CN208107126U - A kind of deceleration box seal device - Google Patents
A kind of deceleration box seal device Download PDFInfo
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- CN208107126U CN208107126U CN201721808385.XU CN201721808385U CN208107126U CN 208107126 U CN208107126 U CN 208107126U CN 201721808385 U CN201721808385 U CN 201721808385U CN 208107126 U CN208107126 U CN 208107126U
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- oil
- transparent cover
- oil sealing
- sealing bushing
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Abstract
The utility model discloses a kind of deceleration box seal devices, belong to field of machining.It includes transparent cover, it further include outside framework oil seal and oil sealing bushing, the oil sealing bushing is set on axis, and the transparent cover is set on oil sealing bushing, the outside framework oil seal is provided on the inside of the transparent cover, and the outside framework oil seal is between the oil sealing bushing and the transparent cover.Aiming at the problem that existing deceleration box seal device poor sealing effect causes oil plant to waste and pollute, its sealing effect is good, and ensure that the reflux of part oil, reduces costs.
Description
Technical field
The utility model belongs to field of machining, is related to a kind of deceleration box seal device, more specifically to one kind
The high low speed reduction gearbox transparent cover device for having oil return and sealing effect.
Background technique
It is provided with oil-recovery tank between the high slow-speed shaft and transparent cover of old-fashioned roller gear reduction gearbox, in operation process, oil can not
It is back in reduction gearbox from oil-recovery tank completely, oil can be overflowed from transparent cover and high slow-speed shaft mating surface in reduction gearbox, oil sealing and axis
Cooperate precision not high, even if sealing effect can not be reached by installing oil sealing in transparent cover, existing transparent cover design is caused in reduction gearbox
The waste and pollution of oil, it would therefore be highly desirable to study a kind of existing sealing effect but also with the deceleration box seal device of oil return function.
Chinese utility model patent, publication number：CN204592244U, publication date：On August 26th, 2015, discloses one kind
Speed reducer output shaft sealing device, including gear, the decelerator body, labyrinth transparent cover and speed reducer output shaft；The gear fixing sleeve
It is located at speed reducer output shaft one end, and gear is located in the decelerator body, the other end of speed reducer output shaft stretches out the decelerator body, fan
Palace transparent cover is located at the decelerator body port, and labyrinth transparent cover is set on speed reducer output shaft, is equipped in the middle part of the transparent cover of labyrinth close
The interior edge of speed reducer output shaft is contacted, interior edge cooperatively forms transparent cover oil groove, transparent cover oil groove with the outer for being located at labyrinth transparent cover left end
Oil return hole is opened up on the cell wall of left side, labyrinth transparent cover right end is equipped with outside framework oil seal；The speed reducer output shaft sealing device can solve
Certainly speed reducer Leakage reduces the consumption of oil product, solves workshop condition pollution problem caused by due to oil leak.It is insufficient
Place is：Seal structure complex, processing technology is cumbersome, and installation accuracy requires height, using dimension in old-fashioned roller gear reduction gearbox
Protect higher cost.
Chinese utility model patent, publication number：CN201177042Y, publication date：It discloses for weight on January 7th, 2009
The combined seal structure of type high speed shaft of gearbox by bushing on main shaft of main shaft, elastic conjunction, is mounted on bushing and end cap
Between the compound dual-seal being made of contact seal box non-contacting seal.The estimation oil sealing of contact seal is by pressing plate
It is fixed and clamped between bushing and end cap, which has been auxiliary seal effect, and plays dustproof and waterproof.It is contactless
Sealing is the collection oil duct and labyrinth step for being connected to cabinet oil return hole with the setting of the binding site of end cap in bushing, forms oil clearance
H.Compound dual-seal integrates two kinds of sealing means, bigger than simple skeleton oil seal receiving internal and external pressure difference, at low cost,
Have many advantages, such as that long service life, dustproof and waterproof performance be good, not easy to leak.Its shortcoming is：The engaging portion of bushing and end cap
The mode of collection oil duct and labyrinth step is set, and seal structure complex, processing technology is cumbersome, and installation accuracy requires height, in old-fashioned circle
Applicating maintenance higher cost in stud wheel reduction gearbox.
Utility model content
1, it to solve the problems, such as
Aiming at the problem that existing deceleration box seal device poor sealing effect causes oil plant to waste and pollute, the utility model is mentioned
For a kind of deceleration box seal device, its sealing effect is good, and ensure that the reflux of part oil, reduces costs.
2, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of deceleration box seal device, including transparent cover, further include outside framework oil seal and oil sealing bushing, and the oil sealing bushing is arranged
On axis, the transparent cover is set on oil sealing bushing, and the outside framework oil seal, and skeleton oil are provided on the inside of the transparent cover
Envelope is between the oil sealing bushing and the transparent cover.
Oil sealing bushing is arranged between transparent cover and axis, and outside framework oil seal is mounted in transparent cover, and be located at transparent cover and axis it
Between, oil sealing bushing avoids outside framework oil seal and contacts and wear with shaft diameter, to solve the sealing of deceleration box seal device
The problem of effect difference causes oil plant to waste and pollute, prevent the waste that leaks；The quick detachable easy replacement of the device；It is safeguarded at sealing
When, oil sealing bushing and outside framework oil seal are only needed to change, thus reduce maintenance cost；
Preferably, the internal diameter of the oil sealing bushing and the axis are interference fitted.The interference fit of oil sealing bushing and axis, with true
Protecting oil will not ooze out from contact surface between the two.
Preferably, the inner hole clearance fit of the outer diameter of the oil sealing bushing and the transparent cover.It is returned convenient for oily in reduction gearbox
Stream, after oil reaches outside framework oil seal, because sealing function passes through in clearance backflow to reduction gearbox again.
Preferably, the transparent cover is far from the oil sealing mounting groove for offering annular on the inside of bearing one end, the skeleton oil
Envelope is fixedly mounted in the oil sealing mounting groove；The outside framework oil seal outer diameter and the oil sealing mounting groove internal diameter are according to technology
Standard cooperation.
Preferably, the internal diameter of the outer diameter of the oil sealing bushing and the outside framework oil seal is interference fitted；Guarantee that oil will not be from two
Contact surface exudation between person.
Preferably, oil return hole, the center line of the oil return hole and institute are provided on the transparent cover end face adjacent with bearing
State the centerline parallel of transparent cover.Convenient for reflux oily in case.
Preferably, bearing positioning is provided between the transparent cover and bearing.The bearing positioning and the oil sealing serve as a contrast
Set plays the role of axially position to bearing.
Preferably, upper and lower box positioning is provided on the outside of the transparent cover.Closure for upper and lower box assembles.
Preferably, the axial length of the oil sealing bushing is greater than the axial length of the transparent cover.
Preferably, be provided between the oil return hole and the oil sealing mounting groove annular oil-recovery tank, the oil return hole and
The oil-recovery tank connection, the oil-recovery tank are connected to the inner hole of the transparent cover.
3, beneficial effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) deceleration box seal device provided by the utility model is arranged with oil sealing bushing, and skeleton between transparent cover and axis
Oil sealing is mounted in transparent cover, and between transparent cover and axis, and oil sealing bushing avoids outside framework oil seal and contacts and occur with shaft diameter
Abrasion, to solve the problems, such as that deceleration box seal device poor sealing effect causes oil plant to waste and pollute, the device is quick detachable
Easily replacement；
(2) deceleration box seal device provided by the utility model only needs to change oil sealing bushing and bone when to safeguarding at sealing
Frame oil sealing, thus reduce maintenance cost；
(3) deceleration box seal device provided by the utility model solves oil waste in reduction gearbox because oil no longer exosmoses
Problem.
(4) deceleration box seal device provided by the utility model because being equipped with oil sealing bushing between axis and transparent cover, therefore extends
The service life of the high slow-speed shaft of reduction gearbox；
(5) interference fit of deceleration box seal device provided by the utility model, oil sealing bushing and axis guarantees that oil will not be from
Contact surface exudation between the two；
(6) interference fit of deceleration box seal device provided by the utility model, outside framework oil seal and oil sealing bushing guarantees oil
It will not be from exudation between the two.
Detailed description of the invention
Fig. 1 is the structure sectional view of the utility model；
Fig. 2 is that the utility model installs the assembling structure cross-sectional view to axis；
Fig. 3 is the transparent cover structure sectional view of the utility model；
Fig. 4 is the transparent cover of the utility model and the structural schematic diagram of bearing adjacent face；
Fig. 5 is the assembling structure cross-sectional view of transparent cover and axis before improving.
In figure：1, transparent cover；2, outside framework oil seal；3, oil sealing bushing；5, axis；6, bearing；7, oil return hole；8, oil-recovery tank；9, axis
Hold positioning；10, upper and lower box positioning；11, oil sealing mounting groove.
Specific embodiment
The utility model is further described below in the following with reference to the drawings and specific embodiments.
A kind of deceleration box seal device, including transparent cover 1 further include outside framework oil seal 2 and oil sealing bushing 3, the oil sealing bushing 3
It being set on axis 5, the transparent cover 1 is set on oil sealing bushing 3, the outside framework oil seal 2 is provided on the inside of the transparent cover 1, and
The outside framework oil seal 2 is between the oil sealing bushing 3 and the transparent cover 1.
Oil sealing bushing is arranged between transparent cover and axis, and outside framework oil seal is mounted in transparent cover, and be located at transparent cover and axis it
Between, oil sealing bushing avoids outside framework oil seal 2 and wears with 5 diameter contact of axis, so that it is close to solve deceleration box seal device
The problem of envelope effect difference causes oil plant to waste and pollute, prevent the waste that leaks；The quick detachable easy replacement of the device；It is safeguarded at sealing
When, oil sealing bushing and outside framework oil seal are only needed to change, thus reduce maintenance cost；
The internal diameter of the oil sealing bushing 3 and the axis 5 are interference fitted.The interference fit of oil sealing bushing 3 and axis 5, to ensure
Oil will not be oozed out from contact surface between the two.
The inner hole clearance fit of the outer diameter of the oil sealing bushing 3 and the transparent cover 1.Convenient for reflux oily in reduction gearbox, oil
After reaching outside framework oil seal 2, because sealing function passes through in clearance backflow to reduction gearbox again.
The transparent cover 1 is far from the oil sealing mounting groove 11 for offering annular on the inside of 6 one end of bearing, the outside framework oil seal 2
It is fixedly mounted in the oil sealing mounting groove 11；2 outer diameter of outside framework oil seal and 11 internal diameter of oil sealing mounting groove according to
Technical standard cooperation.
The internal diameter of the outer diameter of the oil sealing bushing 3 and the outside framework oil seal 2 is interference fitted；Guarantee that oil will not be between the two
Contact surface exudation.
It is provided with oil return hole 7 on the transparent cover 1 end face adjacent with bearing 6, the center line of the oil return hole 7 and described
The centerline parallel of lid 1, convenient for reflux oily in case.As shown in figure 4, to be evenly distributed on transparent cover 1 adjacent with bearing 6 for oil return hole 7
End face on.
Bearing positioning 9 is provided between the transparent cover 1 and bearing 6.The bearing positioning 9 and the oil sealing bushing 3
Play the role of axially position to bearing 6.
It is provided with upper and lower box positioning 10 on the outside of the transparent cover 1, the closure for upper and lower box assembles.
The axial length of the oil sealing bushing 3 is greater than the axial length of the transparent cover 1.
The oil-recovery tank 8 of annular, the oil return hole 7 and institute are provided between the oil return hole 7 and the oil sealing mounting groove 11
The connection of oil-recovery tank 8 is stated, the oil-recovery tank 8 is connected to the inner hole of the transparent cover 1.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of deceleration box seal device, including transparent cover 1, outside framework oil seal 2 and oil sealing bushing 3,
The transparent cover 1 is made of oil return hole 7, oil-recovery tank 8, oil sealing mounting groove 11, and oil return hole 7, oil-recovery tank 8, oil sealing mounting groove 11 are equal
Positioned at the internal structure of transparent cover 1.Oil return hole 7 and oil-recovery tank 8 in operation process in roller gear reduction gearbox to being splashed in transparent cover 1
The oil of side position plays reflowing result, and oil-recovery tank 8 also acts as oil return effect.
Outside framework oil seal 2 is fixed in the oil sealing mounting groove 11 of transparent cover 1,2 outer diameter of outside framework oil seal and oil sealing mounting groove 11
Internal diameter cooperates according to technical standard.
Oil sealing bushing 3 is mounted on axis 5, and 3 internal diameter of oil sealing bushing and 5 outer diameter of axis are interference fitted.
3 outer diameter of oil sealing bushing and the minimum inner circle diametric clearance of transparent cover 1 cooperate, convenient for reflux oily in case, even if reaching oil
After envelope 2, because the sealing function of outside framework oil seal 2 flows back again.Another 3 outer diameter of oil sealing bushing and 2 internal diameter of outside framework oil seal are interference fitted, and are played
Sealing effect.3 length dimension of oil sealing bushing is slightly larger than 1 thickness of transparent cover, guarantees that transparent cover 1 and outside framework oil seal 2 can be mounted on
In 3 length range of oil sealing bushing.
The cooling technique to axis 5 is taken, oil sealing bushing 3 is mounted on axis 5, in order to guarantee that oil sealing bushing 3 can be filled easily
Enter on axis 5.
Sealing effect consists of three parts, first is that the oil-recovery tank 8 of transparent cover 1 can be to the oil in the reduction gearbox in operating to thoroughly
There is being back in case for part when 1 position of lid, second is that the interference fit of oil sealing bushing 3 and axis 5 guarantees that oil will not be between the two
Contact surface exudation, third is that the interference fit of outside framework oil seal 2 and oil sealing bushing 3 guarantee oil will not from exudation between the two, thus
Solves the Leakage of reduction gearbox.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of deceleration box seal device of the present embodiment, the technical solution class with embodiment 1
Seemingly, it is to be transformed on the basis of the prior art (as shown in Figure 5), transparent cover 4 is disassembled, processes axis by its location dimension
Hold positioning 9, upper and lower box positioning 10.To retain oil return effect, process oil return hole 7 (distribution of oil return hole 7 is as shown in Figure 4)
With oil-recovery tank 8.As illustrated in fig. 1 and 2, oil sealing mounting groove 11, oil sealing installation are processed on the inside of the one end of transparent cover 1 far from bearing 6
Slot 11 is used for mounting framework oil sealing 2.Oil sealing bushing 3 is processed, internal diameter and 5 outer diameter of axis are interference fitted, outer diameter and outside framework oil seal 2
Internal diameter interference fit, so that it is guaranteed that 3 inside and outside circle contact surface of oil sealing bushing is all not in oil leak situation.The axial direction of oil sealing bushing 3
Length is slightly larger than the axial length of old transparent cover 4, and when oil sealing bushing 3 is installed, 3 inner opposite end of oil sealing bushing navigates to 6 inner ring of bearing.
1 inner hole of transparent cover is processed, is cooperated with 3 crest clearance of oil sealing bushing, when axis 5 rotates, oil sealing bushing 3 is rotated synchronously not
It can interfere with 1 inner hole of transparent cover, and reflux can be played the role of.
Before transparent cover 1 is cased, bearing 6 is first filled to designated position on axis 5, then by 3 installation axle 5 of oil sealing bushing, 6 He of bearing
The assembly of oil sealing bushing 3 and axis 5 is all taken and carries out Cold assembly technology to axis 5, why do not take oil sealing bushing 3 side of hot charging
Formula is to guarantee that the cooperation of oil sealing bushing 3 and outside framework oil seal 2 is not in deviation, realizes interference fit, prevent oil leak feelings
Condition.
Outside framework oil seal 2 is fitted into the oil sealing mounting groove 11 of transparent cover 1, then transparent cover 1 is filled on the oil sealing bushing 3 of axis 5, most
It is just adjusted vanning afterwards.
The present embodiment solves the problems, such as the frequent oil leak of the high low speed of FS3-18 crane barge reduction gearbox, avoids the unnecessary of oil plant
Waste.If only processing outside framework oil seal 2 is in meeting in the case of long-term work withouyt oil sealing bushing 3, axis 5 and the cooperation of outside framework oil seal 2
It wears, installs oil sealing bushing 3 additional and avoid this problem, and extend the service life of axis 5.Structural principle is simple, is easy to
Processing and fabricating, low manufacture cost can be commonly applied on the high slow-speed shaft of other types roller gear reduction gearbox.
Embodiment 3
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, schematic example is as follows：Process a transparent cover 1, thickness 30mm is more existing
Old transparent cover thickness 10mm, upper and lower box positioning 10, bearing positioning 9, oil return hole 7,8 size of oil-recovery tank of new transparent cover 1 are pressed existing
Upper and lower box positioning 10, bearing positioning 9, oil return hole 7,8 dimensioned of oil-recovery tank for the old transparent cover having.Outside framework oil seal 2 selects
Model 75X100X10 unit：Mm, 75mm are 2 internal diameter of outside framework oil seal, and 100mm is 2 outer diameter of outside framework oil seal, and 10mm is skeleton oil
2 thickness are sealed, 11 diameter of oil sealing mounting groove of transparent cover 1 is processed into 100mm, cooperates with the outer diameter 100mm of outside framework oil seal 2, oil sealing peace
11 deep processing of tankage is at 15mm.Oil sealing bushing 3 is processed, outer diameter 75mm is interference fitted with 2 internal diameter of outside framework oil seal, plays close
Envelope effect；Its internal diameter 60mm is interference fitted with 5 diameter of axis, is avoided that oil oozes out between oil sealing bushing 3 and axis 5；Oil sealing bushing
3 length 35mm, size are greater than the thickness of transparent cover 1；20 ° of 3 outboard end chamfering of oil sealing bushing, for the ease of outside framework oil seal 2
Installation.1 internal diameter 75mm of transparent cover, size and 3 outer diameter clearance fit of oil sealing bushing are processed, the oil of oil-recovery tank 8 is easily entered
It flows back due to the sealing cooperation between outside framework oil seal 2 and oil sealing bushing 3 can not exosmose.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of deceleration box seal device, including transparent cover (1), it is characterised in that：It further include outside framework oil seal (2) and oil sealing bushing
(3), the oil sealing bushing (3) is set on axis (5), and the transparent cover (1) is set on oil sealing bushing (3), in the transparent cover (1)
Side is provided with the outside framework oil seal (2), and the outside framework oil seal (2) be located at the oil sealing bushing (3) and the transparent cover (1) it
Between.
2. deceleration box seal device according to claim 1, it is characterised in that：The internal diameter of the oil sealing bushing (3) and institute
State axis (5) interference fit.
3. deceleration box seal device according to claim 1, it is characterised in that：The outer diameter of the oil sealing bushing (3) and institute
State the inner hole clearance fit of transparent cover (1).
4. deceleration box seal device according to claim 1, it is characterised in that：The transparent cover (1) is far from bearing (6) one end
Inside offer the oil sealing mounting groove (11) of annular, the outside framework oil seal (2) is fixedly mounted on the oil sealing mounting groove
(11) in.
5. deceleration box seal device according to claim 4, it is characterised in that：The outer diameter of the oil sealing bushing (3) and institute
State the internal diameter interference fit of outside framework oil seal (2).
6. deceleration box seal device according to claim 4, it is characterised in that：The transparent cover (1) and bearing (6) are adjacent
It is provided on end face oil return hole (7), the center line of the oil return hole (7) and the centerline parallel of the transparent cover (1).
7. deceleration box seal device according to claim 4, it is characterised in that：It is set between the transparent cover (1) and bearing (6)
It is equipped with bearing positioning (9).
8. deceleration box seal device according to claim 1, it is characterised in that：It is provided on the outside of the transparent cover (1)
Upper and lower box positioning (10).
9. deceleration box seal device according to claim 1, it is characterised in that：The axial length of the oil sealing bushing (3)
Greater than the axial length of the transparent cover (1).
10. deceleration box seal device according to claim 6, it is characterised in that：The oil return hole (7) and oil sealing peace
The oil-recovery tank (8) of annular is provided between tankage (11), the oil return hole (7) is connected to the oil-recovery tank (8), the oil-recovery tank
(8) it is connected to the inner hole of the transparent cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808385.XU CN208107126U (en) | 2017-12-21 | 2017-12-21 | A kind of deceleration box seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808385.XU CN208107126U (en) | 2017-12-21 | 2017-12-21 | A kind of deceleration box seal device |
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| CN208107126U true CN208107126U (en) | 2018-11-16 |
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ID=64130883
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623388A (en) * | 2021-08-10 | 2021-11-09 | 江苏国茂减速机股份有限公司 | Integral box speed reducer |
-
2017
- 2017-12-21 CN CN201721808385.XU patent/CN208107126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623388A (en) * | 2021-08-10 | 2021-11-09 | 江苏国茂减速机股份有限公司 | Integral box speed reducer |
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