CN110259922A - A kind of oil liquid sealing and cooling device applied to gearbox stomata - Google Patents
A kind of oil liquid sealing and cooling device applied to gearbox stomata Download PDFInfo
- Publication number
- CN110259922A CN110259922A CN201910222609.6A CN201910222609A CN110259922A CN 110259922 A CN110259922 A CN 110259922A CN 201910222609 A CN201910222609 A CN 201910222609A CN 110259922 A CN110259922 A CN 110259922A
- Authority
- CN
- China
- Prior art keywords
- hole
- gearbox
- inserts
- mounting post
- oil
- 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.)
- Granted
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
A kind of oil liquid sealing and cooling device applied to gearbox stomata is machined with the mounting post of through-hole, the venthole of the through-hole connection gearbox of mounting post including inside；The through-hole of mounting post is larger for the bore on reducing type duct and top, inserts is packed into the through-hole of mounting post from top aperture, inserts is stuck in the middle part of the through-hole of mounting post；The inserts is lid-like, and the top surface of inserts is closed and offers gas vent in bottom surrounding, and there are exhaust clearances between inserts and the hole wall of mounting post.The effect of mounting post is connection transmission internal and outside atmosphere, drains the high temperature oil vapour of transmission internal, provides the channel of oil gas excretion.The effect of inserts is the flow path for changing oil gas, extends oil gas flow distance, sufficiently reduces oil gas temperature, flow back gearbox after condensing oil gas sufficiently.The present invention is composed using split type processing, and compact-sized, oil-leakage-prevention effect is obvious.
Description
Technical field
The invention belongs to gearbox designs design fields, are related to a kind of oil liquid sealing cooling applied to gearbox stomata
Device.
Background technique
Gearbox is understood when design there are the channel of connection transmission internal and outside atmosphere, referred to as venthole,
Effect is the air pressure balanced inside and outside gearbox, to prevent in case air pressure is excessively high to lead to oil sealing premature aging and damage.
When gearbox works under the operating condition of high-speed overload, high-speed rotating gear gets rid of oil liquid to speed change chamber interior wall,
In addition the loss of gear engagement, which is completely converted into heat, causes the temperature inside the box high, and gear oil generates steam, is full of cabinet space, makes
Pressure rise in case, oil vapour can be flowed out together with the oil liquid of splashing by venthole, and grease stain or permanent is formed outside gearbox
Leakage.
For oil leakage fault, the common practice of major manufacturing enterprise is installed additional at gearbox stomata both at home and abroad at present
One breather plug, but oil liquid sealing and cooling can not be realized well only by breather plug, it is therefore desirable to breather plug
Structure be transformed, such as increase labyrinth channel etc., and if breather plug internal structure is excessively complicated, processing cost can be very
It is high.
Summary of the invention
It is an object of the invention to being directed to above-mentioned the problems of the prior art, provide a kind of applied to gearbox stomata
Oil liquid sealing and cooling device, using it is split type processing be composed, can to sputter come oil liquid and oil gas effectively stop with
It is cooling.
To achieve the goals above, the technical solution adopted by the present invention are as follows: the mounting post of through-hole, peace are machined with including inside
Fill the venthole of the through-hole connection gearbox of column；The through-hole of mounting post is larger for the bore on reducing type duct and top, from top
Aperture is packed into inserts into the through-hole of mounting post, and inserts is stuck in the middle part of the through-hole of mounting post；The inserts is lid-like, embedding
The top surface of part is closed and offers gas vent in bottom surrounding, and there are exhaust clearances between inserts and the hole wall of mounting post；Speed change
Oil liquid and oil gas that case is thrown away enter the through-hole of mounting post, consume energy for the first time by hole wall in through-hole lower part duct, remaining
Completely consuming for energy is realized in the top surface that oil liquid and oil gas reach inserts, and oil liquid flows back to change along the inner wall of inserts and mounting post
It is re-used in fast case；Oil gas part is discharged after inserts inner space is cooling for the first time from gas vent, into the logical of mounting post
Hole top by second of cooling of hole wall and reduces flow velocity in through-hole top duct, and the oil droplet condensed into flows back in gearbox.
The degree that the height of the inserts cools down as needed is adjusted, and then adjusts the flow distance of oil gas.
Up big and down small inverted cone-shaped irregularly-shaped hole is processed as inside the inserts.
The bottom surface of inserts processes rotary table outer rim, and rotary table outer rim is extended out to be bonded with the through-hole wall of mounting post, and pacifies
Position, which is attached to, between the latter two does not have gap, and the gas vent is located at the top of rotary table outer rim.
The top of the mounting post installs vent cap additional, opens up the gas outlet being connected to through-hole on vent cap.
The vent cap is machined with the gas outlet elongated surfaces of back taper in its lower surface around gas outlet.
The through-hole of the mounting post includes inserts load hole and gearbox butt hole, and in the gearbox butt hole
Both ends be machined with respectively cooperation gearbox stomata and inserts bottom surface chamfering.
The screw thread for increasing surface area is machined on the through-hole wall of the mounting post.
The outer profile of the mounting post is step column, mounting post be integrally machined molding or by multi-section point splicing assembly and
At.
Compared with prior art, the present invention has the function of following the utility model has the advantages that mounting post is connection transmission internal
With outside atmosphere, the high temperature oil vapour of transmission internal is drained, the channel of oil gas excretion is provided.The effect of inserts is to change oil
The flow path of gas extends oil gas flow distance, sufficiently reduces oil gas temperature, flow back gearbox after condensing oil gas sufficiently.When
Splashing oil liquid in gearbox mixes oil gas and enters inside the device of the invention from the venthole of gearbox, which can be right
Splashing oil liquid plays effective inhibition, and can play effective cooling effect to splashing oil liquid and oil gas simultaneously, installs this additional
Gearbox splashing oil liquid and oil gas can be effectively prevent to escape to outside gearbox after the device of invention, reach effective oil-leakage-prevention effect
Fruit.In addition, apparatus of the present invention are made of mounting post and inserts two parts, compared to existing breather plug, two parts separate machined
Later, structure is simple, is easy production, is assemblied together again after processing respectively, compact-sized, oil-leakage-prevention effect is obvious.
Detailed description of the invention
The operation principle schematic diagram of Fig. 1 apparatus of the present invention entirety；
The structural schematic diagram of Fig. 2 mounting post of the present invention: (a) front view；(b) cross-sectional view；(c) top view；
The structural schematic diagram of Fig. 3 inserts of the present invention: (a) front view；(b) cross-sectional view；(c) top view；
In attached drawing: 1- mounting post；2- inserts；The gas outlet 3- elongated surfaces；1-1. vent cap；1-2. screw thread；1-3. inserts dress
Enter hole；1-4. gearbox butt hole；2-1. gas vent；2-2. rotary table outer rim.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
The present invention is applied to the oil liquid sealing and cooling device of gearbox stomata, includes mounting post 1 and inserts in structure
2。
Referring to fig. 2 (a), the outer profile of Fig. 2 (b), Fig. 2 (c), mounting post 1 are step column, and inside is machined with through-hole, adopts
It is assembled with being integrally machined molding or being spliced by multi-section point.The venthole of the through-hole connection gearbox of mounting post 1, through-hole is to become
The bore on diameter formula duct and top is larger, including inserts load hole 1-3 and gearbox butt hole 1-4, from top aperture to peace
It fills and is packed into inserts 2 in the through-hole of column 1, inserts 2 is stuck in the middle part of the through-hole of mounting post 1.The both ends of gearbox butt hole 1-4 add respectively
Work has the chamfering of cooperation gearbox stomata and inserts bottom surface, is threaded 1-2 on through-hole wall.
Vent cap 1-1 can be installed additional at the top of mounting post 1 of the present invention, open up on vent cap 1-1 be connected to through-hole out
Port.Vent cap 1-1 is machined with the gas outlet elongated surfaces 3 of back taper in its lower surface around gas outlet.
Referring to Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), inserts 2 is lid-like, and the top surface of inserts 2 is closed and in bottom surrounding
Gas vent 2-1 is offered, there are exhaust clearances between inserts 2 and the hole wall of mounting post 1.The height of inserts 2 cools down as needed
Degree be adjusted, the flow distance of oil gas is adjusted by inserts 2.The bottom surface of inserts 2 processes rotary table outer rim 2-2, rotary table
Outer rim 2-2 is extended out to be bonded with the through-hole wall of mounting post 1, and is installed in place between the latter two and does not have gap, gas vent
2-1 is located at the top of rotary table outer rim 2-2.The inside of inserts 2 can be processed as up big and down small inverted cone-shaped irregularly-shaped hole.
Referring to Fig. 1, the working principle of the invention and the course of work are as follows: when the oil liquid and oil gas thrown away in gearbox is through installing
The elongated hole of the downside of column 1 enter inserts 2 it is inner when, the oil liquid and oil gas major part energy thrown away is passing through mounting post elongated hole
When consumed by the hole wall of aperture, remaining part splashing oil liquid energy and oil gas can directly reach the top of inserts 2, at this point,
The energy of splashing oil liquid is consumed completely, and oil liquid is flowed back in gearbox along the inner wall of inserts 2 and re-used.Oil gas part exists
2 upside space of inserts can just exclude after supercooling from the aperture at four sides, and the oil gas excluded from inserts 2 touches mounting post first
The threaded hole of 1 medial surface is conducive to radiate since screw thread aperture surface area is big, and oil gas understands the cold of a step after interior threaded surface
But, oil gas after cooling continues up on the upside of the mounting hole for reaching mounting post 1, at this time compared to downside aperture and parietal suture, oil gas
The big manyfold of the flowing space, according to bernoulli principle, oil gas flow velocity can further decrease at this time, and oil gas can be further
It to cooling, is flowed back in gearbox to condense into oil droplet, it is therefore prevented that splashing oil liquid and oil gas leak out outside gearbox, reach oil-leakage-prevention
Effect.
The effect of mounting post 1 of the present invention is connection transmission internal and outside atmosphere, drains transmission internal high temperature oil
Steam provides the channel of oil gas excretion.The effect of inserts 2 is the flow path for changing oil gas, extends oil gas flow distance, sufficiently
Oil gas temperature is reduced, flow back gearbox after condensing oil gas sufficiently.The downside rotary table size and mounting post hole size one of inserts 2
Cause, there is no gap after installation, prevent oil gas from revealing from gap and without inserts 2.Inserts 2 can according to need do it is thicker
It is longer, utmostly extend oil gas flow distance, as shown by arrows in figure.The inner hole of inserts 2 is made into inverted cone-shaped irregularly-shaped hole, makes
There is the cooling oil gas flowed out from gearbox in sufficiently large space in side.Mounting post 1 also can be made multi-section packing ligand, in upside
Increase the part of similar lid, underside is inverted cone-shaped, and intermediate there are circular holes, further extends oil gas flow distance.
The above is only presently preferred embodiments of the present invention, not to do restriction in any form to the present invention,
Those of ordinary skill in the art are not it should be understood that under the premise of departing from the technology of the present invention design, in technical solution very
More places can also carry out several simple modifications and replacement, these are modified and replacement also can fall into the protection model of claim
It encloses.
Claims (9)
1. a kind of oil liquid sealing and cooling device applied to gearbox stomata, it is characterised in that: be machined with through-hole including inside
Mounting post (1), mounting post (1) through-hole connection gearbox venthole；The through-hole of mounting post (1) be reducing type duct and on
The bore in portion is larger, inserts (2) is packed into the through-hole of mounting post (1) from top aperture, inserts (2) is stuck in mounting post (1)
In the middle part of through-hole；The inserts (2) is lid-like, and the top surface of inserts (2) is closed and offers gas vent (2- in bottom surrounding
1), there are exhaust clearances between inserts (2) and the hole wall of mounting post (1)；The oil liquid and oil gas that gearbox is thrown away enter mounting post
(1) through-hole consumes energy by hole wall in through-hole lower part duct for the first time, and remaining oil liquid and oil gas reach the top of inserts (2)
Completely consuming for energy is realized in face, and oil liquid is flowed back in gearbox along the inner wall of inserts (2) and mounting post (1) and re-used；
Oil gas part is discharged after inserts (2) inner space is cooling for the first time from gas vent (2-1), on the through-hole of mounting post (1)
Portion by second of cooling of hole wall and reduces flow velocity in through-hole top duct, and the oil droplet condensed into flows back in gearbox.
2. being applied to the oil liquid sealing and cooling device of gearbox stomata according to claim 1, it is characterised in that: described embedding
The degree that the height of part (2) cools down as needed is adjusted, and then adjusts the flow distance of oil gas.
3. being applied to the oil liquid sealing and cooling device of gearbox stomata according to claim 1, it is characterised in that: described
Up big and down small inverted cone-shaped irregularly-shaped hole is processed as inside inserts (2).
4. being applied to the oil liquid sealing and cooling device of gearbox stomata according to claim 1, it is characterised in that: inserts
(2) bottom surface processes rotary table outer rim (2-2), and rotary table outer rim (2-2) is extended out to be bonded with the through-hole wall of mounting post (1),
And be installed in place between the latter two and there is no gap, the gas vent (2-1) is located at the top of rotary table outer rim (2-2).
5. being applied to the oil liquid sealing and cooling device of gearbox stomata according to claim 1, it is characterised in that: the peace
The top for filling column (1) installs vent cap (1-1) additional, opens up the gas outlet being connected to through-hole on vent cap (1-1).
6. being applied to the oil liquid sealing and cooling device of gearbox stomata according to claim 5, it is characterised in that: described
Vent cap (1-1) is machined with the gas outlet elongated surfaces (3) of back taper in its lower surface around gas outlet.
7. being applied to the oil liquid sealing and cooling device of gearbox stomata according to claim 1, it is characterised in that: the peace
The through-hole for filling column (1) includes inserts load hole (1-3) and gearbox butt hole (1-4), and in the gearbox butt hole
The both ends of (1-4) are machined with the chamfering of cooperation gearbox stomata and inserts bottom surface respectively.
8. being applied to the oil liquid sealing and cooling devices of gearbox stomata according to claim 1 or described in 7, it is characterised in that: institute
State the screw thread (1-2) being machined on the through-hole wall of mounting post (1) for increasing surface area.
9. being applied to the oil liquid sealing and cooling devices of gearbox stomata according to claim 1 or described in 7, it is characterised in that: institute
The outer profile for stating mounting post (1) is step column, and mounting post (1) is integrally machined molding or is assembled by multi-section point splicing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222609.6A CN110259922B (en) | 2019-03-22 | 2019-03-22 | Be applied to fluid seal cooling device of gearbox air vent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222609.6A CN110259922B (en) | 2019-03-22 | 2019-03-22 | Be applied to fluid seal cooling device of gearbox air vent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259922A true CN110259922A (en) | 2019-09-20 |
| CN110259922B CN110259922B (en) | 2023-07-14 |
Family
ID=67912989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910222609.6A Active CN110259922B (en) | 2019-03-22 | 2019-03-22 | Be applied to fluid seal cooling device of gearbox air vent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259922B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669420A (en) * | 2021-10-22 | 2021-11-19 | 深圳柏成科技有限公司 | New forms of energy passenger train planetary transmission |
| CN113719602A (en) * | 2021-07-13 | 2021-11-30 | 东风汽车集团股份有限公司 | Gearbox air breather and gearbox |
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| JP2008185094A (en) * | 2007-01-29 | 2008-08-14 | Daihatsu Motor Co Ltd | Breather device for transmission |
| CN202032068U (en) * | 2011-04-29 | 2011-11-09 | 长城汽车股份有限公司 | Novel breather plug for automobile |
| CN203627743U (en) * | 2013-11-28 | 2014-06-04 | 长城汽车股份有限公司 | Ventilation plug for gearbox |
| CN205315669U (en) * | 2015-12-28 | 2016-06-15 | 浙江吉利汽车研究院有限公司 | Vent structure of leak protection oil and oil gas |
| CN107461481A (en) * | 2017-08-21 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | A kind of automobile rear axle vent valve |
| CN208417477U (en) * | 2018-07-09 | 2019-01-22 | 范小蓉 | Engine mission pressure relief device |
| CN209909125U (en) * | 2019-03-22 | 2020-01-07 | 陕西法士特齿轮有限责任公司 | Oil leakage prevention device for vent hole of gearbox |
-
2019
- 2019-03-22 CN CN201910222609.6A patent/CN110259922B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921464Y (en) * | 2006-05-26 | 2007-07-11 | 重庆长安汽车股份有限公司 | Vehicle speed variator core vent |
| JP2008185094A (en) * | 2007-01-29 | 2008-08-14 | Daihatsu Motor Co Ltd | Breather device for transmission |
| CN202032068U (en) * | 2011-04-29 | 2011-11-09 | 长城汽车股份有限公司 | Novel breather plug for automobile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719602A (en) * | 2021-07-13 | 2021-11-30 | 东风汽车集团股份有限公司 | Gearbox air breather and gearbox |
| CN113719602B (en) * | 2021-07-13 | 2024-01-16 | 东风汽车集团股份有限公司 | Gearbox ventilation device and gearbox |
| CN113669420A (en) * | 2021-10-22 | 2021-11-19 | 深圳柏成科技有限公司 | New forms of energy passenger train planetary transmission |
| CN113669420B (en) * | 2021-10-22 | 2021-12-28 | 深圳柏成科技有限公司 | New forms of energy passenger train planetary transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110259922B (en) | 2023-07-14 |
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