CN104728415B - Gear wheel sealing device - Google Patents
Gear wheel sealing device Download PDFInfo
- Publication number
- CN104728415B CN104728415B CN201510137626.1A CN201510137626A CN104728415B CN 104728415 B CN104728415 B CN 104728415B CN 201510137626 A CN201510137626 A CN 201510137626A CN 104728415 B CN104728415 B CN 104728415B
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- China
- Prior art keywords
- sealing
- sealing ring
- gear wheel
- cover plate
- ring
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0454—Sealings between different partitions of a gearing or to a reservoir
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
Abstract
The sealing device of gear wheel, including the first sealing ring and the second sealing ring, the first sealing ring and the second sealing ring are respectively arranged on gear wheel both sides, and the first sealing ring, gear wheel and the second sealing ring are overlapped mutually placement successively and constitute an entirety.The present invention is not only suitable for autocrane, tower crane, is also applied for ball mill.Using the present invention, the lubrication that gear wheel and little gear can be fully good, good seal performance, high lubricating effect, in the presence of envelope wall, gear oil is difficult to leakage, is beneficial to the service life extending gear wheel and little gear.
Description
Technical field
The present invention relates to a kind of gear wheel sealing device being applied to the plant equipment such as autocrane, tower crane, ball mill.
Background technology
For using the autocrane of external tooth pivoting support, tower crane etc., gear wheel is fixed on using this pivoting support
On autocrane, the pedestal of tower crane, little gear is located at outside gear wheel, and little gear is engaged each other with gear wheel, and gear wheel does not turn
Dynamic, around bull gear drive, little gear is fixed on using on the autocrane of this pivoting support, the base of tower crane little gear,
Base is fixed on inner ring, and inner ring rotates on the inwall of gear wheel, and the rotation of inner ring is driven by little gear, and little gear passes through electricity
Motivation or fluid motor-driven.
For ball mill, little gear is located at outside gear wheel, and little gear is engaged each other with gear wheel, little gear drive gear wheel
Rotation, gear wheel and little gear synchronous axial system.
Because above gear wheel is exposed gear, therefore the sealing lubrication problem of gear wheel fails effectively to be solved always
Certainly, if coating lubricating oil on gear wheel outer wall, then oil leak is serious, easily pollutes environment；And because lubricating oil is easy
It is stained with dust and silt, therefore frequently can lead to the abrasion acceleration of gear wheel and little gear；If not using lubricating oil, then gear wheel
Serious dry friction then can be produced with little gear.
Content of the invention
The technical problem to be solved in the present invention is to overcome the drawbacks described above of prior art presence, provide a kind of sealing property
Good, the gear wheel sealing device of the plant equipment such as the autocrane of high lubricating effect, tower crane, ball mill.
The technical solution adopted for the present invention to solve the technical problems is：
The sealing device of gear wheel, including the first sealing ring and the second sealing ring, the first sealing ring and the second sealing ring divide
Not located at gear wheel both sides, the first sealing ring, gear wheel and the second sealing ring are overlapped mutually placement successively and constitute an entirety.
Further, described first sealing ring and the second sealing ring all have bolt hole, gear wheel also have bolt hole,
First sealing ring, gear wheel and the second sealing ring pass sequentially through bolt and are overlapped mutually and be fixed into an entirety.
Further, the outer wall of described first sealing ring and the outer wall of the second sealing ring are equipped with least two piston rings
Groove, being all fixed with section in piston ring groove is circular piston ring.The opening of each piston ring staggers 180 degree each other, each work
The bottom land of plug ring groove is equipped with one group of pin hole, and two pin hole constitute one group.One end relative with gap-clearance of piston rings is provided with two
Individual pin, two pins are fixed on the inwall of piston ring, and two pins are symmetrically set in the center line both sides of gap-clearance of piston rings, pin
In pin hole.
The pin hole of the bottom land of described piston ring groove is circular hole or square hole etc., preferably circular hole.The pin of described piston ring inwall
Post is cylinder or square column etc., preferably cylinder.
Further, what described the first sealing ring being overlapped mutually placement successively, gear wheel and the second sealing ring were constituted is whole
Week is provided with sealing cover plate in vitro.Sealing cover plate is realized to the first sealing ring, canine tooth by the piston ring being installed in piston ring groove
The sealing of the entirety that wheel and the second sealing ring are constituted.
Further, the external diameter of described first sealing ring is equal with the external diameter of the second sealing ring, the external diameter of the first sealing ring with
The external diameter of the second sealing ring is all higher than the external diameter of gear wheel, and it is empty that the first sealing ring, gear wheel, the second sealing ring collectively form oil storage
Between.The external diameter of the external diameter of the first sealing ring and the second sealing ring is all higher than the external diameter of gear wheel, in principle not affect gear wheel
Engagement with little gear is defined, and is beneficial to increase oil storage space.
Further, described second sealing ring or sealing cover plate are provided with the drain oil communicating with oil storage space, and drain oil sets
There is fixing plug screw, can be used for during maintenance bleeding off the lubricating oil in oil storage space.
For autocrane, tower crane, horizontal cross superposition is placed successively for the first sealing ring, gear wheel and the second sealing ring
Constitute an entirety, sealing cover plate also place by horizontal cross, and drain oil is on the second sealing ring.
For ball mill, composition one is placed in longitudinally perpendicular superposition successively for the first sealing ring, gear wheel and the second sealing ring
Overall, sealing cover plate is also placed longitudinally, and drain oil is in the extreme lower position of sealing cover plate.For ball mill, sealing cover plate
Tank filler sleeve is additionally provided with extreme higher position, at tank filler sleeve, is also provided with fixing plug screw.
Further, the outside of described first sealing ring, the outside of the second sealing ring are equipped with a grade side, and sealing cover plate is placed in
Between shelves outside one sealing ring are in the shelves outside the second sealing ring, the external diameter on shelves side is more than the external diameter of sealing cover plate, shelves
Setting up of side is to provide tracks for sealing cover plate, prevents sealing cover plate sideslip.
Further, described sealing cover plate is made up of first point of cover plate and second point of cover plate, first point of cover plate and second point cover
The section of plate is semicircle, similar engine shaft FE Tiler, and first point of cover plate two ends is provided with flanging, and second point of cover plate two ends also sets
There is flanging, each flanging all has bolt hole, first point of cover plate and second point of cover plate are by being placed in the spiral shell in flanging upper bolt hole
Bolt is connected.
Sealing cover plate is provided with opening towards the little gear side engaged with gear wheel, and the opening of sealing cover plate is located at first point
On cover plate.
The arc length of the opening of little gear side that sealing cover plate direction is engaged with gear wheel is more than the diameter of little gear, opening
Place is welded with connecting tube, and connecting tube is provided with flanging, and flanging is evenly equipped with screw hole.
The connecting tube of sealing cover plate is connected by flanging with the connecting tube of existing little gear seal box, and little gear is loaded on little tooth
In wheel seal box.Little gear seal box is provided with opening towards the side of gear wheel, is beneficial to and realizes little gear and engage with gear wheel.
The inwall of the connecting tube of sealing cover plate is provided with envelope wall, and the outer wall of envelope wall is provided with least two piston rings
Groove, built with piston ring, described piston ring can be arbitrary shape to piston ring groove, for strengthening sealing property and the distich of connecting tube
Adapter is positioned.
For autocrane, tower crane, described gear wheel both sides are evenly equipped with gear wheel oil permeable hole, autocrane, tower crane
The inner ring of pivoting support on be evenly equipped with the inner ring oil permeable hole communicating with gear wheel oil permeable hole.Equipped with gear oil inside inner ring, tooth
The storage that wheel oil is collectively formed by the first sealing ring, gear wheel, the second sealing ring by inner ring oil permeable hole, the entrance of gear wheel oil permeable hole
In oily space, gear wheel and little gear can obtain fully good lubrication.For autocrane, tower crane, little gear drives
Sealing cover plate and little gear seal box entirely around bull gear drive, gear wheel does not rotate.
For ball mill, the little gear major part being engaged with gear wheel is flooded by the gear oil in fuel reserve tank.Little gear
Rotate and carry gear oil to gear wheel.For ball mill, little gear drives gear wheel, the first sealing ring and the second sealing ring
The entirety of unitary rotation, sealing cover plate and fuel reserve tank does not rotate.When gear wheel external diameter is larger, also can be minimum in sealing cover plate
Position increases a support base being fixed on ground, and support base and fuel reserve tank are arranged symmetrically in sealing cover plate both sides.
The present invention is not only suitable for autocrane, tower crane, is also applied for ball mill.Using the present invention, gear wheel and little tooth
Wheel can be fully good lubrication, good seal performance, high lubricating effect, in the presence of envelope wall, gear oil be difficult to leakage, with
Beneficial to the service life extending gear wheel and little gear.
Brief description
Fig. 1 is the perspective view of the present invention first sealing ring；
Fig. 2 is the top view of the first sealing ring shown in Fig. 1；
Fig. 3 is the top view of the second sealing ring；
Fig. 4 is the first sealing ring of the sealing device of gear wheel used by autocrane, tower crane, the second sealing ring, canine tooth
Sectional view after wheel, sealing cover plate assembling；
Fig. 5 is the first sealing ring of the sealing device of gear wheel used by ball mill, the second sealing ring, gear wheel, seal closure
Sectional view after plate assembling；
Fig. 6 is the front view of the piston ring in the piston ring groove on the first sealing ring and the second sealing ring；
Fig. 7 is the top view of sealing cover plate of the present invention
Fig. 8 is the front view of envelope wall；
Fig. 9 is the top view of the piston ring in the piston ring groove on envelope wall
Figure 10 is the sectional view of the piston ring in the piston ring groove on envelope wall shown in Fig. 9.
In figure：1 first sealing ring；2 second sealing rings；3 gear wheels；On 4 first sealing rings
Bolt hole；The bolt hole opened on 5 second sealing rings；Bolt hole on 6 gear wheels；7 first sealing rings and
Piston ring groove on two sealing rings；8 piston rings in the piston ring groove on the first sealing ring and the second sealing ring；
9 pin hole；Pin on 10 piston rings；11 sealing cover plates；12 oil storage space；13 drain oils；
14 grades of sides；First point of cover plate of 15 sealing cover plates；Second point of cover plate of 16 sealing cover plates；17 first points
The flanging at cover plate two ends；The flanging at 18 second points of cover plate two ends；19 first points of cover plate two ends flangings and second point of cover
Bolt hole on the flanging of plate two ends；Opening on 20 sealing cover plates；21 connecting tubes；Folding in 22 connecting tubes
Side；The bolt hole of the flanging of 23 connecting tubes；24 envelope walls；Piston ring groove on 25 envelope walls；26 is close
The piston ring in piston ring groove on envelope wall；27 gear wheel oil permeable holes；The highest position of 28 sealing cover plates plus
Oilhole.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, the sealing device of gear wheel, including the first sealing ring 1 and the second sealing ring 2, the first sealing ring 1 He
Second sealing ring 2 is respectively arranged on gear wheel 3 both sides, and the first sealing ring 1, gear wheel 3 and the second sealing ring 2 are overlapped mutually successively and put
Put one entirety of composition.
With reference to Fig. 2 and Fig. 3, described first sealing ring 1 has bolt hole 4, the second sealing ring 2 has bolt hole 5, greatly
Bolt hole 6 is also had on gear 3, the first sealing ring 1, gear wheel 3 and the second sealing ring 2 pass sequentially through bolt and be overlapped mutually fixation
Become an entirety.
At least two piston ring grooves 7 are equipped with the outer wall of the outer wall of described first sealing ring 1 and the second sealing ring 2, live
All being fixed with section in plug ring groove 7 is circular piston ring 8.The opening of each piston ring 8 staggers 180 degree each other, each piston
The bottom land of annular groove 7 is equipped with one group of pin hole 9（Referring to Fig. 6）, two pin hole 9 constitute one group.Relative with piston ring 8 opening
One end is provided with two pins 10, and two pins 10 are fixed on the inwall of piston ring 8, and two pins 10 are symmetrically set in piston ring 8
The center line both sides of opening, pin 10 is located in pin hole 9.
The pin hole 9 of the bottom land of described piston ring groove 7 is circular hole or square hole etc., selects circular hole in the present embodiment.Described work
The pin 10 of plug ring 8 inwall is cylinder or square column etc., selects cylinder in the present embodiment.
It is overall outer that described the first sealing ring 1 being overlapped mutually placement successively, gear wheel 3 and the second sealing ring 2 are constituted
It is provided with sealing cover plate 11 week.Sealing cover plate 11 is realized to the first sealing ring 1, big by the piston ring 8 being installed in piston ring groove 7
The sealing of the entirety that gear 3 and the second sealing ring 2 are constituted.
The external diameter S1 of described first sealing ring 1 is equal with the external diameter S2 of the second sealing ring 2, the external diameter of the first sealing ring 1 with
The external diameter of the second sealing ring 2 is all higher than the external diameter S3 of gear wheel 3, the first sealing ring 1, gear wheel 3, the common structure of the second sealing ring 2
Become oil storage space 12.The external diameter S2 of the external diameter S1 of the first sealing ring 1 and the second sealing ring 2 is all higher than the external diameter S3 of gear wheel 3, former
Then go up not affect gear wheel 3 and little gear（In figure is not shown）Engagement be defined, be beneficial to increase oil storage space.
Described second sealing ring 2 or sealing cover plate 11 are provided with the drain oil 13 communicating with oil storage space 12, drain oil 13
It is provided with fixing plug screw（In figure is not shown）, can be used for during maintenance bleeding off the lubricating oil in oil storage space 12.
With reference to Fig. 4, for autocrane, tower crane, the first sealing ring 1, gear wheel 3 and the second sealing ring 2 level successively
Lateral stacking is placed and is constituted an entirety, and sealing cover plate 11 also place by horizontal cross, and drain oil 13 is on the second sealing ring 2.
With reference to Fig. 5, for ball mill, longitudinally perpendicular superposition is put successively for the first sealing ring 1, gear wheel 3 and the second sealing ring 2
Put one entirety of composition, sealing cover plate 11 is also placed longitudinally, and drain oil 13 is in the extreme lower position of sealing cover plate 11.For ball
Grinding machine, the extreme higher position of sealing cover plate 11 is additionally provided with tank filler sleeve 28, is also provided with fixing plug screw at tank filler sleeve 28（In figure is not shown
Go out）.
The outside of described first sealing ring 1, the outside of the second sealing ring 2 are equipped with grade side 14, and sealing cover plate 11 is placed in
Between the shelves in one sealing ring 1 outside are in the shelves in the second sealing ring 2 outside, the external diameter on shelves side 14 is more than the outer of sealing cover plate 11
Footpath, setting up of shelves side 14 is to provide tracks for sealing cover plate 11, prevents sealing cover plate 11 sideslip.
With reference to Fig. 7, described sealing cover plate 11 is made up of first point of cover plate 15 and second point of cover plate 16, first point of cover plate 15 He
The section of second point of cover plate 16 is semicircle, similar engine shaft FE Tiler, and first point of cover plate 15 two ends is provided with flanging 17, and second
Divide cover plate 16 two ends to be also provided with flanging 18, each flanging 17,18 all has bolt hole 19, first point of cover plate 15 and second point of cover plate
16 by being placed in the bolt in flanging upper bolt hole 19（In figure is not shown）It is connected.
Sealing cover plate 11 is towards the little gear engaging with gear wheel 3（In figure is not shown）Side is provided with opening 20, seal closure
The opening 20 of plate 11 is on first point of cover plate 15.
Sealing cover plate 11 is towards the little gear engaging with gear wheel 3（In figure is not shown）The arc length of the opening 20 of side is more than
Little gear（In figure is not shown）Diameter, be welded with connecting tube 21 at opening 20, connecting tube 21 is provided with flanging 22, on flanging 22
It is evenly equipped with screw hole 23.
Connecting tube 21 and the existing little gear seal box of sealing cover plate 11（In figure is not shown）Connecting tube（In figure is not shown
Go out）Connected by flanging, little gear（In figure is not shown）It is loaded on little gear seal box（In figure is not shown）Interior.Little gear seal box
（In figure is not shown）It is provided with opening towards the side of gear wheel 3（In figure is not shown）, it is beneficial to and realize little gear（In figure is not shown
Go out）Engage with gear wheel 3.
With reference to Fig. 7, Fig. 8 and Fig. 9, the inwall of the connecting tube 21 of sealing cover plate 11 is provided with envelope wall 24, envelope wall 24
Outer wall is provided with least two piston ring grooves 25, and built with piston ring 26, described piston ring 26 can be arbitrary shape to piston ring groove 25
Shape, for strengthening the sealing property of connecting tube 21 and connecting tube 21 being positioned.In the present embodiment, the top view of piston ring 26
For rectangle, the section of piston ring 26 is circle（Referring to Figure 10）.
For autocrane, tower crane, described gear wheel 3 both sides are evenly equipped with gear wheel oil permeable hole 27, autocrane, tower
The inner ring of the pivoting support hanging（In figure is not shown）On be evenly equipped with the inner ring oil permeable hole communicating with gear wheel oil permeable hole 27（In figure is not
Illustrate）.Inner ring（In figure is not shown）Inner side is equipped with gear oil（In figure is not shown）, gear oil is by inner ring oil permeable hole（In figure is not
Illustrate）, gear wheel oil permeable hole 27 enter the oil storage space 12 being collectively formed by the first sealing ring 1, gear wheel 3, the second sealing ring 2
In, gear wheel 3 and little gear（In figure is not shown）Lubrication that can be fully good.For autocrane, tower crane, little gear
（In figure is not shown）Drive sealing cover plate 11 and little gear seal box（In figure is not shown）Rotate entirely around gear wheel 3, greatly
Gear 3 does not rotate.
For ball mill, the little gear engaging with gear wheel 3（In figure is not shown）Major part is by fuel reserve tank（In figure is not shown
Go out）Interior gear oil（In figure is not shown）Flood.Little gear（In figure is not shown）Rotation by gear oil（In figure is not shown）Band
To gear wheel 3.For ball mill, little gear（In figure is not shown）Drive gear wheel 3, the first sealing ring 1 and the second sealing ring 2
Unitary rotation, sealing cover plate 11 and fuel reserve tank（In figure is not shown）Entirety do not rotate.When gear wheel external diameter is larger, also may be used
Increase a support base being fixed on ground in the extreme lower position of sealing cover plate 11（In figure is not shown）, support base（In figure is not shown
Go out）With fuel reserve tank（In figure is not shown）It is arranged symmetrically in sealing cover plate 11 both sides.
Claims (6)
1. the sealing device of gear wheel is it is characterised in that include the first sealing ring and the second sealing ring, the first sealing ring and the
Two sealing rings are respectively arranged on gear wheel both sides, and the first sealing ring, gear wheel and the second sealing ring are overlapped mutually placement successively and constitute
One entirety；
It is equipped with least two piston ring grooves, in piston ring groove on the outer wall of the outer wall of described first sealing ring and the second sealing ring
All being fixed with section is circular piston ring；The opening of each piston ring staggers 180 degree each other, and the bottom land of each piston ring groove is equal
It is provided with one group of pin hole, two pin hole constitute one group；One end relative with gap-clearance of piston rings is provided with two pins, two pins
It is fixed on the inwall of piston ring, two pins are symmetrically set in the center line both sides of gap-clearance of piston rings, pin is located in pin hole；
The overall periphery that described the first sealing ring being overlapped mutually placement successively, gear wheel and the second sealing ring are constituted is provided with close
Sealing cover plate, sealing cover plate is realized to the first sealing ring, gear wheel and the second sealing by the piston ring being installed in piston ring groove
The sealing of the entirety that ring is constituted；
The outside of described first sealing ring, the outside of the second sealing ring are equipped with a grade side, and sealing cover plate is placed in outside the first sealing ring
Between the shelves of side are in the shelves outside the second sealing ring, the external diameter on shelves side is more than the external diameter of sealing cover plate.
2. the sealing device of gear wheel according to claim 1 is it is characterised in that described first sealing ring and second close
All have bolt hole in seal ring, gear wheel also has bolt hole, the first sealing ring, gear wheel and the second sealing ring pass sequentially through
Bolt is overlapped mutually and is fixed into an entirety.
3. the sealing device of gear wheel according to claim 1 is it is characterised in that the pin of the bottom land of described piston ring groove
Post holes is circular hole or square hole；The pin of described piston ring inwall is cylinder or square column.
4. the sealing device of gear wheel according to claim 1 and 2 is it is characterised in that the external diameter of described first sealing ring
Equal with the external diameter of the second sealing ring, the external diameter of the external diameter of the first sealing ring and the second sealing ring is all higher than the external diameter of gear wheel,
First sealing ring, gear wheel, the second sealing ring collectively form oil storage space.
5. the sealing device of gear wheel according to claim 1 is it is characterised in that described sealing cover plate is covered by first point
Plate and second point of cover plate composition, the section of first point of cover plate and second point of cover plate is semicircle, and first point of cover plate two ends is provided with
Flanging, second point of cover plate two ends is also provided with flanging, and each flanging all has bolt hole, and first point of cover plate and second point of cover plate pass through
The bolt being placed in flanging upper bolt hole is connected.
6. the sealing device of gear wheel according to claim 5 is it is characterised in that sealing cover plate direction is nibbled with gear wheel
The little gear side closed is provided with opening, and the opening of sealing cover plate is on first point of cover plate；
The arc length of the opening of little gear side that sealing cover plate direction is engaged with gear wheel is more than the diameter of little gear, welds at opening
It is connected to connecting tube, connecting tube is provided with flanging, flanging is evenly equipped with screw hole；
The inwall of connecting tube is provided with envelope wall, and the outer wall of envelope wall is provided with least two piston ring grooves, and envelope wall is at least
Two piston ring grooves are built with piston ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137626.1A CN104728415B (en) | 2015-03-27 | 2015-03-27 | Gear wheel sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137626.1A CN104728415B (en) | 2015-03-27 | 2015-03-27 | Gear wheel sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728415A CN104728415A (en) | 2015-06-24 |
| CN104728415B true CN104728415B (en) | 2017-03-01 |
Family
ID=53452621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137626.1A Active CN104728415B (en) | 2015-03-27 | 2015-03-27 | Gear wheel sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728415B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006228B (en) * | 2017-12-14 | 2020-03-31 | 吴银辉 | Sealing cover plate with bearing bush and assembly method of sealing cover plate and large gear |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398084A (en) * | 2008-10-24 | 2009-04-01 | 南京西普机电工程有限公司 | Gear lubricating and sealing arrangement |
| CN201288828Y (en) * | 2008-10-28 | 2009-08-12 | 济南重工股份有限公司 | Big gear radial sealing device for milling |
| CN201772045U (en) * | 2010-04-29 | 2011-03-23 | 南京联勘科技有限公司 | Rotating element housing |
| CN202203381U (en) * | 2011-08-31 | 2012-04-25 | 徐州马龙节能环保设备有限公司 | Gear lubricating and sealing device of tube mill |
| CN103727215A (en) * | 2013-12-12 | 2014-04-16 | 四川矿山机器（集团）有限责任公司 | Slurry-proof sealing structure for wet process mill |
| CN203641463U (en) * | 2013-12-13 | 2014-06-11 | 四川矿山机器（集团）有限责任公司 | Novel sealing structure of gear cover |
-
2015
- 2015-03-27 CN CN201510137626.1A patent/CN104728415B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398084A (en) * | 2008-10-24 | 2009-04-01 | 南京西普机电工程有限公司 | Gear lubricating and sealing arrangement |
| CN201288828Y (en) * | 2008-10-28 | 2009-08-12 | 济南重工股份有限公司 | Big gear radial sealing device for milling |
| CN201772045U (en) * | 2010-04-29 | 2011-03-23 | 南京联勘科技有限公司 | Rotating element housing |
| CN202203381U (en) * | 2011-08-31 | 2012-04-25 | 徐州马龙节能环保设备有限公司 | Gear lubricating and sealing device of tube mill |
| CN103727215A (en) * | 2013-12-12 | 2014-04-16 | 四川矿山机器（集团）有限责任公司 | Slurry-proof sealing structure for wet process mill |
| CN203641463U (en) * | 2013-12-13 | 2014-06-11 | 四川矿山机器（集团）有限责任公司 | Novel sealing structure of gear cover |
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| Publication number | Publication date |
|---|---|
| CN104728415A (en) | 2015-06-24 |
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