CN110486455A - A kind of speed reducer sealing structure and speed reducer - Google Patents
A kind of speed reducer sealing structure and speed reducer Download PDFInfo
- Publication number
- CN110486455A CN110486455A CN201910864888.6A CN201910864888A CN110486455A CN 110486455 A CN110486455 A CN 110486455A CN 201910864888 A CN201910864888 A CN 201910864888A CN 110486455 A CN110486455 A CN 110486455A
- Authority
- CN
- China
- Prior art keywords
- transparent cover
- speed reducer
- ring transparent
- rotating ring
- coal dust
- 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
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 60
- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 239000002817 coal dust Substances 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
- 239000008187 granular material Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229930195488 Arborside Natural products 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
Abstract
The invention belongs to colliery engineering fields, disclose a kind of speed reducer sealing structure and speed reducer, the stationary ring transparent cover of the speed reducer sealing structure is installed on bearing part, rotating ring transparent cover is installed on rotary part, stationary ring transparent cover and rotating ring transparent cover are oppositely arranged, mechanical end face seal assemblies are mounted between stationary ring transparent cover and rotating ring transparent cover, and anti-coal dust seal assembly is installed in rotating ring transparent cover, and the circle end face of anti-coal dust seal assembly is abutted with stationary ring transparent cover.Compared to the prior art, the present invention has increased anti-coal dust seal assembly newly, coal dust can be effectively prevent to enter in the working space of mechanical end face seal assemblies, the working environment of mechanical end face seal assemblies can be effectively improved, improve the service life of mechanical end face seal assemblies, to improve the reliability of entire sealing system and speed reducer, the coal industry severe suitable for operating condition.The sealing reliability of speed reducer provided by the invention is promoted, and service life extends.
Description
Technical field
The present invention relates to colliery engineering field more particularly to a kind of speed reducer sealing structure and speed reducers.
Background technique
Coal industry is severe with speed reducer operating condition, requires speed reducer very high.Wherein, scraper speed reducer is generally under mine
Operation, and coal dust is serious in running environment, common sealing means service life is short, and it is existing that oil leak is frequently found under mine
As, and be difficult to repair in the short time.
Currently, in industry there are mainly two types of common sealing means: one is oil sealing sealing is used, this structure is more simple
It is single, it is easy for installation, but sealing effect is very unsatisfactory, and general service life serious leak phenomenon will occur at 3 months or so；
Another kind is using mechanical end face seal component, this sealing structure reliability is promoted, and service life is slightly longer than the first side
Formula, but still have leakage phenomenon.This structure is dismantled it is found that being filled with the greasy filth of coal formation, greasy filth inside speed reducer seal chamber
Excessively encapsulation scheme is failed.
Therefore, need to propose the speed reducer sealing structure and speed reducer of a kind of high reliability suitable for coal industry.
Summary of the invention
It is an object of the present invention to provide a kind of speed reducer sealing structure, which can extend
The service life of entire sealing system and speed reducer.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of speed reducer sealing structure, including bearing part, rotary part, stationary ring transparent cover, rotating ring transparent cover and Mechanical end face
Seal assembly, the stationary ring transparent cover are installed on the bearing part, and the rotating ring transparent cover is installed on the rotary part, institute
It states stationary ring transparent cover and the rotating ring transparent cover is oppositely arranged, the mechanical end face seal assemblies are mounted on the stationary ring transparent cover and described
It further include anti-coal dust seal assembly between rotating ring transparent cover, it is saturating that the anti-coal dust seal assembly is installed on the rotating ring
It covers, the circle end face of the anti-coal dust seal assembly is abutted with the stationary ring transparent cover, the anti-coal dust sealing group
Part is for preventing coal dust from entering the mechanical end face seal assemblies.
As the optimal technical scheme of above-mentioned speed reducer sealing structure, the anti-coal dust seal assembly includes along vertical
In the spaced primary seal structure in the arbor direction of the speed reducer and secondary seal structure, the secondary seal structure is set
It is disposed adjacent to the arbor side, the primary seal structure is for stopping passing through for primary granule object, the secondary seal knot
For structure for stopping passing through for secondary granule object, the partial size of the primary granule object is greater than the partial size of the secondary granule object.
As the optimal technical scheme of above-mentioned speed reducer sealing structure, the primary seal structure is carbon fibre filler,
The secondary seal structure is FEY seal stopper ring.
As the optimal technical scheme of above-mentioned speed reducer sealing structure, the rotating ring transparent cover close to the stationary ring transparent cover one
It being spaced apart on side and is equipped with the first groove and the second groove, the primary seal structure setting is in first groove, and described two
Grade sealing structure is set in second groove.
It further include the adjustment being mounted on the rotary part as the optimal technical scheme of above-mentioned speed reducer sealing structure
Gasket, the adjustment gasket are configured to adjust the axial gap of the stationary ring transparent cover and the rotating ring transparent cover.
As the optimal technical scheme of above-mentioned speed reducer sealing structure, the stationary ring transparent cover is bolted by first in institute
State bearing part.
As the optimal technical scheme of above-mentioned speed reducer sealing structure, the rotating ring transparent cover is bolted by second in institute
State rotary part.
It is another object of the present invention to provide a kind of speed reducer, the sealing reliability of the speed reducer is improved, and uses the longevity
Life extends.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of speed reducer, including speed reducer sealing structure as described above.
Compared with prior art, advantages of the present invention and beneficial effect are:
Speed reducer sealing structure provided by the invention, including bearing part, rotary part, stationary ring transparent cover, rotating ring transparent cover, machine
Tool face seal components and anti-coal dust seal assembly, stationary ring transparent cover are installed on bearing part, and rotating ring transparent cover is installed on rotation
On rotation member, stationary ring transparent cover and rotating ring transparent cover are oppositely arranged, and mechanical end face seal assemblies are mounted on stationary ring transparent cover and rotating ring transparent cover
Between, anti-coal dust seal assembly is installed in rotating ring transparent cover, and the circle end face and stationary ring of anti-coal dust seal assembly are saturating
Lid abuts.Compared to the prior art, the present invention has increased anti-coal dust seal assembly newly, coal dust can be effectively prevent to enter
In the working space of mechanical end face seal assemblies, it can be effectively improved the working environment of mechanical end face seal assemblies, improve mechanical end
The service life of face seal assembly, so that the reliability of entire sealing system and speed reducer is improved, the coal severe suitable for operating condition
Charcoal industry.
Speed reducer provided by the invention, including above-mentioned speed reducer sealing structure, the sealing reliability of the speed reducer is promoted,
Service life extends.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the speed reducer sealing structure that the specific embodiment of the invention provides.
In figure:
1, bearing part；2, rotary part；3, stationary ring transparent cover；4, rotating ring transparent cover；5, mechanical end face seal assemblies；6, level-one
Sealing structure；7, secondary seal structure；8, gasket is adjusted；9, the first bolt；10, the second bolt；
100, oil liquid；200, coal dust.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
In the description of the present embodiment, term " on ", "lower", " right side ", etc. orientation or positional relationships be based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description and simplification operation, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition,
Term " first ", " second " are only used to distinguish between description, and have no special meaning.
Present embodiment discloses a kind of speed reducer sealing structure, as shown in Figure 1, the speed reducer sealing structure includes bearing
Component 1, rotary part 2, stationary ring transparent cover 3, rotating ring transparent cover 4 and mechanical end face seal assemblies 5.Wherein bearing part 1 and rotating part
Part 2 is all connected on the arbor of speed reducer, and stationary ring transparent cover 3 is installed on bearing part 1, and rotating ring transparent cover 4 is installed on rotary part 2
On, stationary ring transparent cover 3 and rotating ring transparent cover 4 are oppositely arranged and have adjustable clearance, and mechanical end face seal assemblies 5 are mounted on stationary ring transparent cover
Between 3 and rotating ring transparent cover 4, and seal chamber is formed between mechanical end face seal assemblies 5 and stationary ring transparent cover 3 and rotating ring transparent cover 4, sealed
Oil liquid 100 is full of in chamber.Further, stationary ring transparent cover 3 is connected to bearing part 1 by the first bolt 9.Rotating ring transparent cover 4 is logical
It crosses the second bolt 10 and is connected to rotary part 2.Above structure is existing structure in the prior art, and each component is in speed reducer
Specific connection type and positional relationship details are not described herein again.
Speed reducer sealing structure in present embodiment further includes anti-coal dust seal assembly, as shown in Figure 1, the anti-coal
Charcoal dust seal assembly is installed in rotating ring transparent cover 4, and the circle end face of anti-coal dust seal assembly is abutted with stationary ring transparent cover 3,
Anti- coal dust seal assembly is for preventing coal dust 200 from entering mechanical end face seal assemblies 5.
Specifically, anti-coal dust seal assembly includes along the spaced level-one in arbor direction perpendicular to speed reducer
Sealing structure 6 and secondary seal structure 7, secondary seal structure 7 are disposed in proximity to arbor side, and primary seal structure 6 is for hindering
Gear primary granule object passes through, and for stopping passing through for secondary granule object, the partial size of primary granule object is greater than secondary seal structure 7
The partial size of secondary granule object.It should be noted that primary granule object and secondary granule object refer both to the dust in coal dust 200
Grain.
Preferably, the primary seal structure 6 in present embodiment can be carbon fibre filler, secondary seal structure 7
It can be FEY seal stopper ring.The circle end face of the circle end face of carbon fibre filler and FEY seal stopper ring with stationary ring transparent cover 3
It abuts against.Carbon fibre filler can prevent bulk coal ash from entering the working space of mechanical end face seal assemblies 5, and FEY, which is sealed, to be kept off
Ring can prevent little particle coal ash from entering the working spaces of mechanical end face seal assemblies 5.It can be effective by setting two seals
Stop the coal dust 200 of different-grain diameter to enter in the working space of mechanical end face seal assemblies 5, improves coal dust 200
Filter effect improve its reliability so as to be effectively improved the working environment of mechanical end face seal assemblies 5, and then extend whole
The service life of a sealing system and speed reducer.
Further, rotating ring transparent cover 4 is spaced apart recessed equipped with the first groove and second on the side of stationary ring transparent cover 3
Slot, carbon fibre filler are set in the first groove, and FEY seal stopper ring is set in the second groove.By the way that groove is arranged, can mention
The installation fastness of high FEY seal stopper ring and FEY seal stopper ring, advantageously ensures that the service life of speed reducer.
In the present embodiment, speed reducer sealing structure further includes the adjustment gasket 8 being mounted on rotary part 2, set
On the second bolt 10, the purpose of setting adjustment gasket 8 is between the axial direction between adjusting stationary ring transparent cover 3 and rotating ring transparent cover 4
Gap.The structure is existing structure in the prior art, and details are not described herein again.
Present embodiment additionally provides a kind of speed reducer, including above-mentioned speed reducer sealing structure.The speed reducer is due to tool
The speed reducer sealing structure for thering is present embodiment to provide, therefore its reliability is obviously improved, service life extends, and is suitable for application in
In the severe coal industry of operating condition.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (8)
1. a kind of speed reducer sealing structure, including bearing part (1), rotary part (2), stationary ring transparent cover (3), rotating ring transparent cover (4)
With mechanical end face seal assemblies (5), the stationary ring transparent cover (3) is installed on the bearing part (1), the rotating ring transparent cover (4)
It is installed on the rotary part (2), the stationary ring transparent cover (3) and the rotating ring transparent cover (4) are oppositely arranged, the Mechanical end face
Seal assembly (5) is mounted between the stationary ring transparent cover (3) and the rotating ring transparent cover (4), which is characterized in that further includes anti-coal
Dust seal assembly, the anti-coal dust seal assembly are installed on the rotating ring transparent cover (4), the anti-coal dust sealing
The circle end face of component is abutted with the stationary ring transparent cover (3), and the anti-coal dust seal assembly is for preventing coal dust
(200) enter the mechanical end face seal assemblies (5).
2. speed reducer sealing structure according to claim 1, which is characterized in that the anti-coal dust seal assembly includes
Along perpendicular to the spaced primary seal structure (6) in arbor direction of the speed reducer and secondary seal structure (7), described two
Grade sealing structure (7) is disposed in proximity to the arbor side, and the primary seal structure (6) is used to stop the logical of primary granule object
It crosses, for the secondary seal structure (7) for stopping passing through for secondary granule object, the partial size of the primary granule object is greater than described two
The partial size of grade particles object.
3. speed reducer sealing structure according to claim 2, which is characterized in that the primary seal structure (6) is carbon
Fiberfill, the secondary seal structure (7) are FEY seal stopper ring.
4. speed reducer sealing structure according to claim 2, which is characterized in that the rotating ring transparent cover (4) is close to described quiet
It is spaced apart on the side of ring transparent cover (3) and is equipped with the first groove and the second groove, the primary seal structure (6) is set to described the
In one groove, the secondary seal structure (7) is set in second groove.
5. speed reducer sealing structure according to claim 1, which is characterized in that further include being mounted on the rotary part
(2) the adjustment gasket (8) on, the adjustment gasket (8) is configured to adjust the stationary ring transparent cover (3) and the rotating ring is saturating
Cover the axial gap of (4).
6. speed reducer sealing structure according to claim 1-5, which is characterized in that the stationary ring transparent cover (3) is logical
It crosses the first bolt (9) and is connected to the bearing part (1).
7. speed reducer sealing structure according to claim 1-5, which is characterized in that the rotating ring transparent cover (4) is logical
It crosses the second bolt (10) and is connected to the rotary part (2).
8. a kind of speed reducer, which is characterized in that including the described in any item speed reducer sealing structures of such as claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864888.6A CN110486455B (en) | 2019-09-12 | 2019-09-12 | Speed reducer sealing structure and speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864888.6A CN110486455B (en) | 2019-09-12 | 2019-09-12 | Speed reducer sealing structure and speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110486455A true CN110486455A (en) | 2019-11-22 |
| CN110486455B CN110486455B (en) | 2024-04-23 |
Family
ID=68557807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910864888.6A Active CN110486455B (en) | 2019-09-12 | 2019-09-12 | Speed reducer sealing structure and speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486455B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909878A (en) * | 1996-02-15 | 1999-06-08 | Feodor Burgmann Dichtungswerke Gmbh & Co. | Mechanical face seal assembly |
| US20030098132A1 (en) * | 2001-11-28 | 2003-05-29 | Mansdorfer Gary A. | Mechanical face seal for materials handling apparatus |
| CN103287209A (en) * | 2012-02-24 | 2013-09-11 | 通用电气公司 | Sealing body, sealing equipment and sealing method |
| CN203477273U (en) * | 2013-07-09 | 2014-03-12 | 朱兴生 | Seal structure for pumping unit reducer shaft head |
| CN105003640A (en) * | 2015-07-30 | 2015-10-28 | 宁波东力齿轮箱有限公司 | Lubricating and sealing structure of speed reducer input shaft |
| WO2016124021A1 (en) * | 2015-02-02 | 2016-08-11 | 江苏鹏飞集团股份有限公司 | Stationary sealing plate, movable sealing plate, and labyrinth sealing apparatus of shaking apparatus for use in dusty environment |
| CN211009835U (en) * | 2019-09-12 | 2020-07-14 | 南京高精齿轮集团有限公司 | Speed reducer sealing structure and speed reducer |
-
2019
- 2019-09-12 CN CN201910864888.6A patent/CN110486455B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909878A (en) * | 1996-02-15 | 1999-06-08 | Feodor Burgmann Dichtungswerke Gmbh & Co. | Mechanical face seal assembly |
| US20030098132A1 (en) * | 2001-11-28 | 2003-05-29 | Mansdorfer Gary A. | Mechanical face seal for materials handling apparatus |
| CN103287209A (en) * | 2012-02-24 | 2013-09-11 | 通用电气公司 | Sealing body, sealing equipment and sealing method |
| CN203477273U (en) * | 2013-07-09 | 2014-03-12 | 朱兴生 | Seal structure for pumping unit reducer shaft head |
| WO2016124021A1 (en) * | 2015-02-02 | 2016-08-11 | 江苏鹏飞集团股份有限公司 | Stationary sealing plate, movable sealing plate, and labyrinth sealing apparatus of shaking apparatus for use in dusty environment |
| CN105003640A (en) * | 2015-07-30 | 2015-10-28 | 宁波东力齿轮箱有限公司 | Lubricating and sealing structure of speed reducer input shaft |
| CN211009835U (en) * | 2019-09-12 | 2020-07-14 | 南京高精齿轮集团有限公司 | Speed reducer sealing structure and speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110486455B (en) | 2024-04-23 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200511 Address after: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210012 Applicant after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210012 Applicant before: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. |
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