved the height of system
Effect cooling.
As shown in Figure 3 and Figure 4, the oil structure of receiving of the font of falling T is positioned at the casing top close to roller gear side,
Its structure is used for collecting gear rotation and stirs oil by lubricating oil produced by inertia.Gear is rotating and reverse two kinds
In the case of, after lubricating oil arrives the font of falling T receiving port, flow to along the font of falling T direction at bearing receiving port,
Thus providing lubrication for bearing, lubricating oil flows out through bearing oil-out subsequently.In axle gear box, also has it
The lubrication of its bearing has identical structure, and this illustrate only at one.
As it is shown in figure 5, when gear rotates, lubricating oil rotates along box body wall, enter in reserved lubrication hole,
Hence into the oil-in of bearing, by the bearing lubrication oil-out of the design in casing, it is achieved thereby that bearing
Lubrication and the circulation of lubricating oil.
As shown in Figure 6, under forward and backward duty, the circulation schematic diagram of lubricating oil.Wherein rotating forward bar
Under part, by being achieved the lubrication systemic circulation at box bottom by the oil that stirs of dynamic bevel gear；Under turn around condition,
Arranged by rational oil duct, it is achieved the circulation at (bevel gear top) in the middle part of gear-box.It can be seen that
The decapacitation of this lubrication system ensure each lubrication needs point fully given outside, also achieve between lubricating oil and casing 1
Carry out sufficient heat exchange, lay a good foundation for realizing efficiently cooling.
In order to adapt to the positive and negative working condition of axle gear box, hold before and after gear-box and be connected with side, ground etc.
Position, all have employed orthodrome structure, to realize the gear-box efficient cooling in actual condition, simultaneously bottom
Design a large amount of heat dissipation grid and also greatly improve the cooling effectiveness of gear-box.
Use the product that the present invention has developed, at input speed 2800 revs/min, axletree output speed 965
Rev/min, power dividing output speed 1950 revs/min, laboratory natural heat dissipation, lubricating oil use Mobil
80w-90 gear oil, be 60mm by dynamic bevel gear Immersion Depth, passive roller gear Immersion Depth be 30mm
Under conditions of, the unloaded moment of torsion of gear-box between 30～35Nm, no-load losses power 8.8～10.3kW,
System zero load equilibrium temperature is at 95 degrees centigrade.Check the axle gear box after hygral equilibrium test test
Each bearing point, the temperature of upper lower box, each point temperature-difference is less than 5 degrees Celsius, and maximum temperature occurs in
At the casing of the obliquely downward of dynamic bevel gear, each spot lubrication of surface system is relatively uniform, and heat exchange conditions is good.
Under conditions of input speed 180 revs/min, input power 500kW, natural cooling, system runs to heat
After balance, each bearing point, upper lower box temperature rise all less than 30 degrees Celsius, and through 50 hours strengthening examine
Core fault-free.
These are only embodiments of the invention, be not limited to the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. done, the present invention's being all contained in applying for awaiting the reply
Within right.
Claims (9)
1. axle gear box high-efficiency lubricating and a cooling structure, described axle gear box includes: one end arranges circle
Stud wheel, the other end arranges the jackshaft of bevel gear, described roller gear and the input being parallel to described jackshaft
Roller gear on axle is respectively perpendicular to described jackshaft and described input shaft axis, and roller gear phase described in two
Engagement, described bevel gear engages with the bevel gear on the output shaft being perpendicular to described jackshaft, it is characterised in that
Described axle gear box casing close to described roller gear top design the font of falling T receipts oil structure,
Bearing at described power shaft arranges receiving port and oil-out, in described roller gear and bevel gear recycling cross position
Install lubrication division board.
2. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that in institute
Interior wall construction and the described casing corner of stating casing are excessively located to use arcuate structure form.
3. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that in institute
The external structure employing stating casing meets aerodynamic appearance forrns.
4. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that described
The receipts oil structure of the font of falling T uses symmetrical structure.
5. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that composition
Described casing is prepared by following component by weight percent: carbon C :≤0.30；Manganese Mn :≤1.20；Phosphorus P:
≤0.04；Sulfur S :≤0.04；Silicon Si :≤0.50.
6. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that described
Roller gear is prepared by following component by mass percentage: employing carbon C:0.17～0.23, silicon Si:
0.17～0.37, manganese Mn:0.80～1.10, chromium Cr:1.00～1.30, sulfur S: permission residual content≤
0.035, phosphorus P: allow residual content≤0.035, nickel: allow residual content≤0.030, copper Cu: permit
Permitted residual content≤0.030
Titanium Ti:0.04～0.10；
Described bevel gear is prepared by following component by mass percentage: little gear by carbon C:0.17～
0.23, silicon Si:0.17～0.3, manganese Mn:0.30～0.60, sulfur S :≤0.03, phosphorus P :≤0.03,
Chromium Cr:1.25～1.65, nickel: 3.25～3.65, gear wheel is by carbon C:0.17～0.23, silicon Si:
0.17～0.37, manganese Mn:0.80～1.10, chromium Cr:1.00～1.30, sulfur S: permission residual content≤
0.035, phosphorus P: allow residual content≤0.035, nickel: allow residual content≤0.030, copper Cu: permit
Permitted residual content≤0.030, titanium Ti:0.04～0.10；
Described bearing is prepared by following component by mass percentage: be mainly composed of Fe (ferrum element), and
Containing following oligo-element: C:0.42～0.50%, Si:0.17～0.37%, Mn:0.50～0.80%, P :≤
0.035%, S :≤0.035%, Cr :≤0.25%, Ni :≤0.25%, Cu :≤0.25%.
7. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that described
The receipts oil structure working principle of the font of falling T includes: gear rotates and arrived by lubricating oil produced by inertia when stirring oil
After the font of falling T receiving port, flow at bearing receiving port along the font of falling T direction.
8. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that described
The lubrication of bearing includes: lubricating oil flows at bearing receiving port along the font of falling T direction, thus realizes bearing
Lubrication, or when gear rotates, lubricating oil rotates into reserved lubrication hole along box body wall, and then flows into
At bearing oil-in, it is achieved the lubrication to bearing.
9. axle gear box high-efficiency lubricating as claimed in claim 1 and cooling structure, it is characterised in that in institute
State the front end of casing, rear end and use orthodrome structure, at the end of described casing with the connecting portion of side, ground
Portion devises heat dissipation grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497335.8A CN105937615A (en) | 2016-06-29 | 2016-06-29 | Efficient lubricating and cooling structure for axle gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497335.8A CN105937615A (en) | 2016-06-29 | 2016-06-29 | Efficient lubricating and cooling structure for axle gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105937615A true CN105937615A (en) | 2016-09-14 |
Family
ID=56872224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610497335.8A Pending CN105937615A (en) | 2016-06-29 | 2016-06-29 | Efficient lubricating and cooling structure for axle gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105937615A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620006A (en) * | 2017-09-29 | 2018-01-23 | 太仓市三源机电有限公司 | A kind of material of new making gear |
| CN113954775A (en) * | 2020-07-20 | 2022-01-21 | 丰田自动车株式会社 | Sliding member for automobile |
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| CN104251296A (en) * | 2013-06-28 | 2014-12-31 | 常州市瑞泰工程机械有限公司 | Hydraulic-hydraumatic comprehensive driving axle gear box |
| CN104455336A (en) * | 2014-10-14 | 2015-03-25 | 资阳南车传动有限公司 | Railroad engineering car axle gear box |
| CN204533372U (en) * | 2015-03-30 | 2015-08-05 | 湖北威能达传动有限责任公司 | A kind of axle gear box |
| CN105443732A (en) * | 2015-12-22 | 2016-03-30 | 常州市瑞泰工程机械有限公司 | Hydraulic transmission axle gear box body |
| CN205298483U (en) * | 2016-01-19 | 2016-06-08 | 湖北赛尼尔机械制造有限公司 | Branch mailbox independent lubrication's locomotive reduction gear |
-
2016
- 2016-06-29 CN CN201610497335.8A patent/CN105937615A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251296A (en) * | 2013-06-28 | 2014-12-31 | 常州市瑞泰工程机械有限公司 | Hydraulic-hydraumatic comprehensive driving axle gear box |
| CN104455336A (en) * | 2014-10-14 | 2015-03-25 | 资阳南车传动有限公司 | Railroad engineering car axle gear box |
| CN204533372U (en) * | 2015-03-30 | 2015-08-05 | 湖北威能达传动有限责任公司 | A kind of axle gear box |
| CN105443732A (en) * | 2015-12-22 | 2016-03-30 | 常州市瑞泰工程机械有限公司 | Hydraulic transmission axle gear box body |
| CN205298483U (en) * | 2016-01-19 | 2016-06-08 | 湖北赛尼尔机械制造有限公司 | Branch mailbox independent lubrication's locomotive reduction gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620006A (en) * | 2017-09-29 | 2018-01-23 | 太仓市三源机电有限公司 | A kind of material of new making gear |
| CN113954775A (en) * | 2020-07-20 | 2022-01-21 | 丰田自动车株式会社 | Sliding member for automobile |
| CN113954775B (en) * | 2020-07-20 | 2023-12-12 | 丰田自动车株式会社 | Sliding member for automobile |
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Application publication date: 20160914 |
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| RJ01 | Rejection of invention patent application after publication |