CN109027235A - A kind of flying dust agitator shaft end combined seal - Google Patents
A kind of flying dust agitator shaft end combined seal Download PDFInfo
- Publication number
- CN109027235A CN109027235A CN201811241070.0A CN201811241070A CN109027235A CN 109027235 A CN109027235 A CN 109027235A CN 201811241070 A CN201811241070 A CN 201811241070A CN 109027235 A CN109027235 A CN 109027235A
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- China
- Prior art keywords
- support frame
- main shaft
- ring
- chamber
- sealing
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The present invention relates to a kind of flying dust agitator shaft end combined seals, including the support frame being set on blender main shaft, boss, seal assembly, spring bearing, rear cover, the outer wall of supporting framing front end and blender is tightly connected, rear end and rear cover are tightly connected, boss is set between main shaft and outer wall and fixes with supporting framing front end, boss, support frame front, ante-chamber is formed between main shaft, in the middle part of support frame, cavity is formed between main shaft, rear cover, support frame rear portion, tail chamber is formed between main shaft, seal assembly is installed in ante-chamber and seals the gap between main shaft and support frame, it is intracavitary that spring bearing is installed on tail, slurry discharging hole is offered on support frame, slurry discharging hole is connected to the leakage recovery unit outside cavity and support frame.Advantage is: sealing structure is stablized, and spillage is effectively avoided；It alarms equipped with spillage, it can be in spillage and alarm；After seal failure, the elastic compensating amount of sealing ring can be increased by stretching screw, prolonged its service life.
Description
Technical field
The present invention relates to a kind of axle envelope, especially a kind of flying dust agitator shaft end combined seal.
Background technique
Flying dust blender be it is a kind of generally apply to flyash curing, the flying dust agitating device in stabilization process, use original
Reason is that drive stirring blade to carry out flying dust, chelate solution, cement inside blender etc. by the rotation of its main shaft mandatory
Mixing, so that flying dust is uniformly stirred in violent relative motion.
However, on the one hand: during stirring, flying dust of the mixed liquid object due to having mixed low-density has
Mobility is strong, seamless the characteristics of not entering；On the other hand: with adding up for blender main shaft working time, in shaft end seal part
Oil sealing pressure declines therewith, and after oil sealing pressure is less than the osmotic pressure of flying dust slurries, flying dust slurries are stirred by shaft clearance outflow
It mixes outside machine, or even after leaking at shaft clearance, solidifies due to lacking stirring, seriously affect the rotation of blender main shaft.With
Upper phenomenon is referred to as spillage phenomenon.
In the prior art, once spillage phenomenon occurs, shaft head seal part will be rapidly worn, and cause entire shaft end close
Therefore how the damage of seal structure avoids spillage phenomenon from having become one of the key element that flying dust blender uses.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems, the object of the present invention is to provide a kind of flying dust agitator shaft end combined seal, have
Effect avoids flying dust spillage phenomenon.
Technical solution: a kind of flying dust agitator shaft end combined seal, including support frame, the axis being set on blender main shaft
End flanges, seal assembly, spring bearing, rear cover, the outer wall of support frame as described above front end and the blender is tightly connected, rear end with
The rear cover is tightly connected, and the boss is set between the main shaft and outer wall and fixes with support frame as described above front end,
The boss, support frame front form ante-chamber between main shaft, form cavity in the middle part of support frame as described above, between main shaft, described
Rear cover, support frame rear portion form tail chamber between main shaft, the seal assembly be installed in the ante-chamber and the sealing main shaft with
Gap between support frame, it is intracavitary that the spring bearing is installed on the tail, and slurry discharging hole is offered on support frame as described above, described to let out
Slurry hole is connected to the leakage recovery unit outside the cavity and support frame as described above.
The principle of the present invention is: boss is set between main shaft and outer wall and fixes with supporting framing front end, can avoid
The direct erosion support frame of flying dust spillage, plays certain protective action.Boss, is formed between main shaft support frame front
In ante-chamber, the gap between boss and main shaft forms the first opening of ante-chamber, the gap between boss and support frame
The second opening of ante-chamber is formed, the gap between support frame and main shaft forms the outlet of ante-chamber.Under use state, flying dust spillage is such as
People is seeped in gap between boss and outer wall, on the one hand can be leaked out by the wall surface of outer wall, on the other hand can be passed through
Second opening penetrates into ante-chamber；After flying dust spillage is penetrated by the first opening, then ante-chamber is directly penetrated into.And work as flying dust spillage from shaft end
When clearance leakage between flange and outer wall, since support frame and outer wall are tightly connected, gap is sealed at this, i.e. flying dust spillage
It can not be leaked by the wall surface of outer wall；When flying dust spillage penetrates into ante-chamber from the second opening, the first opening, due to the outlet of ante-chamber
It is sealed by seal assembly, flying dust spillage can not be by ante-chamber from axis surface leakage.To sum up, this programme combination axial face seal and wall surface
The purpose of mortar leakage prevention is played in sealing.When seal assembly uses for a long time, axial face seal is due to abrasion and gradually after seal failure,
On the one hand spillage can be discharged outside support frame by slurry discharging hole by penetrating into cavity after ante-chamber, pass through support by flying dust spillage
Leakage recovery unit outside frame is recycled, while spillage being avoided further to corrode spring bearing；On the other hand, may be used
Using cavity and slurry discharging hole as spillage alarm mechanism, when generating spillage at this, that is, show that spillage phenomenon, seal assembly has occurred
It has been failed that, cleaning, replacement need to be shut down in time.
Further, the seal assembly includes sealing ring cover, Y-shaped ring, and the inner hole of support frame as described above front is stepped simultaneously
With first shaft shoulder, the sealing ring cover back-end is resisted against on first shaft shoulder, support frame as described above, sealing ring cover, shaft end method
Form ante-chamber one between blue, main shaft, the Y-shaped ring be installed in the ante-chamber one and seal the main shaft and support frame it
Between gap, ante-chamber divided by sealing ring cover, forms the ante-chamber being made of support frame, sealing ring cover, boss, main shaft
One, the entrance that ante-chamber is one is identical as the entrance of ante-chamber, exports between support frame and sealing ring cover, seals ring cover and main shaft
Between gap form first of axial face seal structure and since this is sealed by Y-shaped ring in gap at two.
Further, the seal assembly further includes sealing coil, and the sealing ring erection is placed in the ante-chamber one simultaneously
Described ante-chamber a part is segmented at least two separate spaces, is separately installed with the Y-shaped ring in each separate space, by ante-chamber one
Multiple separate spaces are divided into, and are sealed respectively by Y-shaped ring, multi-sealing structure is formd, so that lift-off seal performance, extends close
Seal the service life.
Further, the seal assembly further includes with the main shaft seal and with the anti-wear sleeve of main shaft rotation, institute
State sealing ring cover, Y-shaped ring is set on the anti-wear sleeve.Due to being movable sealing structure between Y-shaped ring and main shaft, occur opposite
Rotation, causes Y-shaped ring easy to wear, adds anti-wear sleeve and is conducive to improve its wear-resistant strength.
Further, the seal assembly further includes the float grease seal for being set to the sealing ring cover rear, support frame as described above
On also there is second shaft shoulder positioned at first shaft shoulder rear, the float grease seal includes O-ring, quiet floating sealing base, dynamic floating envelope
Seat, stationary ring, rotating ring, the stationary ring, rotating ring are set on the anti-wear sleeve and are formed sealing structure, and the quiet floating sealing base is fixed
In on second shaft shoulder, the dynamic floating sealing base is fixedly arranged on the anti-wear sleeve, and the dynamic floating sealing base, rotating ring are with described wear-resisting
Axle sleeve rotation, the dynamic floating sealing base and the sealing ring cover, support frame form running clearance, the O-ring between quiet floating sealing base
It is sheathed between the quiet floating sealing base and stationary ring, moves between floating sealing base and rotating ring to seal the running clearance, to utilize floating
Oil sealing forms second axial face seal structure.Meanwhile positioning for convenience of float grease seal and installation can by the quiet floating sealing base with
Support frame as described above setting is integrally formed, and the dynamic floating sealing base is integrally formed with anti-wear sleeve setting.
Further, the running clearance is in labyrinth-like, to form third road axial face seal structure using labyrinth seal.
Further, the seal assembly further includes packing circle, is also had after being located at second shaft shoulder on support frame as described above
The third shaft shoulder of side, the anti-wear sleeve rear end, support frame, form ante-chamber two between main shaft at the third shaft shoulder, the packing circle
Against the gap of the third shaft shoulder being installed in the ante-chamber two and between the sealing main shaft and support frame, ante-chamber two
Gap of the entrance in portion between anti-wear sleeve and support frame exports the gap between main shaft and support frame, and exports by disk
The sealing of root circle, forms the 4th axial face seal structure.
Further, the seal assembly further include be installed on the main shaft and with the main shaft rotate snap ring, it is described
Snap ring is set to the front end of the anti-wear sleeve, is connected between the snap ring and anti-wear sleeve by stretching screw, by micro
It adjusts the stretching screw and pushes the anti-wear sleeve backward to squeeze the packing circle and O-ring, increase the packing circle and O
The elastic compensating amount of type circle.With the rotation of main shaft, O-ring, packing circle are gradually worn out, and elastic compensating amount is gradually reduced, and are led
Cause the probability for generating spillage to be gradually increased, at this point, by rotation stretching screw, using snap ring as fulcrum by anti-wear sleeve to pusher,
O-ring and packing circle are squeezed simultaneously, increases its elastic compensating amount, to prolong its service life.
Further, the snap ring, anti-wear sleeve junction pass through yellow rubber sealing.When adjusting stretching screw, snap ring
Gap can be generated between anti-wear sleeve, setting yellow glue circle can effectively avoid mixed flying dust slurries and fall at this, and yellow
The elasticity of cushion rubber can also preferably adapt to expanding or shrinking for the gap.
Further, lead between the rear cover antetheca and main shaft, between tail chamber antetheca and main shaft, between cavity antetheca and main shaft
Skeleton oil seal is crossed, to form the 5th axial face seal structure.
The utility model has the advantages that compared with prior art, the invention has the advantages that with wall surface sealing structure fitted shaft surface seal structure
It is stirred the sealing of arbor gap, effectively avoids spillage；Mechanism of warning is detected provided with spillage, leakage can be generated in seal failure
Timely maintenance shut-downs when slurry；After seal failure, the elastic compensating amount of sealing ring can be increased by stretching screw, extend it and use the longevity
Life.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the enlarged diagram of location A in Fig. 1；
Fig. 3 is the structural schematic diagram of ante-chamber, cavity, tail chamber.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
A kind of flying dust agitator shaft end combined seal, as shown in Fig. 1, including the branch being set on blender main shaft 100
Support 1, boss 2, seal assembly 3, spring bearing 4, rear cover 5, outside framework oil seal 6.
As shown in Fig. 1, the outer wall 101 of 1 front end of support frame and blender is tightly connected, rear end and rear cover 5 are tightly connected,
In the present embodiment, static seal mode can be used and be connected and sealed, stationary seal ring such as is set in the junction of support frame and outer wall.
Boss 2 is set between main shaft 100 and outer wall 101 and fixes with 1 front end of support frame.
As shown in Fig. 3, boss 2,1 front of support frame, form ante-chamber 3-1 between main shaft 100,1 middle part of support frame,
Cavity 3-2 is formed between main shaft 100, rear cover 5,1 rear portion of support frame form tail chamber 3-3 between main shaft 100.5 antetheca of rear cover and master
It is sealed between axis 100, between tail chamber 3-2 antetheca and main shaft 100, between cavity 3-3 antetheca and main shaft 100 by outside framework oil seal 6.
Seal assembly 3 is installed in ante-chamber 3-1 and seals the gap between main shaft 100 and support frame 1, and spring bearing 4 is installed on tail chamber
In 3-3, slurry discharging hole 11 is offered on support frame 1, slurry discharging hole 11 is connected to the leakage recovery unit outside cavity 3-2 and support frame 1.
In the present embodiment, seal assembly 3 as shown in Fig. 1, preferably includes sealing ring cover 31, Y-shaped ring 32, sealing coil
33, anti-wear sleeve 34, float grease seal 35, packing circle 36, snap ring 37, yellow glue circle 38.
The inner hole of 1 front of support frame is stepped and has first shaft shoulder 12, the second axis positioned at first shaft shoulder, 12 rear
Shoulder 13, the third shaft shoulder 15 positioned at second shaft shoulder, 13 rear,
Sealing 3 rear end of ring cover is resisted against on first shaft shoulder 12, support frame 1, sealing ring cover 31, boss 2, between main shaft
One 3-11 of ante-chamber is formed, Y-shaped ring 32 is installed in one 3-11 of ante-chamber and seals the gap between main shaft 100 and support frame 1.
Sealing coil 33 is set in one 3-11 of ante-chamber and one 3-11 of ante-chamber is divided at least two separate spaces, divides in each separate space
Y-shaped ring 32 is not installed.
Anti-wear sleeve 34 and main shaft 100 are sealed and are rotated with main shaft 100, and sealing ring cover 31, Y-shaped ring 32 are set in wear-resisting shaft
On set 34.
Float grease seal 35 is set to sealing 31 rear of ring cover, and as shown in Fig. 2, float grease seal 35 includes O-ring 351, quiet
Floating sealing base 352, dynamic floating sealing base 353, stationary ring 354, rotating ring 355, stationary ring 354, rotating ring 355 are set on anti-wear sleeve 34 and are formed
Sealing structure, quiet floating sealing base 352 are fixedly arranged on second shaft shoulder 13, and dynamic floating sealing base 353 is fixedly arranged on anti-wear sleeve 34, move floating sealing base
353, rotating ring 355 is rotated with the anti-wear sleeve 34, move floating sealing base 353 and sealing ring cover 31, support frame 1, quiet floating sealing base 352 it
Between form running clearance 3-13, O-ring 351 is sheathed between quiet floating sealing base 352 and stationary ring 354, dynamic floating sealing base 353 and rotating ring
To seal the running clearance 3-13 between 355.In the present embodiment, quiet floating sealing base 352 is preferably integrally formed with support frame 1,
Dynamic floating sealing base 353 is preferably integrally formed with anti-wear sleeve 34, and running clearance 3-13 is in preferably labyrinth-like.
34 rear end of anti-wear sleeve, support frame 1, forms two 3-12 of ante-chamber, packing circle between main shaft 100 at the third shaft shoulder 15
36 rear and front end is born against on anti-wear sleeve 34, the third shaft shoulder 15, packing circle 36 be installed in two 3-12 of ante-chamber and
Seal the gap between main shaft 100 and support frame 1.
When the present embodiment is in use, the leak path one of flying dust spillage: from the gap between boss and outer wall to outer
Gap between wall and support frame is leaked along the wall surface of outer wall, and since support frame and outer wall are tightly connected, support frame and outer wall
Between gap sealed, i.e., at this leakage sealed.The leak path two of flying dust spillage are as follows: from boss and support frame it
Between gap or boss and main shaft between gap in ante-chamber one, then the rotation between support frame and anti-wear sleeve
Gap is flow at float grease seal, is flow in ante-chamber two by the gap between support frame and anti-wear sleeve, is finally led to again later
The gap crossed between support frame and main shaft is flow in cavity, and in the process, it is close that spillage first has to successively break through at least two layers of Y-shaped ring
At least five axial face seal structures such as envelope, running clearance labyrinth seal, float grease seal, the sealing of packing circle, reinforced seal can just be let out
At leakage to cavity.
Meanwhile the present embodiment has repairing structure: oil filler point 14 is offered on support frame 1, between the connection rotation of oil filler point 14
Recharging oil device outside gap 3-13 and support frame 1.By oil filler point for running clearance, float grease seal repairing, the oil that floats is kept
Oil pressure in envelope, and be conducive to form one layer of oil sealing film in running clearance, for avoiding spillage that there is good effect.
Later, even if spillage breaches at least five axial face seal structures, the spillage alarm of the present embodiment and adjusting knot
Structure may also function as certain interim anti-leak effect:
Spillage alarm structure: spillage is broken through to cavity, enters leakage recovery unit by the slurry discharging hole being connected to cavity
It is interior, if generated spillage in leakage recovery unit, then illustrates seal failure, need maintenance shut-downs.
Adjustment structure: snap ring 37 is set to 34 front end of anti-wear sleeve and fixes with main shaft 100 and rotate with main shaft 100, card
It is connected between ring 37 and anti-wear sleeve 34 by stretching screw, when spillage alarm, shuts down, spiral shell is then tensed by trace regulation
Bar pushes anti-wear sleeve 34 backward to squeeze packing circle 36 and O-ring 351, increases the elastic compensating of packing circle 36 and O-ring 351
Amount, to be formed in the form of odd-job.Meanwhile to avoid flying dust spillage from entering the gap location between snap ring and anti-wear sleeve, snap ring
37, the junction of anti-wear sleeve 34 is sealed by yellow glue circle 38.
To sum up, the present embodiment is stirred the sealing of arbor gap with wall surface sealing structure cooperation at least axial face seal structure,
Effectively avoid spillage；Float grease seal internal oil pressure is supplemented by repairing mechanism, and forms oil sealing film at running clearance, further
Avoid spillage；By the cooperation of spillage alarm and regulating mechanism, can be found in time when generating spillage, and pass through in seal failure
The elastic compensating amount that stretching screw increases O-ring and packing circle is adjusted, reaches the working condition of interim anti-leak, avoids bigger
Loss.
Claims (10)
1. a kind of flying dust agitator shaft end combined seal, it is characterised in that: including the support frame being set on blender main shaft
(1), boss (2), seal assembly (3), spring bearing (4), rear cover (5), support frame as described above (1) front end and the blender
Outer wall be tightly connected, rear end and the rear cover (5) are tightly connected, the boss (2) is set to the main shaft and outer wall
Between and fix with support frame as described above (1) front end, the boss (2), support frame (1) front form ante-chamber between main shaft
(3-1) forms cavity (3-2) between support frame as described above (1) middle part, main shaft, the rear cover (5), support frame (1) rear portion, main shaft
Between form tail chamber (3-3), the seal assembly (3) is installed in the ante-chamber (3-1) and the sealing main shaft and support frame
(1) gap between, the spring bearing (4) are installed in the tail chamber (3-3), offer on support frame as described above (1) and let out slurry
Hole (11), the slurry discharging hole (11) are connected to the leakage recovery unit of the cavity (3-2) and support frame as described above (1) outside.
2. a kind of flying dust agitator shaft end combined seal according to claim 1, it is characterised in that: the seal assembly
It (3) include sealing ring cover (31), Y-shaped ring (32), the inner hole of support frame as described above (1) front is stepped and has first shaft shoulder
(12), sealing ring cover (3) rear end is resisted against on first shaft shoulder (12), support frame as described above (1), sealing ring cover (31),
Ante-chamber one (3-11) is formed between boss (2), main shaft, the Y-shaped ring (32) is installed on the ante-chamber one (3-11)
Gap interior and between the sealing main shaft and support frame (1).
3. a kind of flying dust agitator shaft end combined seal according to claim 2, it is characterised in that: the seal assembly
It (3) further include sealing coil (33), it is interior and by the ante-chamber that the sealing coil (33) is set to the ante-chamber one (3-11)
One (3-11) is divided at least two separate spaces, and the Y-shaped ring (32) are separately installed in each separate space.
4. a kind of flying dust agitator shaft end combined seal according to claim 2, it is characterised in that: the seal assembly
It (3) further include with the main shaft seal and with the anti-wear sleeve (34) of main shaft rotation, the sealing ring cover (31), Y-shaped ring
(32) it is set on the anti-wear sleeve (34).
5. a kind of flying dust agitator shaft end combined seal according to claim 4, it is characterised in that: the seal assembly
(3) further include the float grease seal (35) for being set to described sealing ring cover (31) rear, also have on support frame as described above (1) and be located at institute
Second shaft shoulder (13) at first shaft shoulder (12) rear is stated, the float grease seal (35) includes O-ring (351), quiet floating sealing base
(352), floating sealing base (353), stationary ring (354), rotating ring (355) are moved, the stationary ring (354), rotating ring (355) are set in described wear-resisting
On axle sleeve (34) and sealing structure is formed, the quiet floating sealing base (352) is fixedly arranged on second shaft shoulder (13), the dynamic floating envelope
Seat (353) is fixedly arranged on the anti-wear sleeve (34), and the dynamic floating sealing base (353), rotating ring (355) are with the anti-wear sleeve (34)
Rotation, the dynamic floating sealing base (353) and the sealing ring cover (31), support frame (1), formation rotation between quiet floating sealing base (352)
Gap (3-13), the O-ring (351) are sheathed between the quiet floating sealing base (352) and stationary ring (354), move floating sealing base (353)
To seal the running clearance (3-13) between rotating ring (355).
6. a kind of flying dust agitator shaft end combined seal according to claim 5, it is characterised in that: the running clearance
(3-13) is in labyrinth-like.
7. a kind of flying dust agitator shaft end combined seal according to claim 5, it is characterised in that: the seal assembly
(3) further include packing circle (36), also there is the third shaft shoulder positioned at second shaft shoulder (13) rear on support frame as described above (1)
(15), anti-wear sleeve (34) rear end, the third shaft shoulder (15), support frame (1), ante-chamber two (3-12) is formed between main shaft,
The packing circle (36) against the third shaft shoulder (15) be installed in the ante-chamber two (3-12) and the sealing main shaft
With the gap between support frame (1).
8. a kind of flying dust agitator shaft end combined seal according to claim 7, it is characterised in that: the seal assembly
(3) further include be installed on the main shaft and with the main shaft rotate snap ring (37), the snap ring (37) is set to described resistance to
The front end of mill axle sleeve (34) is connected by stretching screw between the snap ring (37) and anti-wear sleeve (34), passes through trace regulation
The stretching screw pushes the anti-wear sleeve (34) to squeeze the packing circle (36) and O-ring (351), described in increase backward
The elastic compensating amount of packing circle (36) and O-ring (351).
9. a kind of flying dust agitator shaft end combined seal according to claim 8, it is characterised in that: the snap ring (37),
The junction of anti-wear sleeve (34) is sealed by yellow glue circle (38).
10. -11 any a kind of flying dust agitator shaft end combined seal according to claim 1, it is characterised in that: after described
It is oily by skeleton between antetheca and main shaft to cover (5) between antetheca and main shaft, tail chamber (3-2) between antetheca and main shaft, cavity (3-3)
Seal (6) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241070.0A CN109027235B (en) | 2018-10-24 | 2018-10-24 | Shaft end composite oil seal of fly ash stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241070.0A CN109027235B (en) | 2018-10-24 | 2018-10-24 | Shaft end composite oil seal of fly ash stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027235A true CN109027235A (en) | 2018-12-18 |
| CN109027235B CN109027235B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811241070.0A Active CN109027235B (en) | 2018-10-24 | 2018-10-24 | Shaft end composite oil seal of fly ash stirrer |
Country Status (1)
| Country | Link |
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| CN (1) | CN109027235B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677865A (en) * | 2020-06-12 | 2020-09-18 | 东台市岳东橡胶密封件厂 | Micro-motion type sealing element |
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| CN103032572A (en) * | 2012-12-29 | 2013-04-10 | 长安大学 | Shaft end sealing device for double-horizontal-shaft concrete stirrer |
| CN204327981U (en) * | 2014-12-19 | 2015-05-13 | 郑州市荥阳鹏飞实业有限公司 | A kind of shaft end seal device and use the stirrer of this device |
| CN206617584U (en) * | 2017-03-17 | 2017-11-07 | 湖北晨风轨道装备股份有限公司 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
| CN207290479U (en) * | 2017-10-18 | 2018-05-01 | 青岛科尼乐机械设备有限公司 | The axle end sealing device of mixer main shaft |
| CN209054085U (en) * | 2018-10-24 | 2019-07-02 | 江苏西玛环境科技有限公司 | A kind of flying dust agitator shaft end combined seal |
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2018
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| CN2720149Y (en) * | 2004-08-30 | 2005-08-24 | 长沙中联重工科技发展股份有限公司 | Agitating sealing device for concrete delivering pump |
| CN201201305Y (en) * | 2008-04-25 | 2009-03-04 | 徐州海伦哲专用车辆有限公司 | Concrete mixer axle end structure |
| CN201446625U (en) * | 2009-09-06 | 2010-05-05 | 徐州博汇吉瓦斯混凝土机械制造有限公司 | Shaft head sealing device of concrete mixer |
| CN102840331A (en) * | 2012-09-21 | 2012-12-26 | 长安大学 | Shaft end sealing device for horizontal-shaft concrete mixer |
| CN103032572A (en) * | 2012-12-29 | 2013-04-10 | 长安大学 | Shaft end sealing device for double-horizontal-shaft concrete stirrer |
| CN204327981U (en) * | 2014-12-19 | 2015-05-13 | 郑州市荥阳鹏飞实业有限公司 | A kind of shaft end seal device and use the stirrer of this device |
| CN206617584U (en) * | 2017-03-17 | 2017-11-07 | 湖北晨风轨道装备股份有限公司 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
| CN207290479U (en) * | 2017-10-18 | 2018-05-01 | 青岛科尼乐机械设备有限公司 | The axle end sealing device of mixer main shaft |
| CN209054085U (en) * | 2018-10-24 | 2019-07-02 | 江苏西玛环境科技有限公司 | A kind of flying dust agitator shaft end combined seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677865A (en) * | 2020-06-12 | 2020-09-18 | 东台市岳东橡胶密封件厂 | Micro-motion type sealing element |
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| Publication number | Publication date |
|---|---|
| CN109027235B (en) | 2023-07-25 |
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