CN205388152U - Special wet -type mechanical seal device of ball mill - Google Patents
Special wet -type mechanical seal device of ball mill Download PDFInfo
- Publication number
- CN205388152U CN205388152U CN201620201514.8U CN201620201514U CN205388152U CN 205388152 U CN205388152 U CN 205388152U CN 201620201514 U CN201620201514 U CN 201620201514U CN 205388152 U CN205388152 U CN 205388152U
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- spring
- axle sleeve
- rotating ring
- wall
- outward flange
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Abstract
The utility model discloses a special wet -type mechanical seal device of ball mill, it changes epaxial axle sleeve to locate including the cover, a fixed outward flange on this axle sleeve, and an outer flange joint inner flange forms sealed chamber between the inner wall of outward flange, inner flange and the outer wall of axle sleeve, be equipped with the quiet ring of second in proper order at sealed intracavity, second rotating ring, second spring, second spring holder, first spring holder, first spring, first quiet ring, throw -out collar, first rotating ring, being equipped with a plurality of continuous first indents that add along the axial on the outer wall of second spring holder, being equipped with a plurality of continuous first indents that add along the axial on the inner wall of outward flange, the second adds the indent and is formed with the clearance of pressurizeing between the indent with first adding, first spring holder is constituteed by the spring fixed part and by the water conservancy diversion arm of spring fixed part one side extension. The utility model discloses a water conservancy diversion of water conservancy diversion arm acts on and adds the circulation pressurization of indent for this sealing device has fine sealed effect.
Description
Technical field
This utility model relates to sealing device, particularly relates to a kind of special wet type mechanically-sealing apparatus of ball mill.
Background technology
Do not install in mechanical seal situation at ball mill, ball mill entrance ubiquity leakage phenomenon, this not only affects the life-span of block bearing, and multiple troublesome problem can be caused, for eliminating this defect, at present, the commonly used packing seal of domestic and international most of producers or rubber seal seal.Packing seal is divided into two kinds by material difference: one is to seal with oil immersion asbestos packing, and another kind is to use teflon seal；Rubber seal seals and actually refers to outside framework oil seal, is divided into interior bag outside framework oil seal and exposed framework oil seal.It is there is the leakage of serosity and water that packing seal and rubber parts seal common shortcoming, is difficult to recycling, pollutes the environment.Being very easy to flow into bearing block from the serosity of sealing leakage, with post-etching bearing, produce serious consequence, cause big leakage, energy waste is inevitable.Additionally from life cycle, the packing seal life-span is too short, changes also difficulty, can not meet instructions for use.The shortcoming of outside framework oil seal is that rubber easily corrodes, and life cycle is short, and specification can not be synchronize with GB oil sealing, belongs to non-standard component, needs special tailor-made, and procurement cycle is long.
Utility model content
For Problems existing in background technology, this utility model purpose is to provide a kind of special wet type mechanically-sealing apparatus of ball mill.
For realizing technical purpose, this utility model adopts the following technical scheme that and is achieved.
A kind of special wet type mechanically-sealing apparatus of ball mill, including the axle sleeve being sheathed in rotating shaft, this axle sleeve extends to atmosphere end from media end, axle sleeve fixes an outward flange near one end of atmosphere end by stop pin, outward flange connects an inner flange side by side by securing member, the inwall of outward flange, forms annular seal space between inwall and the outer wall of axle sleeve of inner flange, in annular seal space, direction from left to right is sequentially provided with the second stationary ring, second rotating ring, second spring, the second spring base, the first spring base, first spring, throw-out collar, the first stationary ring, the first rotating ring；Second stationary ring is fixed on outward flange, and the first rotating ring is fixed on axle sleeve by securing member；The outer wall of the second spring base is provided with multiple continuous print the second pressurized tank vertically, the inwall of outward flange is provided with multiple continuous print the first pressurized tank vertically, between the first pressurized tank external diameter and the second pressurized tank, is formed with press nip；First spring base is made up of spring fixing portion and the water conservancy diversion arm that extended by spring fixing portion side, and water conservancy diversion arm is extended near the side of axle sleeve by spring fixing portion and forms, and end and first rotating ring of water conservancy diversion arm are oppositely arranged, between the two across gap.
As preferably, the second pressurized tank is contrary with the direction of rotation of the first pressurized tank.
As preferably, the lateral wall of inner flange is connected to locating piece, the outer wall of locating piece connecting bushing by securing member.
As preferably, the lateral wall of the second spring base extends a location division to the left, location division coordinates with the second rotating ring, location division includes the first horizontal segment directly extended by the sidewall of the second spring, the second bending segment extended by the first horizontal segment, the second horizontal segment extended by the second bending segment, the second horizontal segment and the second rotating ring coordinate.
The beneficial effects of the utility model are: this utility model is by the relative motion of the first rotating ring and the first stationary ring sealing surface, and second relative motion of rotating ring and the second stationary ring sealing surface, can effectively automatically compensate, realize good mechanical seal, when being installed in rotating shaft, can prevent fluid from leaking；And the circulation of the sealing liquid of mechanical seal first passes through the lateral wall of water conservancy diversion arm and forces the inner radius of the first stationary ring of media end and the first rotating ring importing temperature drift, atmosphere end is returned to again by the medial wall of water conservancy diversion arm, circulation through the first pressurized tank and the second pressurized tank is pressurizeed, make sealing energy comprehensively circulation temperature lowering, take away heat；By the guide functions of water conservancy diversion arm, and the circulation pressurization of pressurized tank so that this sealing device has good sealing effectiveness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing at X place in Fig. 1.
In figure: rotating shaft 1；Axle sleeve 2；Stop pin 3；Outward flange 4；Inner flange 5；Insulating liquid outlet 6；Insulating liquid entrance 7；Locating piece 8；Second stationary ring 9；Second rotating ring 10；Second spring 11；Second spring base 12；Throw-out collar 13；First spring 14；First spring base 15；First stationary ring 16；First rotating ring 17；First pressurized tank 18；Second pressurized tank 19；Press nip 20；Location division 21；First horizontal segment 22；Second bending segment 23；Second horizontal segment 24；Spring fixing portion 25；Water conservancy diversion arm 26.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figures 1 and 2, a kind of special wet type mechanically-sealing apparatus of ball mill of the present utility model, including the axle sleeve 2 being sheathed in rotating shaft 1, this axle sleeve 2 extends to atmosphere end from media end, axle sleeve 2 fixes an outward flange 4 near one end of atmosphere end by stop pin 3, outward flange 4 connects an inner flange 5 side by side by securing member, the inwall of outward flange 4, annular seal space is formed between inwall and the outer wall of axle sleeve 2 of inner flange 5, offering the insulating liquid outlet 6 connected with annular seal space on outward flange 4, inner flange 5 is provided with the insulating liquid entrance 7 connected with annular seal space.The lateral wall of inner flange 5 is connected to locating piece 8, the outer wall of locating piece 8 connecting bushing 2 by securing member.
In annular seal space, direction from left to right is sequentially provided with the second stationary ring 9, the second rotating ring 10, the second spring 11, the second spring base 12, the first spring base 15, the first spring 14, throw-out collar 13, the first stationary ring 16, the first rotating ring 17；Second stationary ring 9 is fixed on outward flange 4, and the first rotating ring 17 is fixed on axle sleeve 2 by securing member.
The outer wall of the second spring base 12 is provided with multiple continuous print the second pressurized tank 19 vertically, the inwall of outward flange 4 is provided with multiple continuous print the first pressurized tank 18 vertically, second pressurized tank 19 is contrary with the direction of rotation of the first pressurized tank 18, is formed with press nip 20 between the second pressurized tank 19 and the first pressurized tank 18.
The lateral wall of the second spring base 12 extends a location division 21 to the left, location division 21 coordinates with the second rotating ring 10, location division 21 includes the first horizontal segment 22 directly extended by the second spring 11 sidewall, the second bending segment 23 extended by the first horizontal segment 22, the second horizontal segment 24 extended by the second bending segment 23, the second horizontal segment 24 coordinates with the second rotating ring 10.
The first spring base 15 water conservancy diversion arm 26 by spring fixing portion 25 and by the extension of spring fixing portion 25 side forms, by the first spring base 15, near the side of axle sleeve 2, extension forms spring fixing portion 25, end and first rotating ring 17 of water conservancy diversion arm 26 are oppositely arranged, between the two across gap；Between medial wall and the lateral wall of described axle sleeve 2 of water conservancy diversion arm 26, there is gap, between lateral wall and the medial wall of described first stationary ring 16 of flow guide sleeve 26, there is gap.
Obviously, this utility model can be carried out various change and modification without deviating from spirit and scope of the present utility model by those skilled in the art.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (4)
1. the special wet type mechanically-sealing apparatus of ball mill, it is characterized in that: include the axle sleeve being sheathed in rotating shaft, this axle sleeve extends to atmosphere end from media end, axle sleeve fixes an outward flange near one end of atmosphere end by stop pin, outward flange connects an inner flange side by side by securing member, the inwall of outward flange, annular seal space is formed between inwall and the outer wall of axle sleeve of inner flange, in annular seal space, direction from left to right is sequentially provided with the second stationary ring, second rotating ring, second spring, second spring base, first spring base, first spring, throw-out collar, first stationary ring, first rotating ring；Second stationary ring is fixed on outward flange, and the first rotating ring is fixed on axle sleeve by securing member；The outer wall of the second spring base is provided with multiple continuous print the second pressurized tank vertically, the inwall of outward flange is provided with multiple continuous print the first pressurized tank vertically, between the first pressurized tank external diameter and the second pressurized tank, is formed with press nip；First spring base is made up of spring fixing portion and the water conservancy diversion arm that extended by spring fixing portion side, and water conservancy diversion arm is extended near the side of axle sleeve by spring fixing portion and forms, and end and first rotating ring of water conservancy diversion arm are oppositely arranged, between the two across gap.
2. the special wet type mechanically-sealing apparatus of ball mill according to claim 1, it is characterised in that: the second pressurized tank is contrary with the direction of rotation of the first pressurized tank.
3. the special wet type mechanically-sealing apparatus of ball mill according to claim 1, it is characterised in that: the lateral wall of inner flange is connected to locating piece, the outer wall of locating piece connecting bushing by securing member.
4. the special wet type mechanically-sealing apparatus of ball mill according to claim 1, it is characterized in that: the lateral wall of the second spring base extends a location division to the left, location division coordinates with the second rotating ring, location division includes the first horizontal segment directly extended by the second spring sidewall, the second bending segment extended by the first horizontal segment, the second horizontal segment extended by the second bending segment, the second horizontal segment and the second rotating ring coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620201514.8U CN205388152U (en) | 2016-03-16 | 2016-03-16 | Special wet -type mechanical seal device of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620201514.8U CN205388152U (en) | 2016-03-16 | 2016-03-16 | Special wet -type mechanical seal device of ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205388152U true CN205388152U (en) | 2016-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620201514.8U Active CN205388152U (en) | 2016-03-16 | 2016-03-16 | Special wet -type mechanical seal device of ball mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN205388152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523708A (en) * | 2016-12-02 | 2017-03-22 | 南京航空航天大学 | Polytetrafluoroethylene contact type sealing device |
-
2016
- 2016-03-16 CN CN201620201514.8U patent/CN205388152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523708A (en) * | 2016-12-02 | 2017-03-22 | 南京航空航天大学 | Polytetrafluoroethylene contact type sealing device |
| CN106523708B (en) * | 2016-12-02 | 2018-03-02 | 南京航空航天大学 | A kind of polytetrafluoroethylene (PTFE) contact type sealing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |