CN205639569U - Output shaft end seal structure , high -speed gear box and use its rail vehicle - Google Patents
Output shaft end seal structure , high -speed gear box and use its rail vehicle Download PDFInfo
- Publication number
- CN205639569U CN205639569U CN201620286430.9U CN201620286430U CN205639569U CN 205639569 U CN205639569 U CN 205639569U CN 201620286430 U CN201620286430 U CN 201620286430U CN 205639569 U CN205639569 U CN 205639569U
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- Prior art keywords
- labyrinth
- labyrinth seal
- ring
- output shaft
- dash
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Abstract
The utility model discloses an output shaft end seal structure, high -speed gear box and use its rail vehicle relates to rail vehicle drive line technical field to solve the sealed not good problem of effect of current seal structure. Output shaft end seal structure in, include: install at output on the axletree, and the manger plate labyrinth ring that sets up side by side along the axial direction of output axletree and move the labyrinth seals ring, install the quiet labyrinth seals end cover on the gear box box, install the bearing insert on the gear box box to and be connected with the bearing insert, just be located the bearing insert and export the conical bearing between the axletree, can form manger plate chamber and drainage chamber between manger plate labyrinth ring and the quiet labyrinth seals end cover, move and to form the fender oil pocket between labyrinth seals ring and bearing insert and the conical bearing, move and to form decompression oil return chamber between labyrinth seals ring and quiet labyrinth seals end cover and the bearing insert. The utility model discloses mainly be applied to in rail vehicle's the high -speed gear box.
Description
Technical field
This utility model relates to rail vehicle power train technical field, especially relates to a kind of defeated
Go out sealing structure of shaft end, high-speed gear box and apply its rail vehicle.
Background technology
Mechanical seal is the gland seal device of a kind of rotating machinery.Due to rotating shaft (such as: power shaft,
Power transmission shaft or output shaft) it is applied in inside and outside equipment, therefore there is a circle between axle and equipment
All gaps, thus the medium being easily caused in equipment is leaked out by this gap, and if setting
Standby interior pressure subatmospheric, then air is also easily to equipment internal leakage, and then it is necessary to have
One gland seal device stoping leakage.
At present, the sealing means of the gland seal device of high-speed gear box output shaft end mainly can be adopted
Use non-contacting seal；Specifically, non-contacting seal can be labyrinth seal；Labyrinth is close
Envelope is to set several belt sealing teeth being arranged in order around rotating shaft, is formed between tooth and tooth
A series of gap and expansion cavitys of damming, sealed medium is when passing through the gap in tortuous labyrinth
Produce throttle effect and reach the purpose of Drain Resistance.
But, when present inventor finds to seal high-speed gear box output shaft end,
Due to by equipment external and internal pressure skewness, structure arrange more complicated, arrangement space is limited,
And the impact of the factor such as difficulty of processing is high, and easily there is leakage of oil or water inlet causes lubricating oil
The phenomenon of emulsifying, to have a strong impact on sealing effectiveness.
Therefore, how to provide a kind of output shaft end being applied to high-speed gear box to seal structure,
To be effectively improved sealing effectiveness, it has also become those skilled in the art need the technology of solution badly and ask
Topic.
Utility model content
The purpose of this utility model is to provide a kind of output shaft end to seal structure, existing to solve
Some problems sealing sealing structure poor effect.
This utility model provides a kind of output shaft end to seal structure, including: dash labyrinth ring,
Quiet labyrinth seal end cap, dynamic labyrinth seal ring, bearing insert and conical bearing；Described dash
Labyrinth ring is arranged on output axletree, and described quiet labyrinth seal end cap is arranged on gear case body
On, described dynamic labyrinth seal ring is arranged on described output axletree and described dynamic labyrinth seal
Ring is set up in parallel along the axial direction of described output axletree with described dash labyrinth ring, described axle
Holding lining to be arranged on described gear case body, described conical bearing is with described bearing insert even
Connect and described conical bearing is between described bearing insert and described output axletree；Described
Can be used between dash labyrinth ring and described quiet labyrinth seal end cap forming dash chamber and draining
Chamber, energy between described dynamic labyrinth seal ring and described bearing insert and described conical bearing
Be enough in formation gear oil pocket, described dynamic labyrinth seal ring and described quiet labyrinth seal end cap, with
And can be used between described bearing insert forming decompression oil back chamber.
Wherein, can also use between described dynamic labyrinth seal ring and described quiet labyrinth seal end cap
In forming radial seal chamber.
During actual application, described dash labyrinth ring includes: along the radial direction side of described output axletree
To and the tubular installation portion that is sequentially connected with from the inside to the outside and retaining section.
Wherein, described quiet labyrinth seal end cap includes: along described output axletree radial direction,
And the installation portion that is sequentially connected with from outside to inside and sealing, described sealing includes: along described
The output axial direction of axletree the first sealing of column distribution and the second sealing；Described
One sealing can be used in forming described dash with the described retaining section of described dash labyrinth ring
Chamber, described first sealing and described second sealing can be provided commonly for and described dash fan
The described tubular installation portion of palace ring forms described drain chamber.
Specifically, described dynamic labyrinth seal ring includes: along described output axletree radial direction,
And the mounting cylinder portion that is sequentially connected with from the inside to the outside and radial seal portion；Described radial seal portion energy
It is enough in described second sealing with described quiet labyrinth seal end cap and forms described radial seal
Chamber.
Further, described bearing insert includes: along described output axletree radial direction,
And the assembly wall being sequentially connected with from outside to inside wall oily with gear；Described gear oil wall and described dynamic labyrinth
The described mounting cylinder portion of sealing ring can be provided commonly for forming described gear oil with described conical bearing
Chamber, the described radial seal portion of described gear oil wall and described dynamic labyrinth seal ring can jointly with
Described second sealing of described quiet labyrinth seal end cap forms described decompression oil back chamber.
During actual application, the inner side of described second sealing of described quiet labyrinth seal end cap sets
It is equipped with labyrinth wedge angle.
Wherein, to be provided with water dumping recessed in the outside of the described tubular installation portion of described dash labyrinth ring
Arrange at groove, and the corresponding described drain chamber of described water dumping groove；Described dynamic labyrinth seal ring
The outside in described radial seal portion, circumferential direction along described output axletree connect to have radially gets rid of
Oil portion, and described radial direction gets rid of the outward-dipping setting of axial direction along described output axletree of the oil portion.
Relative to prior art, output shaft end described in the utility model seal structure have with
Lower advantage:
The output shaft end that this utility model provides seals in structure, including: dash labyrinth ring,
Quiet labyrinth seal end cap, dynamic labyrinth seal ring, bearing insert and conical bearing；Wherein, gear
Water maze ring is arranged on output axletree, and quiet labyrinth seal end cap is arranged on gear case body,
Dynamic labyrinth seal ring is arranged on output axletree and dynamic labyrinth seal ring and dash labyrinth ring edge
The axial direction of output axletree is set up in parallel, and bearing insert is arranged on gear case body, circle
Cone bearing is connected with bearing insert and conical bearing is between bearing insert and output axletree；
Specifically, can be used between dash labyrinth ring and quiet labyrinth seal end cap formed dash chamber and
Drain chamber, moves and can be used in shape between labyrinth seal ring and bearing insert and conical bearing
Become gear oil pocket, dynamic energy between labyrinth seal ring and quiet labyrinth seal end cap and bearing insert
It is enough in formation decompression oil back chamber.Thus analyze and understand, the output shaft that this utility model provides
End seals in structure, dash labyrinth ring and quiet labyrinth seal end cap the dash chamber formed can
Stop that a large amount of outside body of water enters gear case body, by dash labyrinth ring and quiet labyrinth seal end
The drain chamber that cap-shaped becomes can be got rid of a small amount of outside body of water and prevent it from entering gear-box further
In casing, dynamic labyrinth seal ring, bearing insert and conical bearing the gear oil pocket formed can
Stop the oil leakage being largely used to lubricate bearing, close by dynamic labyrinth seal ring, quiet labyrinth
The decompression oil back chamber that end-blocking lid and bearing insert are formed can be collected a small amount of lubricating oil and make it again
Secondary it is back in gear case body, thus the output shaft end that this utility model provides seals structure,
Each seal cavity arrangement and rationally and there is oil return and drainage channel, and then can effective ground resistance
The only oil leakage within gear case body, and water body outside gear case body, ash
Dirt or other liquid enter, and the output shaft end that therefore this utility model provides seals structure can
It is effectively improved sealing effectiveness.
This utility model also provides for a kind of high-speed gear box, is provided with in described high-speed gear box
Output shaft end as described in above-mentioned any one seals structure；Described high-speed gear box also includes:
Adjust pad and gear；Described adjustment pad is arranged on described quiet labyrinth seal end cap and described
Between bearing insert；Described gear set is on described output axletree, and described output shaft end
Sealing structure and include two, two described output shaft ends seal structure and lay respectively at described tooth
The lateral symmetry distribution of wheel.
Relative to prior art, high-speed gear box described in the utility model has the advantage that
In the high-speed gear box that this utility model provides, preferably seal owing to being provided with to have
The output shaft end of effect seals structure, and the high-speed gear box that therefore this utility model provides also has
There is preferably sealing effectiveness.
This utility model reoffers a kind of rail vehicle, is provided with as above in described rail vehicle
State described high-speed gear box.
Relative to prior art, rail vehicle described in the utility model has the advantage that
In the rail vehicle that this utility model provides, preferably seal effect owing to being provided with to have
The high-speed gear box of fruit, the rail vehicle that therefore this utility model provides also has the closeest
Envelope effect.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or skill of the prior art
Art scheme, below by detailed description of the invention or description of the prior art required use attached
Figure is briefly described, it should be apparent that, the accompanying drawing in describing below is of the present utility model
Some embodiments, for those of ordinary skill in the art, are not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The output shaft end that Fig. 1 provides for this utility model embodiment seals structure and high gear
The sectional structure schematic diagram of case；
The output shaft end that Fig. 2 provides for this utility model embodiment seal structure is kept off oil pocket,
Decompression oil back chamber, drain chamber, dash chamber and the sectional structure enlarged diagram in radial seal chamber；
The output shaft end that Fig. 3 provides for this utility model embodiment seals labyrinth wedge angle in structure
Sectional structure enlarged diagram；
The output shaft end that Fig. 4 provides for this utility model embodiment seals water dumping groove in structure
With the sectional structure enlarged diagram radially getting rid of oil portion.
Reference:
1-dash labyrinth ring；2-quiet labyrinth seal end cap；
3-moves labyrinth seal ring；4-bearing insert；
5-conical bearing；6-exports axletree；
7-gear case body；81-dash chamber；
82-drain chamber；83-keeps off oil pocket；
84-reduces pressure oil back chamber；85-radial seal chamber；
11-tubular installation portion；12-retaining section；
21-installation portion；22-sealing；
221-the first sealing；222-the second sealing；
31-mounting cylinder portion；32-radial seal portion；
41-assembly wall；42-gear oil wall；
223-labyrinth wedge angle；111-water dumping groove；
33-radially gets rid of oil portion；91-adjusts pad；
92-gear.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely retouched
State, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art exist
Do not make the every other embodiment obtained under creative work premise, broadly fall into this reality
By novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ",
D score, "left", "right", " vertically ", " level ", " interior ", " outward "
It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, is only
For the ease of describing this utility model and simplifying description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, the most not
It is understood that as to restriction of the present utility model.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clear and definite regulation
And restriction, term " is installed ", " being connected ", " connection " should be interpreted broadly, such as,
It can be fixing connection, it is also possible to be to removably connect, or be integrally connected；It can be machine
Tool connects, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.Ordinary skill people for this area
For Yuan, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
The output shaft end that Fig. 1 provides for this utility model embodiment seals structure and high gear
The sectional structure schematic diagram of case；The output shaft end that Fig. 2 provides for this utility model embodiment is close
Seal structure keeps off cuing open of oil pocket, decompression oil back chamber, drain chamber, dash chamber and radial seal chamber
TV structure enlarged diagram.
As depicted in figs. 1 and 2, a kind of output shaft end that this utility model embodiment provides is close
Seal structure, including: dash labyrinth ring 1, quiet labyrinth seal end cap 2, dynamic labyrinth seal ring 3,
Bearing insert 4 and conical bearing 5；Wherein, dash labyrinth ring 1 is arranged on output axletree 6
On, quiet labyrinth seal end cap 2 is arranged on gear case body 7, and dynamic labyrinth seal ring 3 is pacified
Be contained on output axletree 6 and dynamic labyrinth seal ring 3 with dash labyrinth ring 1 along output axletree
The axial direction of 6 is set up in parallel, and bearing insert 4 is arranged on gear case body 7, circular cone
Bearing 5 is connected with bearing insert 4 and conical bearing 5 is positioned at bearing insert 4 and output car
Between axle 6；Specifically, can use between dash labyrinth ring 1 and quiet labyrinth seal end cap 2
In forming dash chamber 81 and drain chamber 82, dynamic labyrinth seal ring 3 and bearing insert 4 and
Can be used in being formed gear oil pocket 83, dynamic labyrinth seal ring 3 and quiet labyrinth between conical bearing 5
Can be used between end cover 2 and bearing insert 4 forming decompression oil back chamber 84.
Relative to prior art, the output shaft end described in this utility model embodiment seals structure
Have the advantage that
The output shaft end that this utility model embodiment provides seals in structure, such as Fig. 1 and Fig. 2
Shown in, including: dash labyrinth ring 1, quiet labyrinth seal end cap 2, dynamic labyrinth seal ring 3,
Bearing insert 4 and conical bearing 5；Wherein, dash labyrinth ring 1 is arranged on output axletree 6
On, quiet labyrinth seal end cap 2 is arranged on gear case body 7, and dynamic labyrinth seal ring 3 is pacified
Be contained on output axletree 6 and dynamic labyrinth seal ring 3 with dash labyrinth ring 1 along output axletree
The axial direction of 6 is set up in parallel, and bearing insert 4 is arranged on gear case body 7, circular cone
Bearing 5 is connected with bearing insert 4 and conical bearing 5 is positioned at bearing insert 4 and output car
Between axle 6；Specifically, can use between dash labyrinth ring 1 and quiet labyrinth seal end cap 2
In forming dash chamber 81 and drain chamber 82, dynamic labyrinth seal ring 3 and bearing insert 4 and
Can be used in being formed gear oil pocket 83, dynamic labyrinth seal ring 3 and quiet labyrinth between conical bearing 5
Can be used between end cover 2 and bearing insert 4 forming decompression oil back chamber 84.By
This analyzes and understands, and the output shaft end that this utility model embodiment provides seals in structure, by keeping off
The dash chamber 81 that water maze ring 1 is formed with quiet labyrinth seal end cap 2 can stop a large amount of outside
Water body enters gear case body 7, dash labyrinth ring 1 formed with quiet labyrinth seal end cap 2
Drain chamber 82 can get rid of a small amount of outside body of water and prevent further its enter gear-box case
In body 7, dynamic labyrinth seal ring 3, bearing insert 4 and conical bearing 5 the gear oil formed
Chamber 83 can stop be largely used to lubricate bearing oil leakage, by dynamic labyrinth seal ring 3,
The decompression oil back chamber 84 that quiet labyrinth seal end cap 2 and bearing insert 4 are formed can be collected on a small quantity
Lubricating oil also makes it again be back in gear case body 7, thus this utility model embodiment
The output shaft end provided seals structure, and each cavity that seals is arranged rationally and has oil return and row
Water passage, and then can effectively stop the oil leakage within gear case body 7, with
And water body, dust or other liquid outside gear case body 7 enters, therefore this practicality is new
The output shaft end that type embodiment provides seals structure can be effectively improved sealing effectiveness.
Wherein, in order to ensure that output shaft end sealing structure, in limited space, not only has
Axial seal ability, also has radial seal ability, as depicted in figs. 1 and 2, above-mentioned dynamic
Can also be used between labyrinth seal ring 3 and quiet labyrinth seal end cap 2 form radial seal chamber
85, the output shaft end that i.e. this utility model embodiment provides seals structure, can not only be formed
Dash chamber 81, drain chamber 82 and gear oil pocket 83 and decompression oil back chamber 84, to have axle
To sealability, additionally it is possible to form radial seal chamber 85, to have radial seal ability, from
And pass through axial seal and radial seal to be effectively improved sealing effectiveness further.
During actual application, in order to both be easy to the assembling of dash labyrinth ring 1, ensure that again gear
Water maze ring 1 can form dash chamber 81 and drain chamber 82 with quiet labyrinth seal end cap 2,
As in figure 2 it is shown, above-mentioned dash labyrinth ring 1 may include that the radial direction side along output axletree 6
To and the tubular installation portion 11 that is sequentially connected with from the inside to the outside and retaining section 12, thus pass through
Tubular installation portion 11 by dash labyrinth ring 1 hot charging on output axletree 6, and can pass through cylinder
Shape installation portion 11 can form drain chamber 82 with quiet labyrinth seal end cap 2, passes through retaining section
12 can form dash chamber 81 with quiet labyrinth seal end cap 2.
Wherein, in order to both be easy to the assembling of quiet labyrinth seal end cap 2, ensure that again quiet fan
Palace end cover 2 can form dash chamber 81 and drain chamber 82 with dash labyrinth ring 1, as
Shown in Fig. 2, above-mentioned quiet labyrinth seal end cap 2 may include that the radial direction along output axletree 6
Direction and the installation portion 21 being sequentially connected with from outside to inside and sealing 22；Specifically, should
Sealing 22 may include that the first sealing of the axial direction along output axletree 6 column distribution
Portion 221 and the second sealing 222；Meanwhile, above-mentioned installation portion the 21, first sealing 221
It is preferably one-body molded setting with the second sealing 222.Therefore, it can quiet by bolt
The installation portion 21 of labyrinth seal end cap 2 is connected with gear case body 7, to realize quiet labyrinth
End cover 2 is arranged on gear case body 7；Further, the first sealing 221 can be used
Dash chamber 81 is formed in the retaining section 12 with dash labyrinth ring 1, thus by dash chamber 81
Play the effect stopping that a large amount of outside body of water enter gear case body 7；First sealing 221
The tubular installation portion 11 with dash labyrinth ring 1 can be provided commonly for the second sealing 222
Form drain chamber 82, thus play a small amount of outside body of water of eliminating by drain chamber 82 and enter one
Step prevents it from entering the effect in gear case body 7.
Specifically, in order to both be easy to the assembling of dynamic labyrinth seal ring 3, ensure that again dynamic fan
Palace sealing ring 3 can form radial seal chamber 85 with quiet labyrinth seal end cap 2, such as Fig. 2 institute
Show, above-mentioned dynamic labyrinth seal ring 3 may include that along output axletree 6 radial direction and
The mounting cylinder portion 31 being sequentially connected with from the inside to the outside and radial seal portion 32；Preferably, above-mentioned
The one-body molded setting in mounting cylinder portion 31 and radial seal portion 32.Wherein it is possible to make mounting cylinder
Portion 31 hot charging is on output axletree 6, so that dynamic labyrinth seal ring 3 can be connected to export car
On axle 6；Further, radial seal portion 32 can be used in and the second of quiet labyrinth seal end cap 2
Sealing 222 forms radial seal chamber 85, to improve output shaft end sealing structure further
Sealing effectiveness.
Further, in order to both be easy to the assembling of bearing insert 4, ensure that again jewel
Set 4 can form gear oil pocket 83 and with dynamic with conical bearing 5 and dynamic labyrinth seal ring 3
Labyrinth seal ring 3 and quiet labyrinth seal end cap 2 form decompression oil back chamber 84, as in figure 2 it is shown,
Above-mentioned bearing insert 4 may include that the radial direction and from outside to inside along output axletree 6
The assembly wall 41 being sequentially connected with and gear oil wall 42；Preferably, above-mentioned assembly wall 41 and gear oil
The one-body molded setting of wall 42.Wherein it is possible to make assembly wall 41 be connected with gear case body 7,
So that bearing insert 4 can be arranged on gear case body 7；Equally, it is possible to so that circular cone
Bearing 5 is connected with assembly wall 41, so that conical bearing 5 can be connected with bearing insert 4；
Further, gear oil wall 42 and the mounting cylinder portion 31 of dynamic labyrinth seal ring 3 can be provided commonly for
Conical bearing 5 forms gear oil pocket 83, thus plays stop by gear oil pocket 83 and be largely used to
The effect of the oil leakage of lubrication bearing；Meanwhile, gear oil wall 42 and dynamic labyrinth seal ring 3
Radial seal portion 32 can jointly with the second sealing 222 of quiet labyrinth seal end cap 2
Form decompression oil back chamber 84, thus play a small amount of lubricating oil of collection by decompression oil back chamber 84
And make its effect being again back in gear case body 7.
The output shaft end that Fig. 3 provides for this utility model embodiment seals labyrinth wedge angle in structure
Sectional structure enlarged diagram.
During actual application, seal the two way seal effect of structure to improve output shaft end further
Really, as it is shown on figure 3, the inner side of the second sealing 222 of above-mentioned quiet labyrinth seal end cap 2
Labyrinth wedge angle 223, i.e. labyrinth wedge angle 223 can be provided with and close on the cylinder of dash labyrinth ring 1
Arrange at shape installation portion 11, thus lubricated to play bidirectional obstruction by this labyrinth wedge angle 223
Oil and the effect of water.
The output shaft end that Fig. 4 provides for this utility model embodiment seals water dumping groove in structure
With the sectional structure enlarged diagram radially getting rid of oil portion.
Wherein, in order to improve the water removal effect of drain chamber 82, as shown in Figure 4, above-mentioned dash
The outside of the tubular installation portion 11 of labyrinth ring 1 can be provided with water dumping groove 111, and this gets rid of
Arrange at the corresponding drain chamber 82 of water groove 111, thus by the setting of water dumping groove 111 with
Improve water dumping effect, i.e. improve the water removal effect of drain chamber 82, and then effectively stop that water body enters
Enter in gear case body 7.Specifically, in order to improve the collection backflow of decompression oil back chamber 84
Effect, as shown in Figure 4, the outside in the radial seal portion 32 of above-mentioned dynamic labyrinth seal ring 3,
Circumferential direction along output axletree 6 can connect to have radially gets rid of oil portion 33, and this radial direction is got rid of
Oil portion 33 is preferably the outward-dipping setting of axial direction along output axletree 6, and with radially
The one-body molded setting of sealing 32 and mounting cylinder portion 31, thus by radially getting rid of oil portion 33
Setting with improve get rid of oil effect, i.e. improve decompression oil back chamber 84 collection reflowing result, enter
And effectively stop that oil leakage is to outside gear case body 7.
It should be added that, the output shaft end that this utility model embodiment provides is close herein
In seal structure, drain chamber 82 and the setting of labyrinth wedge angle 223, it is possible to increase space availability ratio,
Ensure two way seal effect well；Water dumping groove 111 and radial direction get rid of the setting in oil portion 33,
Can dynamically oil-leakage-prevention, water-inlet-proof；Decompression oil back chamber 84 and the setting of drain chamber 82,
Ensure that lubrication and sealing have effect well simultaneously.
Additionally, the output shaft end that this utility model embodiment provides seals structure, not only have
Preferably sealing effectiveness, and compact conformation, it is easily installed maintenance.
This utility model also provides for a kind of high-speed gear box, as it is shown in figure 1, this high gear
Case is provided with the output shaft end as described in above-mentioned any one and seals structure；Further, high speed tooth
Roller box can also include: adjusts pad 91 and gear 92.When specifically assembling, adjust pad
91 may be mounted between quiet labyrinth seal end cap 2 and bearing insert 4；Gear 92 is permissible
It is sleeved on output axletree 6, and above-mentioned output shaft end seals structure and can include two,
These two output shaft ends seal structure and lay respectively at the lateral symmetry distribution of gear 92.
Relative to prior art, high-speed gear box described in the utility model has the advantage that
In the high-speed gear box that this utility model embodiment provides, have preferably owing to being provided with
The output shaft end of ground sealing effectiveness seals structure, the height that therefore this utility model embodiment provides
Speed gear-box also has preferably sealing effectiveness.
This utility model reoffers a kind of rail vehicle, is provided with as above-mentioned in this rail vehicle
Described high-speed gear box.
Relative to prior art, rail vehicle described in the utility model has the advantage that
In the rail vehicle that this utility model embodiment provides, have preferably owing to being provided with
The high-speed gear box of sealing effectiveness, the rail vehicle that therefore this utility model embodiment provides is also
There is preferably sealing effectiveness.
It is last it is noted that various embodiments above is only in order to illustrate technology of the present utility model
Scheme, is not intended to limit；Although this utility model being carried out with reference to foregoing embodiments
Detailed description, it will be understood by those within the art that: it still can be to aforementioned
Technical scheme described in each embodiment is modified, or to the most some or all of skill
Art feature carries out equivalent；And these amendments or replacement, do not make appropriate technical solution
Essence depart from this utility model each embodiment technical scheme scope.
Claims (10)
1. an output shaft end seals structure, it is characterised in that including: dash labyrinth ring,
Quiet labyrinth seal end cap, dynamic labyrinth seal ring, bearing insert and conical bearing；Described dash
Labyrinth ring is arranged on output axletree, and described quiet labyrinth seal end cap is arranged on gear case body
On, described dynamic labyrinth seal ring is arranged on described output axletree and described dynamic labyrinth seal
Ring is set up in parallel along the axial direction of described output axletree with described dash labyrinth ring, described axle
Holding lining to be arranged on described gear case body, described conical bearing is with described bearing insert even
Connect and described conical bearing is between described bearing insert and described output axletree；
Can be used between described dash labyrinth ring and described quiet labyrinth seal end cap forming dash
Chamber and drain chamber, described dynamic labyrinth seal ring and described bearing insert and described cone axis
Can be used between holding forming gear oil pocket, described dynamic labyrinth seal ring and described quiet labyrinth seal
Can be used between end cap and described bearing insert forming decompression oil back chamber.
Output shaft end the most according to claim 1 seals structure, it is characterised in that institute
State can also be used between labyrinth seal ring and described quiet labyrinth seal end cap to be formed radially the closeest
Envelope chamber.
Output shaft end the most according to claim 2 seals structure, it is characterised in that institute
State dash labyrinth ring to include: along the radial direction and the most successively of described output axletree
The tubular installation portion connected and retaining section.
Output shaft end the most according to claim 3 seals structure, it is characterised in that institute
State quiet labyrinth seal end cap to include: along the radial direction and from outside to inside of described output axletree
The installation portion being sequentially connected with and sealing, described sealing includes: along described output axletree
Axial direction the first sealing of column distribution and the second sealing；
Described first sealing can be used in the described retaining section with described dash labyrinth ring and formed
Described dash chamber, described first sealing and described second sealing can be provided commonly for and institute
The described tubular installation portion stating dash labyrinth ring forms described drain chamber.
Output shaft end the most according to claim 4 seals structure, it is characterised in that institute
State labyrinth seal ring to include: along the radial direction of described output axletree and depend on from the inside to the outside
The mounting cylinder portion of secondary connection and radial seal portion；
It is described second close that described radial seal portion can be used in described quiet labyrinth seal end cap
Envelope portion forms described radial seal chamber.
Output shaft end the most according to claim 5 seals structure, it is characterised in that institute
State bearing insert to include: along the radial direction of described output axletree and connect the most successively
The assembly wall connect and gear oil wall；
The described mounting cylinder portion of described gear oil wall and described dynamic labyrinth seal ring can be provided commonly for
Described gear oil pocket, described gear oil wall and described dynamic labyrinth seal ring is formed with described conical bearing
Described radial seal portion can jointly with described quiet labyrinth seal end cap described second seal
Portion forms described decompression oil back chamber.
Output shaft end the most according to claim 4 seals structure, it is characterised in that institute
The inner side of described second sealing stating quiet labyrinth seal end cap is provided with labyrinth wedge angle.
Output shaft end the most according to claim 3 seals structure, it is characterised in that institute
The outside of the described tubular installation portion stating dash labyrinth ring is provided with water dumping groove, and described in get rid of
Arrange at the corresponding described drain chamber of water groove；
The outside in the described radial seal portion of described dynamic labyrinth seal ring, along described output axletree
Circumferential direction connect to have and radially get rid of oil portion, and described radial direction gets rid of oil portion along described output axletree
The outward-dipping setting of axial direction.
9. a high-speed gear box, it is characterised in that described high-speed gear box is arranged just like
Output shaft end described in any one of the claims 1-8 seals structure；
Described high-speed gear box also includes: adjust pad and gear；Described adjustment pad is installed
Between described quiet labyrinth seal end cap and described bearing insert；Described gear set is described
On output axletree, and described output shaft end seals structure and includes two, two described outputs
Sealing structure of shaft end lays respectively at the lateral symmetry distribution of described gear.
10. a rail vehicle, it is characterised in that be provided with as above in described rail vehicle
State the high-speed gear box described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286430.9U CN205639569U (en) | 2016-04-07 | 2016-04-07 | Output shaft end seal structure , high -speed gear box and use its rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286430.9U CN205639569U (en) | 2016-04-07 | 2016-04-07 | Output shaft end seal structure , high -speed gear box and use its rail vehicle |
Publications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165945A (en) * | 2017-07-24 | 2017-09-15 | 江苏新瑞齿轮系统有限公司 | A kind of gear-box and bearing sealing device |
| CN107588183A (en) * | 2017-09-28 | 2018-01-16 | 中车长春轨道客车股份有限公司 | A kind of gear case sealing structure |
| CN109114201A (en) * | 2018-10-22 | 2019-01-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of labyrinth seal structure and gear box structure |
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2016
- 2016-04-07 CN CN201620286430.9U patent/CN205639569U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165945A (en) * | 2017-07-24 | 2017-09-15 | 江苏新瑞齿轮系统有限公司 | A kind of gear-box and bearing sealing device |
| CN107165945B (en) * | 2017-07-24 | 2023-05-26 | 江苏新瑞齿轮系统有限公司 | Gear box and bearing sealing mechanism |
| CN107588183A (en) * | 2017-09-28 | 2018-01-16 | 中车长春轨道客车股份有限公司 | A kind of gear case sealing structure |
| CN109114201A (en) * | 2018-10-22 | 2019-01-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of labyrinth seal structure and gear box structure |
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Address after: 100102. 25, science and technology road, Miyun Economic Development Zone, Beijing Patentee after: KANGWEI TONGCHUANG GROUP CO.,LTD. Address before: 100102 No. 25, science and technology road, Miyun economic and Technological Development Zone, Beijing Patentee before: BEIJING KANGWEI HEAVY INDUSTRY MACHINERY MANUFACTURING Co.,Ltd. |
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