CN104776203B - Reducer input shaft sealing structure - Google Patents
Reducer input shaft sealing structure Download PDFInfo
- Publication number
- CN104776203B CN104776203B CN201510097244.0A CN201510097244A CN104776203B CN 104776203 B CN104776203 B CN 104776203B CN 201510097244 A CN201510097244 A CN 201510097244A CN 104776203 B CN104776203 B CN 104776203B
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- China
- Prior art keywords
- input shaft
- annular
- seal ring
- oil sealing
- slip
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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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 15
- 230000009467 reduction Effects 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000007774 longterm Effects 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
Abstract
The invention discloses a kind of reducer input shaft sealing structure, it is desirable to provide one kind can effectively solve reducer input shaft in the prior art and axle envelope oil leak once occurs, then need to change axle envelope, wastes time and energy, input axle sealing structure the problem of workload is big.It includes reduction case, input shaft and input shaft end-blocking lid, and the input shaft blocks lid through input shaft and is arranged on by bearing on reduction case, and oil sealing is provided between the input shaft end-blocking lid and input shaft；Standby input oil enveloping structure is additionally provided between the input shaft end-blocking lid and input shaft, the standby input oil enveloping structure is located on the outside of reduction case.
Description
Technical field
The present invention relates to a kind of decelerator, and in particular to a kind of reducer input shaft sealing structure.
Background technology
Decelerator is a kind of mechanical driving device common at present, and it rises between prime mover and working machine or executing agency
Match the effect of rotating speed and transmission torque.Current reducer structure generally includes casing, input shaft, input gear, input shaft
Lid, output gear, output shaft and output shaft end-blocking lid are blocked, they are driven completion speed-down action successively.Axle envelope end cap with input/
Axle envelope is provided between shaft；And axle envelope oil leak is common bad problem in current decelerator, one occur axle envelope oil leak need and
When replacing oil sealing.The reason for causing axle envelope oil leak is varied, and axle envelope is included the reason for relatively common（Sealing ring）Long-term
During use at abrasion or the grease accumulation reason such as at axle envelope, the axle envelope that can all easily cause decelerator input/shaft
Produce Leakage.Once there is axle envelope Leakage in current decelerator, then needs to change axle envelope；And needed when changing axle envelope
Reductor is disintegrated, shaft coupling is pulled down, reductor shaft end-blocking lid is taken out, then changes axle envelope, and reinstall；This to change
The workload of this process of axle envelope is big, waste time and energy.
The content of the invention
The invention aims to overcome in the prior art decelerator once there is the axle envelope oil leak of input shaft, then need
The axle envelope of input shaft is changed, wastes time and energy, can effectively solve current reducer input shaft there is provided a kind of the problem of workload is big
During axle envelope oil leak, then need to change axle envelope, waste time and energy, reducer input shaft sealing structure the problem of workload is big.
The technical scheme is that：
A kind of reducer input shaft sealing structure, including reduction case, input shaft and input shaft end-blocking lid, the input
Axle blocks lid through input shaft and is arranged on by bearing on reduction case, between the input shaft end-blocking lid and input shaft
Provided with oil sealing；Standby input oil enveloping structure is additionally provided between the input shaft end-blocking lid and input shaft, the standby input oil sealing knot
Structure is on the outside of reduction case, and standby input oil enveloping structure includes the first fixation being arranged on input shaft end-blocking lid outer face
Body, first be slidably arranged in the first fixed cover body slides body and is arranged on the first fixation body and the first slip cap
The first buckle connecting structure between body；The first fixation body is set on input shaft, and is coaxially disposed with input shaft, institute
State the first slip body to be set on input shaft, and be coaxially disposed with input shaft；First buckle connecting structure includes setting
The first snap ring in the first fixed cover body on side and at least one be arranged on the first slip cap body end face and can be with first
The first Elastic buckle that snap ring coordinates, first snap ring, the first Elastic buckle and input shaft end-blocking lid are located at the first slip cap
The same side of body；Described first fixes between body and the first slip body provided with the first exterior seal ring, first slip cap
The first inner seal ring is provided between body and input shaft, and the first inner seal ring is fixed in the first slip cap body on side；It is described
On input shaft lateral surface, first annular resigning groove is provided with the outside of reduction case；Side in the first fixed cover body
Provided with the first outer annular spacing block set, it is provided with the first slip cap outside, on the inside of the first outer annular spacing block set
Collar stop is provided with first annular spacing block set, the first slip cap outside, positioned at the external side of the first fixed cover,
Provided with can support the first annular spacing block set on first slip body, between the first fixed cover body end face and collar stop
Lean against the first pretension compression spring on the first outer annular spacing block set；When the first annular spacing block set is resisted against the first outer shroud
When on shape spacing block set, first inner seal ring is located in first annular resigning groove, and the first inner seal ring and the first ring
Gap is provided between shape resigning groove inner wall；After the first Elastic buckle and the first snap ring clamping, the first inner seal ring position
Hermetical connecting structure is formed on the outside of first annular resigning groove, and between the first slip body and input shaft.
When the axle envelope oil leak of this programme input shaft（I.e. oil sealing oil leak when）, it is only necessary to the first slip body is pushed away inside,
And make the first Elastic buckle and the first snap ring clamping.After the first Elastic buckle and the first snap ring clamping, the first interior sealing
Circle is located on the outside of first annular resigning groove, and slides formation novel sealing attachment structure between body and input shaft first；From
And first on the outside of axle envelope slides and novel sealing attachment structure is formed between body and input shaft, axle envelope Leakage is solved, this
Sample can eliminate disintegration reductor, tear the process that shaft joint etc. is wasted time and energy open；Decelerator one in the prior art can effectively be solved
There is the axle envelope oil leak of input shaft in denier, then needs to disintegrate reductor, pulls down shaft coupling, takes out reductor shaft end-blocking lid, then
Axle envelope is changed, and is reinstalled, is wasted time and energy, the problem of workload is big.
Preferably, input shaft end-blocking lid middle part is provided with axis hole, the input shaft passes through the axis hole；The axis hole medial surface
It is provided with provided with the annular pressing plate that can be moved axially along input shaft in oil sealing mounting groove, oil sealing mounting groove, annular pressing plate is set in
On input shaft；The oil sealing is hollow O-ring seal, and the oil sealing is arranged in oil sealing mounting groove, and the annular pressing plate is located at
Between oil sealing and the first slip body, and oil sealing is brought into close contact with annular pressing plate；In the oil sealing mounting groove side, close to first
The side for sliding body is provided with least two guide through hole parallel with input shaft, and each guide through hole is circumferential around input shaft
Uniformly；Slidable provided with axial push rod respectively in each guide through hole, one end of axial push rod is connected with annular pressing plate, another
End is located in the first fixed cover body, and the annular pressing plate and axial push rod are located at first the same side for sliding body；In first
When annular stop projection is resisted against on the first outer annular spacing block set, between having between the axial push rod and the first slip body
Gap；When first slides body and elapsed toward oil sealing direction, and make after the first Elastic buckle and the first snap ring clamping, first slip
The end face of body is resisted against the end of axial push rod, and axial push rod is elapsed into 0.3 to 1.2 millimeter toward oil sealing direction.
When the axle envelope oil leak of this programme input shaft, it is only necessary to push away the first slip body inside, and make the first elastic card
Button and the first snap ring clamping.Due to being elapsed when the first slip body toward oil sealing direction, and make the first Elastic buckle and first
After snap ring clamping, the end face of the first slip body is resisted against the end of axial push rod, and axial push rod is elapsed toward oil sealing direction
0.3 to 1.2 millimeter；So annular pressing plate will push oil sealing, simultaneously because oil sealing is hollow O-ring seal（Hollow annular
Sealing ring has larger deformation quantity）, will be toward input shaft protrusion, increase oil sealing and input shaft after oil sealing is extruded by annular pressing plate
Between composition surface and normal pressure, so as to repair the Hermetical connecting structure between oil sealing and input shaft, and coordinate standby input oil
Seal structure, it is new into front and rear two sealed structures on input shaft, the sealing effectiveness of input shaft is further improved, further effective solution
Certainly, axle envelope Leakage is prevented.
Preferably, being connected through a screw thread between axial push rod and annular pressing plate.
Preferably, the first Elastic buckle includes being arranged on the bullet extended on the first slip cap body end face and along input shaft
Property arm and be arranged on elastic arm end fixture block constitute.
Preferably, the section of first annular resigning groove is in circular arc.
Preferably, the first slip cap outside is provided with the first exterior seal ring mounting groove, first exterior seal ring
It is fixedly installed in the first exterior seal ring mounting groove.
Preferably, side is provided with the first inner seal ring mounting groove, first inner seal ring in the first slip cap body
It is fixedly installed in the first inner seal ring mounting groove.
Preferably, being connected through a screw thread between collar stop and the first slip body.
The beneficial effects of the invention are as follows：Reducer input shaft in the prior art can effectively be solved and axle envelope oil leak once occur,
Then need to change axle envelope, waste time and energy, the problem of workload is big.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 be the present invention the first Elastic buckle and the first snap ring clamping after a kind of partial structural diagram.
In figure：Reduction case 1, input shaft 2, input shaft end-blocking lid 3, oil sealing 31, axis hole 32, oil sealing mounting groove 33 are standby
Body is fixed with input oil enveloping structure 4, the first buckle connecting structure 41, the first snap ring 41a, the first Elastic buckle 41b, first
42nd, first annular resigning groove 43, the first inner seal ring 44, first slide body 45, the first pretension compression spring 46, annular gear
The outer annular spacing block set 48 of block 47, first, the first annular spacing block set 49, the 3rd exterior seal ring 410, annular pressing plate 5, axial direction
Push rod 51.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Embodiment 1：As shown in figure 1, a kind of reducer input shaft sealing structure includes reduction case 1, input shaft 2 and defeated
Enter axle envelope end cap 3.Input shaft blocks lid through input shaft and is arranged on by bearing on reduction case.Input shaft end-blocking lid
Oil sealing 31 is provided between input shaft.Oil sealing is sealing ring.
As shown in Figure 1 and Figure 2, standby input oil enveloping structure 4 is additionally provided between input shaft end-blocking lid and input shaft.This is standby
Oil enveloping structure is inputted to be located on the outside of reduction case.Standby input oil enveloping structure includes being arranged on input shaft end-blocking lid outer face
First fix body 42, the first slip body 45 for being slidably arranged in the first fixed cover body and be arranged on the first fixed cover
The first buckle connecting structure 41 between body and the first slip body.First fixation body is set on input shaft, and with input
Axle is coaxially disposed.First slip body is set on input shaft, and is coaxially disposed with input shaft.First buckle connecting structure includes
The first snap ring 41a being arranged in the first fixed cover body on side and at least one be arranged on the first slip cap body end face, simultaneously
The the first Elastic buckle 41b that can coordinate with the first snap ring.The first Elastic buckle quantity in the present embodiment is four, and four the
One Elastic buckle is circumferentially uniform around input shaft.First snap ring, the first Elastic buckle and input shaft end-blocking lid are located at the first slip cap
The same side of body.First Elastic buckle include being arranged on the elastic arm that extends on the first slip cap body end face and along input shaft and
The fixture block for being arranged on elastic arm end is constituted.
First fixes between body and the first slip body provided with the first exterior seal ring 410.First slip cap outside
The first exterior seal ring mounting groove is provided with, the first exterior seal ring is fixedly installed in the first exterior seal ring mounting groove.First slides
The first inner seal ring 44 is provided between body and input shaft, and the first inner seal ring is fixed in the first slip cap body on side.
Side is provided with the first inner seal ring mounting groove in first slip cap body, and the first inner seal ring is fixedly installed on the first inner seal ring
In mounting groove.On input shaft lateral surface, first annular resigning groove 43 is provided with the outside of casing.First annular resigning groove
Section is in circular arc.
Side is provided with the first outer annular spacing block set 48 in first fixed cover body.On first slip cap outside, position
The first annular spacing block set 49 is provided with the inside of the first outer annular spacing block set.On first slip cap outside, positioned at
The external side of one fixed cover is provided with collar stop 47.It is connected through a screw thread between collar stop and the first slip body.First slides
The first pretension compression spring 46 is provided with body, between the first fixed cover body end face and collar stop, this first presses in advance
Contracting spring can be such that the first annular spacing block set is resisted against on the first outer annular spacing block set.
As shown in Fig. 2 when the first annular spacing block set is resisted against on the first outer annular spacing block set, the first interior sealing
Circle is located in first annular resigning groove, and gap is provided between the first inner seal ring and first annular resigning groove inner wall.Such as
Shown in Fig. 3, after the first Elastic buckle and the first snap ring clamping, the first inner seal ring is located on the outside of first annular resigning groove
（That is the first inner seal ring is in staggered distribution with first annular resigning groove）, and form close between the first slip body and input shaft
Seal attachment structure.
As shown in Figure 1 and Figure 2, when standby input oil enveloping structure does not work, the first annular spacing block set is resisted against outside first
On annular stop projection, the first inner seal ring is located in first annular resigning groove, and the first inner seal ring is stepped down with first annular
Gap is provided between groove inner wall；So the first inner seal ring will not be worn in the decelerator course of work.
As shown in Figure 1, Figure 3, when the axle envelope oil leak of input shaft, operator only needs to slide body toward oil sealing side by first
To passage, and make the first Elastic buckle and the first snap ring clamping, now the first inner seal ring is located at outside first annular resigning groove
Side, and formation novel sealing attachment structure between body and input shaft is slided first, so that the first slip cap on the outside of axle envelope
Novel sealing attachment structure is formed between body and input shaft, axle envelope Leakage is solved.
Embodiment 2：Remaining structure of the present embodiment is with reference to embodiment 1, its difference：
As shown in Figure 1 and Figure 2, input shaft end-blocking lid middle part is provided with axis hole 32.Input shaft passes through the axis hole.Axis hole medial surface
It is provided with oil sealing mounting groove 33.Provided with the annular pressing plate 5 that can be moved axially along input shaft in oil sealing mounting groove.Annular pressing plate is arranged
On input shaft.Oil sealing 31 is hollow O-ring seal.The oil sealing is arranged in oil sealing mounting groove.Annular pressing plate is located at oil sealing
Between the first slip body.Oil sealing is brought into close contact with annular pressing plate；Oil sealing installs groove bottom and away from first with oil sealing simultaneously
The oil sealing mounting groove side for sliding body is brought into close contact.Set in oil sealing mounting groove side, on the side of the first slip body
There are four guide through hole parallel with input shaft, and each guide through hole is circumferentially uniform around input shaft.In each guide through hole respectively
It is slidable to be provided with axial push rod 51.One end of axial push rod is connected with annular pressing plate, and the other end is located at first and fixes body
It is interior.It is connected through a screw thread between axial push rod and annular pressing plate.Annular pressing plate and axial push rod are located at first and slide the same of body
Side.
As shown in Fig. 2 when the first annular spacing block set is resisted against on the first outer annular spacing block set, axial push rod with
There is gap between first slip body.Elapsed as shown in figure 3, working as first and sliding body toward oil sealing direction, and make the first elasticity
After buckle and the first snap ring clamping, the end face of the first slip body is resisted against the end of axial push rod, and axial push rod is past oily
Seal direction and elapse 0.3 millimeter or 0.5 millimeter or 0.8 millimeter or 1.2 millimeters.
Claims (4)
1. a kind of reducer input shaft sealing structure, including reduction case, input shaft and input shaft end-blocking lid, the input shaft
Lid is blocked through input shaft and is arranged on by bearing on reduction case, it is characterized in that, the input shaft end-blocking lid and input
Oil sealing is provided between axle；Standby input oil enveloping structure is additionally provided between the input shaft end-blocking lid and input shaft, the standby input
Oil enveloping structure is located on the outside of reduction case, and standby input oil enveloping structure includes being arranged on the on input shaft end-blocking lid outer face
One fixes body, and first be slidably arranged in the first fixed cover body slides body and be arranged on the first fixation body and first
Slide the first buckle connecting structure between body；The first fixation body is set on input shaft, and coaxial with input shaft
Set, the first slip body is set on input shaft, and is coaxially disposed with input shaft；The first buckle connecting structure bag
Include and be arranged on the first snap ring in the first fixed cover body on side and at least one is arranged on the first slip cap body end face and can
The first Elastic buckle coordinated with the first snap ring, first snap ring, the first Elastic buckle and input shaft end-blocking lid are located at first
Slide the same side of body；
Described first fixes between body and the first slip body provided with the first exterior seal ring, the first slip body and input
The first inner seal ring is provided between axle, and the first inner seal ring is fixed in the first slip cap body on side；Outside the input shaft
On side, first annular resigning groove is provided with the outside of reduction case；
Side is provided with the first outer annular spacing block set, the first slip cap outside, is located in the first fixed cover body
It is provided with the inside of first outer annular spacing block set on the first annular spacing block set, the first slip cap outside, positioned at the
The external side of one fixed cover is provided with collar stop, and first slides on body, between the first fixed cover body end face and collar stop
Provided with the first pretension compression spring that the first annular spacing block set can be made to be resisted against on the first outer annular spacing block set；
When the first annular spacing block set is resisted against on the first outer annular spacing block set, first inner seal ring is located at first
Gap is provided with annular resigning groove, and between the first inner seal ring and first annular resigning groove inner wall；When the first elastic card
After button and the first snap ring clamping, first inner seal ring is located on the outside of first annular resigning groove, and slides body first
Hermetical connecting structure is formed between input shaft；
It is connected through a screw thread between the collar stop and the first slip body；
The input shaft end-blocking lid middle part is provided with axis hole, and the input shaft passes through the axis hole；The axis hole medial surface is provided with oil
Seal provided with the annular pressing plate that can be moved axially along input shaft in mounting groove, oil sealing mounting groove, annular pressing plate is set on input shaft；
The oil sealing is hollow O-ring seal, and the oil sealing is arranged in oil sealing mounting groove, and the annular pressing plate is located at oil sealing and the
Between one slip body, and oil sealing is brought into close contact with annular pressing plate；
The side that body is slided in the oil sealing mounting groove side, close to first is parallel with input shaft provided with least two
Guide through hole, and each guide through hole is circumferentially uniform around input shaft；It is slidable provided with axial push rod, axle respectively in each guide through hole
It is connected to one end of push rod with annular pressing plate, the other end is located in the first fixed cover body, the annular pressing plate and axial push rod
Positioned at first the same side for sliding body；
When the first annular spacing block set is resisted against on the first outer annular spacing block set, the axial push rod and the first slip cap
There is gap between body；When first slides body and elapsed toward oil sealing direction, and make after the first Elastic buckle and the first snap ring clamping,
The end face of the first slip body is resisted against the end of axial push rod, and axial push rod is elapsed into 0.3 to 1.2 toward oil sealing direction
Millimeter；
First Elastic buckle includes being arranged on the first slip cap body end face and the elastic arm extended along input shaft and setting
Fixture block in elastic arm end is constituted；
The section of the first annular resigning groove is in circular arc.
2. reducer input shaft sealing structure according to claim 1, it is characterized in that, the axial push rod and annular pressing plate
Between be connected through a screw thread.
3. reducer input shaft sealing structure according to claim 1 or 2, it is characterized in that, first slip cap is external
Side is provided with the first exterior seal ring mounting groove, and first exterior seal ring is fixedly installed in the first exterior seal ring mounting groove.
4. reducer input shaft sealing structure according to claim 1 or 2, it is characterized in that, in the first slip cap body
Side is provided with the first inner seal ring mounting groove, and first inner seal ring is fixedly installed in the first inner seal ring mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510097244.0A CN104776203B (en) | 2015-03-04 | 2015-03-04 | Reducer input shaft sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510097244.0A CN104776203B (en) | 2015-03-04 | 2015-03-04 | Reducer input shaft sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104776203A CN104776203A (en) | 2015-07-15 |
| CN104776203B true CN104776203B (en) | 2017-08-15 |
Family
ID=53617855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510097244.0A Expired - Fee Related CN104776203B (en) | 2015-03-04 | 2015-03-04 | Reducer input shaft sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104776203B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10337618B2 (en) * | 2017-04-07 | 2019-07-02 | Gm Global Technology Operations Llc. | Seal assembly for a steering gear input shaft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201177042Y (en) * | 2008-03-28 | 2009-01-07 | 宁波东力传动设备股份有限公司 | Combination type sealing structure for heavy-duty gear box high speed axis |
| CN201627928U (en) * | 2010-04-29 | 2010-11-10 | 太原重工股份有限公司 | Combined sealing device of input shaft of gear box |
| DE102013012916A1 (en) * | 2012-09-25 | 2014-03-27 | Sew-Eurodrive Gmbh & Co Kg | Sealing arrangement for the sealing of a shaft and gear |
| CN203770592U (en) * | 2014-03-31 | 2014-08-13 | 浙江顺天减速机制造有限公司 | Novel speed reducer |
| CN203796906U (en) * | 2014-01-26 | 2014-08-27 | 唐山市丰润区鑫源机械制造有限公司 | Reducer input and output shaft end sealing device |
| CN204477265U (en) * | 2015-03-04 | 2015-07-15 | 盐城工学院 | A kind of reducer input shaft sealing configuration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5996857B2 (en) * | 2011-09-30 | 2016-09-21 | 東京エレクトロン株式会社 | Drive device and substrate processing system |
-
2015
- 2015-03-04 CN CN201510097244.0A patent/CN104776203B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201177042Y (en) * | 2008-03-28 | 2009-01-07 | 宁波东力传动设备股份有限公司 | Combination type sealing structure for heavy-duty gear box high speed axis |
| CN201627928U (en) * | 2010-04-29 | 2010-11-10 | 太原重工股份有限公司 | Combined sealing device of input shaft of gear box |
| DE102013012916A1 (en) * | 2012-09-25 | 2014-03-27 | Sew-Eurodrive Gmbh & Co Kg | Sealing arrangement for the sealing of a shaft and gear |
| CN203796906U (en) * | 2014-01-26 | 2014-08-27 | 唐山市丰润区鑫源机械制造有限公司 | Reducer input and output shaft end sealing device |
| CN203770592U (en) * | 2014-03-31 | 2014-08-13 | 浙江顺天减速机制造有限公司 | Novel speed reducer |
| CN204477265U (en) * | 2015-03-04 | 2015-07-15 | 盐城工学院 | A kind of reducer input shaft sealing configuration |
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| Publication number | Publication date |
|---|---|
| CN104776203A (en) | 2015-07-15 |
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