CN106122455A - Gear-box ventilation device - Google Patents
Gear-box ventilation device Download PDFInfo
- Publication number
- CN106122455A CN106122455A CN201610790832.7A CN201610790832A CN106122455A CN 106122455 A CN106122455 A CN 106122455A CN 201610790832 A CN201610790832 A CN 201610790832A CN 106122455 A CN106122455 A CN 106122455A
- Authority
- CN
- China
- Prior art keywords
- gear
- pedestal
- cap
- box
- annular boss
- 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
Abstract
The present invention relates to gear-box ventilating technology field, it is provided that a kind of gear-box ventilation device.This structure includes the cap outside the pedestal being arranged on outside gear-box blow vent and the top being located at pedestal and sidewall；The inside of pedestal has cavity, and the bottom of cavity connects with gear-box blow vent；Between inwall and the outer wall of pedestal of cap, there is the airspace that the top with cavity connects；In airspace and be positioned on the outer wall of pedestal and be circumferentially with first annular boss, between first annular boss and cap, there is gap, have in the lower section of first annular boss and the extraneous ring-shaped ventilation road communicated.Thus, when there being the external fluid side to cap and pedestal to attack, segment fluid flow can enter in the ring-shaped ventilation road of this side, this segment fluid flow continues flow forward under the stop of first annular boss and is flowed out by the opposite side in ring-shaped ventilation road along ring-shaped ventilation road, extraneous silt thus can be greatly reduced and water enters into the probability of gear-box.
Description
Technical field
The present invention relates to gear-box ventilating technology field, be specifically related to a kind of gear-box ventilation device, be specifically
Relate to the gear-box ventilation device of a kind of rail vehicle.
Background technology
Gear in the gear-box of rail vehicle is when high speed, heavy duty operating, and some lubricating oil is met localized hyperthermia and can be become
Gas, volume can expand manyfold, if not discharging pressure, will accumulated pressure, finally break through somewhere " weak " position, cause
Reveal or accident, therefore a breather have to be set on gear-box.
For preventing dust or liquid etc. from being entered by the passage of gear-box, it is common that arrange one outside the passage of gear-box
The individual breather for filtering, to completely cut off the material such as dust and water while ventilation；But along with sending out of China railways technology
Exhibition, rail vehicle uses speed more and more higher, and vehicle transport environment is changeable, and existing gear-box breather does not still reach
The requirement used, gear-box during using often because current rinse or snow and ice cover and cause what gear-box intake to show
As, cause gear-box that emulsifying, blackout phenomenon occur.
Summary of the invention
(1) to solve the technical problem that
The present invention is to solve the gear-box ventilation device isolation dust of existing rail vehicle and the poor effect of liquid stream
Technical problem.
(2) technical scheme
For solving above-mentioned technical problem, the invention provides a kind of gear-box ventilation device, this structure includes being arranged on tooth
Pedestal outside roller box blow vent and the cap outside being located at the top of described pedestal and sidewall；The inside of described pedestal has sky
Chamber, the bottom of described cavity connects with described gear-box blow vent；Have between inwall and the outer wall of described pedestal of described cap
There is the airspace that the top with described cavity connects；In described airspace and be positioned on the outer wall of described pedestal circumference
It is provided with first annular boss, between described first annular boss and described cap, there is gap, at described first annular boss
Lower section has the ring-shaped ventilation road communicated with the external world.
Preferably, on the inwall of described cap and be positioned at described first annular boss be arranged over the second convex annular
Platform, has gap between described second annular boss and the outer wall of described pedestal.
Preferably, it is provided with for mistake in the airspace between described first annular boss and described second annular boss
First implant of filter.
Preferably, the partial ventilation gap between top and the described cap of described pedestal is compared with the remainder of airspace
Narrow.
Preferably, the second implant for filtering it is provided with in described cavity.
Preferably, on the inwall of described pedestal and be positioned at described second implant be connected above the first waffle slab,
Having sub-chamber between described first waffle slab and the top of described cap, described sub-chamber connects with described airspace.
Preferably, on the inwall of described pedestal and be positioned at the lower section of described second implant and be provided with the second waffle slab.
Preferably, the external circumferential of described first annular boss is provided with multiple first positioning boss, described first convex
Platform and the inwall sliding contact of described cap.
Preferably, the bottom of described pedestal has outward extending skirt border structure, described skirt border structure and described gear-box
Operative gear case outside blow vent connects；The bottom of pedestal and described skirt border structure are cambered surface transition.
Preferably, the bottom of described cap extends outward multiple connecting portion for being connected with described shirt rim, multiple
Described connecting portion is the most symmetrical in the circumference of described cap.
(3) beneficial effect
A kind of gear-box ventilation device that the present invention provides, sets by arranging pedestal and the cover connected with gear-box blow vent
Cap outside pedestal, to be formed for the airspace to gear-box ventilation between pedestal and cap；And between this ventilation
One circle first annular boss is set on the gear-box outer wall in gap, thus outside a circle formed below of first annular boss leads to
The ring-shaped ventilation road on boundary.Thus, when there being the external fluid side to cap and pedestal to attack, segment fluid flow can enter into this side
Ring-shaped ventilation road in, this segment fluid flow under the stop of first annular boss along ring-shaped ventilation road continue flow forward,
And flowed out by the opposite side in ring-shaped ventilation road, extraneous silt thus can be greatly reduced and water enters into the probability of gear-box.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of gear-box ventilation device of the embodiment of the present invention.
Fig. 2 is the top view of a kind of gear-box ventilation device of the embodiment of the present invention.
Fig. 3 is the sectional view in A-A direction in Fig. 2.
Fig. 4 is the schematic diagram of the pedestal of the embodiment of the present invention.
Fig. 5 is the top view of the cap of the embodiment of the present invention.
Fig. 6 is the side view of the cap of the embodiment of the present invention.
Reference:
1, pedestal；2, cap body；3, top cover；4, the first waffle slab；5, the second implant；6, the first implant；7, the first ring
Shape boss；71, the first positioning boss；72, the second positioning boss；8, the second annular boss；9, ring-shaped ventilation road；10, cambered surface mistake
Cross；12, bolt；13, cap；14, circlip；15, sub-chamber；16, the second waffle slab；17, connecting portion；18, cavity.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " connects " and should do
Broadly understood, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be joined directly together,
Can also be indirectly connected to by intermediary.For the ordinary skill in the art, can understand above-mentioned with concrete condition
Term concrete meaning in the present invention.
Shown in Fig. 1 and Fig. 4, a kind of gear-box ventilation device that the embodiment of the present invention provides, including being arranged on gear
Pedestal outside case blow vent 1 and the cap 13 outside being located at the top of described pedestal 1 and sidewall；Pedestal 1 upwards prolongs for entirety
The tubular structure stretched, the bottom of pedestal 1 has outward extending skirt border structure, and skirt border structure can be led to gear-box by bolt 12
Operative gear case outside QI KOU connects；The inside of pedestal 1 has cavity 18, and the bottom of cavity 18 is with gear-box blow vent even
Logical, the top of cavity 18 is opened type structure；Cap 13 is to have top cover 3 and the cap-like structure of cap body 2, the cap body 2 of cap 13
And there is between the outer wall of pedestal 1 ring-type gap, between top cover 3 and the top of pedestal 1 of cap 13, there is interval, thus make
The airspace connected with the top of cavity 18 is formed between the inwall of cap 13 and the outer wall of pedestal 1；Thus, when in gear-box
When producing the change of air pressure because of the work of gear, air-flow just can by this airspace into or out gear-box, thus
Make the air pressure in gear-box be balanced, and the flowing of this process gas also can form a certain degree of cooling and make gear-box
With.
Wherein, in conjunction with shown in Fig. 3, in this airspace and be positioned on the outer wall of pedestal 1 and be circumferentially with ring-type
One annular boss 7, has for by the gap of air-flow between first annular boss 7 and cap 13, and at first annular boss 7
Lower section airspace in be just naturally formed a ring-shaped ventilation road 9, and this ring-shaped ventilation road 9 is in communication with the outside.By
This, when having external fluid (this fluid is probably and is mingled with the air-flow of dust storm, it is also possible to silt or current) to cap 13 and base
When the side of seat 1 attacks, segment fluid flow can enter in the ring-shaped ventilation road 9 of this side, after fluid enters in ring-shaped ventilation road 9
Can impact pedestal 1 outer wall of this side, after impacting with pedestal 1 outer wall, fluid can four scatter: most fluids can be to
The shunting of the left and right sides, and then continue front flowing along ring-shaped ventilation road 9；Downward shunting can be stopped by pedestal 1 shirt rim
And be driven annularly airway 9 and flow；Part shunting upwards can be driven by the stop of first annular boss 7
Annularly airway 9 flows.So final overwhelming majority fluid all can flow along ring-shaped ventilation road 9, and it flow to opposite side
Time just flowed out by ring-shaped ventilation road 9, extraneous silt thus can be greatly reduced and water enters into the probability of gear-box.
It addition, on the inwall of cap 13 and be positioned at above first annular boss 7 and be preferably also provided with the second annular boss
8, between the second annular boss 8 and the outer wall of pedestal 1, there is gap, this gap is used for causing air flow through；Due to this second boss
It is arranged on the opposite side of first annular boss 7, even if so having a small amount of dust storm or liquid stream through first annular boss 7 and cap
Gap between 13, this part dust storm or liquid stream through this gap again can be by the second convex annular during flowing up
The stop of platform 8, and the air inlet of S-shaped flows through and can't affect air inlet effect, but the bigger dust storm of inertia or current can be formed
Good iris action.
Further, be preferably also provided with in the airspace between first annular boss 7 and the second annular boss 8 for
Filter the first implant 6 of air inlet, this first implant 6 can be made up of materials such as filter cottons, for entering with air-flow
Sand and dust or water form absorption and filter, and prevent impurity from entering gear-box further.
As it is shown in figure 1, its remaining part of the partial ventilation gap the most relatively airspace between the top of pedestal 1 and cap 13
Divide narrow, specifically can the annular groove that a circle is corresponding with the top of pedestal 1 be set in the inner side of the top cover 3 of cap 13, pedestal 1
Top be inserted in this annular groove and with the bottom of groove and sidewall retention gap, the width in this gap is then less than pedestal 1
Airspace between the sidewall of sidewall and cap 13, is consequently formed a labyrinth dustproof construction, intercepts in air-flow further
Dust and liquid.
Can also be provided for the second implant 5 filtered in cavity 18, this second implant 5 can be by filter cotton etc.
Material is made, and for the sand and dust entered with air-flow or water being formed absorption and filtering, prevents impurity from entering gear-box further.
Further, on the inwall of pedestal 1 and be positioned at the second implant 5 be connected above the first waffle slab 4, should
The edge of the first waffle slab 4 is embedded in the inwall of cavity 18, and by the sidewall contact of circlip 14 with cavity 18, is used for
Under press there is between the second implant 5, and this first waffle slab 4 and top of cap 13 sub-chamber 15, sub-chamber 15 and airspace
Connection.Thus, make to be formed between the top of the second implant 5 and the top cover 3 of the second cap 13 interval by the first waffle slab 4,
So that the gas entered by airspace is introduced in sub-chamber 15, the most uniformly through the second implant 5, compared to
Second implant 5 is full of the set-up mode of whole cavity 18, and the design can make the entirety of the second implant 5 give play to filtration
Effect, therefore filter effect is more preferably.
On the inwall of pedestal 1 and be positioned at the lower section of the second implant 5 and be preferably provided with the second waffle slab 16, the most permissible
Near the position setting table stage structure of gear-box blow vent on the inwall of cavity 18, it is used for setting up this second waffle slab 16；
And the second implant 5 can be limited in cavity by arranging of the second waffle slab 16, prevent it from entering in gear-box blow vent.
Shown in Fig. 5 and Fig. 6, the external circumferential of first annular boss 7 is preferably provided with multiple first positioning boss 71, the
One positioning boss 71 and the inwall sliding contact of cap 13；The inwall of cavity 18 can also arrange multiple second boss 72,
First boss 71 and the second boss 72 are formed for the operation that cap 13 is installed to pedestal 1 and guide, the location of aspect cap 13
Operation.
Shown in Fig. 1 and Fig. 2, the bottom of cap 13 extends outward multiple connecting portion for being connected with shirt rim
17, fixing for the cap 13 being located on pedestal 1 is formed；And multiple connecting portion 17 is symmetrical two-by-two in the circumference of cap 13
Distribution, the dust storm and the liquid stream that it is possible to ensure to be entered by cap 13 side can be smoothly by the opposite sides in ring-shaped ventilation road 9
Discharge, will not be by the stop of connecting portion 17.
Referring again to Fig. 3, the bottom of pedestal 1 and skirt border structure are cambered surface transition 10, and the transition of cambered surface can be to the air-flow entered
Form the effect of water conservancy diversion, the air-flow entering ring-shaped ventilation road 9 is drained into the underface of first annular boss 7, accepts the first ring
The stop of shape boss 7, and eddy current can be formed by the fluid after the stop of first annular boss 7, lead to annular with the form of eddy current
The opposite side flowing of air flue 9, and again suitable by the guide functions of opposite side cambered surface transition 10 when flowing out ring-shaped ventilation road 9
Flowing out from ring-shaped ventilation road 9 of profit, thus stop external air flow to enter in gear-box further.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and replacement, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a gear-box ventilation device, it is characterised in that include the pedestal being arranged on outside gear-box blow vent and be located at institute
State the cap outside the top of pedestal and sidewall；The inside of described pedestal has cavity, the bottom of described cavity and described gear
Case blow vent connects；There is between the inwall of described cap with the outer wall of described pedestal the ventilation that the top with described cavity connects
Gap；In described airspace and be positioned on the outer wall of described pedestal and be circumferentially with first annular boss, described first annular
Between boss and described cap, there is gap, there is in the lower section of described first annular boss the ring-shaped ventilation communicated with the external world
Road.
Gear-box ventilation device the most according to claim 1, it is characterised in that on the inwall of described cap and be positioned at
Described first annular boss be arranged over the second annular boss, between described second annular boss and the outer wall of described pedestal have
There is gap.
Gear-box ventilation device the most according to claim 2, it is characterised in that at described first annular boss and described the
The first implant for filtering it is provided with in airspace between second ring boss.
Gear-box ventilation device the most according to claim 1, it is characterised in that the top of described pedestal and described cap it
Between partial ventilation gap narrow compared with the remainder of airspace.
Gear-box ventilation device the most according to claim 1, it is characterised in that be provided with in described cavity for filter the
Two implants.
Gear-box ventilation device the most according to claim 5, it is characterised in that on the inwall of described pedestal and be positioned at
Described second implant be connected above the first waffle slab, between described first waffle slab and the top of described cap, there is son
Chamber, described sub-chamber connects with described airspace.
Gear-box ventilation device the most according to claim 1, it is characterised in that on the inwall of described pedestal and be positioned at
The lower section of described second implant is provided with the second waffle slab.
Gear-box ventilation device the most according to claim 1, it is characterised in that the external circumferential of described first annular boss
It is provided with the inwall sliding contact of multiple first positioning boss, described first positioning boss and described cap.
9. according to the gear-box ventilation device described in any one of claim 1 to 8, it is characterised in that the bottom tool of described pedestal
Outward extending skirt border structure, described skirt border structure is had to be connected with the operative gear case outside described gear-box blow vent；Pedestal
Bottom and described skirt border structure be cambered surface transition.
Gear-box ventilation device the most according to claim 8, it is characterised in that the bottom of described cap extends outward
Having multiple connecting portion for being connected with described shirt rim, multiple described connecting portions are symmetrical two-by-two in the circumference of described cap to be divided
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790832.7A CN106122455B (en) | 2016-08-31 | 2016-08-31 | Gear-box ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790832.7A CN106122455B (en) | 2016-08-31 | 2016-08-31 | Gear-box ventilation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122455A true CN106122455A (en) | 2016-11-16 |
| CN106122455B CN106122455B (en) | 2019-01-11 |
Family
ID=57271012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610790832.7A Active CN106122455B (en) | 2016-08-31 | 2016-08-31 | Gear-box ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122455B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094485A (en) * | 2019-06-13 | 2019-08-06 | 李易擎 | Gas pressure automatic balancing arrangement inside and outside gear-box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275127A (en) * | 2005-03-29 | 2006-10-12 | Keeper Co Ltd | Breather device |
| JP2007064425A (en) * | 2005-09-01 | 2007-03-15 | Toyota Motor Corp | Breather plug |
| JP2007127139A (en) * | 2005-10-31 | 2007-05-24 | Aisin Aw Co Ltd | Breather device |
| CN104864076A (en) * | 2015-05-22 | 2015-08-26 | 陕西法士特齿轮有限责任公司 | Ventilation plug |
| CN206145105U (en) * | 2016-08-31 | 2017-05-03 | 中车青岛四方机车车辆股份有限公司 | Gear box vent structure |
-
2016
- 2016-08-31 CN CN201610790832.7A patent/CN106122455B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275127A (en) * | 2005-03-29 | 2006-10-12 | Keeper Co Ltd | Breather device |
| JP2007064425A (en) * | 2005-09-01 | 2007-03-15 | Toyota Motor Corp | Breather plug |
| JP2007127139A (en) * | 2005-10-31 | 2007-05-24 | Aisin Aw Co Ltd | Breather device |
| CN104864076A (en) * | 2015-05-22 | 2015-08-26 | 陕西法士特齿轮有限责任公司 | Ventilation plug |
| CN206145105U (en) * | 2016-08-31 | 2017-05-03 | 中车青岛四方机车车辆股份有限公司 | Gear box vent structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094485A (en) * | 2019-06-13 | 2019-08-06 | 李易擎 | Gas pressure automatic balancing arrangement inside and outside gear-box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106122455B (en) | 2019-01-11 |
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