CN206904243U - A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid - Google Patents
A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid Download PDFInfo
- Publication number
- CN206904243U CN206904243U CN201720537100.7U CN201720537100U CN206904243U CN 206904243 U CN206904243 U CN 206904243U CN 201720537100 U CN201720537100 U CN 201720537100U CN 206904243 U CN206904243 U CN 206904243U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- pedestal
- taper roll
- wall
- Prior art date
- 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.)
- Active
Links
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model discloses a kind of crucible of single crystal furnace lifting device for sealing magnetic fluid, aim to solve the problem that device for sealing magnetic fluid power transmission shaft and the inconvenience of crucible axis connection, dust easily enters in gap between power transmission shaft and pedestal, and the bad deficiency of bearing capacity of power transmission shaft.The utility model includes power transmission shaft, the pedestal being socketed in outside power transmission shaft, power transmission shaft is cylindrical in shape hollow structure, it is close in pedestal to be mounted on taper roll bearing between rear and front end and power transmission shaft outer wall, dust ring is mounted between pedestal rear and front end and power transmission shaft outer wall, magnet fluid sealing component is installed between the taper roll bearing and dust ring of pedestal front end, being abutted in pedestal between two taper roll bearings has abutment sleeve, positive stop lug boss is provided with power transmission shaft outer wall between magnet fluid sealing component and taper roll bearing, the taper roll bearing in front is connected on positive stop lug boss.
Description
Technical field
A kind of sealing device is the utility model is related to, more specifically, it relates to a kind of crucible of single crystal furnace lifting magnetic current
Body sealing device.
Background technology
Device for sealing magnetic fluid is typically made up of not magnetic conductance seat, bearing, magnetic pole, permanent magnet, magnetic conductive axis, magnetic fluid,
In the presence of uniform steady magnetic field, magnetic fluid is set to riddle in the space of setting, it is established that multistage " O-ring seal ", so as to reach
To the effect of sealing.But the power transmission shaft of many magnetic fluid sealing structures and the inconvenience of crucible axis connection at present, dust, which easily enters, to be passed
In gap between moving axis and pedestal, and the bearing capacity deficiency of power transmission shaft.
Utility model content
The utility model overcomes device for sealing magnetic fluid power transmission shaft and the inconvenience of crucible axis connection, and dust easily enters power transmission shaft
In gap between pedestal, and the bad deficiency of bearing capacity of power transmission shaft, there is provided a kind of crucible of single crystal furnace lifting is used
Device for sealing magnetic fluid, power transmission shaft is easy to connect with crucible axis, and dust is not easily accessible in the gap between power transmission shaft and pedestal, and
And the bearing capacity of power transmission shaft is good.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of crucible of single crystal furnace lifting is used
Device for sealing magnetic fluid, including power transmission shaft, the pedestal that is socketed in outside power transmission shaft, power transmission shaft are cylindrical in shape hollow structure, leaned in pedestal
Taper roll bearing is closely mounted between rear and front end and power transmission shaft outer wall, between pedestal rear and front end and power transmission shaft outer wall
Dust ring is installed, magnet fluid sealing component is installed between the taper roll bearing and dust ring of pedestal front end, two in pedestal
Being abutted between taper roll bearing has abutment sleeve, is set on power transmission shaft outer wall between magnet fluid sealing component and taper roll bearing
Limited location boss, the taper roll bearing in front are connected on positive stop lug boss, and pedestal rear end is connected with end cap, on power transmission shaft outer wall
Restraining position ring block is fastenedly connected between end cap and the taper roll bearing at rear, the taper roll bearing at rear is connected to spacing ring
On.
Power transmission shaft is hollow structure, is easy to holding crucible axis to be attached, is rotated together with so as to realize with crucible axis, and
It is easy to load water cooling plant, reduces the bulk temperature of device for sealing magnetic fluid, prevent magnetic fluid from failing.In crucible of single crystal furnace room,
With the presence of a large amount of dust, the dust ring that both ends are set serves good dustproof effect, prevents dust from entering power transmission shaft and pedestal
Between gap in.Two taper roll bearings are installed between pedestal and power transmission shaft, substantially increase the bearing capacity of power transmission shaft,
Abutment sleeve, positive stop lug boss, end cap, spacing ring serve good positioning action to taper roll bearing, prevent bearing from occurring
Axial movement.The power transmission shaft of this crucible of single crystal furnace lifting device for sealing magnetic fluid is easy to connect with crucible axis, and dust is not easy
Into in the gap between power transmission shaft and pedestal, and the bearing capacity of power transmission shaft is good.
Preferably, the base internal wall between magnet fluid sealing component and taper roll bearing is in step-like structure, pedestal
The inwall step-like structure position is provided with spacer ring, and spacer ring front end is connected on magnet fluid sealing component, and spacer ring rear end is connected to
On taper roll bearing.Spacer ring serves very together with closely being abutted with the outer ring of taper roll bearing to taper roll bearing
Good positioning action, while spacer ring serves the effect of positioning to magnet fluid sealing component again.
Preferably, magnet fluid sealing component includes magnetic fluid, permanent magnet and the magnetic pole for being arranged on permanent magnet both sides, magnetic current
Body is arranged between magnetic pole and power transmission shaft outer wall, and magnetic pole outer wall is closely connected with base internal wall.During drive axis
Magnetic fluid forms the sealing ring of a circle liquid, good sealing effect between magnetic pole and power transmission shaft outer wall in the presence of magnetic field.
Preferably, it is fastenedly connected with retaining ring on transmission shaft rear end outer wall.Retaining ring is easy to the connection of power transmission shaft.
Compared with prior art, the beneficial effects of the utility model are：Crucible of single crystal furnace lifting device for sealing magnetic fluid
Power transmission shaft and crucible axis it is easy to connect, dust is not easily accessible in the gap between power transmission shaft and pedestal, and power transmission shaft is held
Loading capability is good.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
In figure：1st, power transmission shaft, 2, pedestal, 3, taper roll bearing, 4, dust ring, 5, magnet fluid sealing component, 6, positioning
Sleeve, 7, positive stop lug boss, 8, spacing ring, 9, spacer ring, 10, magnetic fluid, 11, permanent magnet, 12, magnetic pole, 13, retaining ring.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically to retouch
State：
Embodiment：A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid（Referring to accompanying drawing 1）, including power transmission shaft 1, socket
Pedestal 2 outside power transmission shaft, power transmission shaft are cylindrical in shape hollow structure, close to pacifying between rear and front end and power transmission shaft outer wall in pedestal
Equipped with taper roll bearing 3, dust ring 4 is mounted between pedestal rear and front end and power transmission shaft outer wall, dust ring is by fluorubber
It is process, magnet fluid sealing component 5 is installed between the taper roll bearing and dust ring of pedestal front end, two circular cones in pedestal
Being abutted between roller bearing has abutment sleeve 6, and abutment sleeve is connected on taper roll bearing cycle surface, on power transmission shaft outer wall
Positive stop lug boss 7 is provided between magnet fluid sealing component and taper roll bearing, the tapered roller bearing internal ring end face in front abuts
On positive stop lug boss, pedestal rear end is connected with end cap, is fastened between power transmission shaft outer wall upper end cover and the taper roll bearing at rear
Restraining position ring block 8 is connected, the tapered roller bearing internal ring end face at rear is connected on spacing ring.Magnet fluid sealing component and circular cone rolling
Base internal wall between sub- bearing is in step-like structure, and the base internal wall step-like structure position is provided with spacer ring 9, spacer ring section
L-shaped structure, spacer ring front end are connected on magnet fluid sealing component, and spacer ring rear end is connected to taper roll bearing cycle surface
On.Magnet fluid sealing component includes magnetic fluid 10, permanent magnet 11 and the magnetic pole 12 for being arranged on permanent magnet both sides, and magnetic fluid is arranged on
Between magnetic pole and power transmission shaft outer wall, magnetic pole outer wall is closely connected with base internal wall.Lock is fastenedly connected with transmission shaft rear end outer wall
Tight ring 13.Between retaining ring and power transmission shaft locking is attached by several lock-screws being uniformly arranged.
Power transmission shaft is hollow structure, is easy to holding crucible axis to be attached, is rotated together with so as to realize with crucible axis, and
It is easy to load water cooling plant, reduces the bulk temperature of device for sealing magnetic fluid, prevent magnetic fluid from failing.In crucible of single crystal furnace room,
With the presence of a large amount of dust, the dust ring that both ends are set serves good dustproof effect, prevents dust from entering power transmission shaft and pedestal
Between gap in.Two taper roll bearings are installed between pedestal and power transmission shaft, substantially increase the bearing capacity of power transmission shaft,
Abutment sleeve, positive stop lug boss, end cap, spacing ring serve good positioning action to taper roll bearing, prevent bearing from occurring
Axial movement.The power transmission shaft of this crucible of single crystal furnace lifting device for sealing magnetic fluid is easy to connect with crucible axis, and dust is not easy
Into in the gap between power transmission shaft and pedestal, and the bearing capacity of power transmission shaft is good.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (4)
1. a kind of crucible of single crystal furnace lifting device for sealing magnetic fluid, it is characterized in that, including power transmission shaft, be socketed in outside power transmission shaft
Pedestal, power transmission shaft are cylindrical in shape hollow structure, close to being mounted on taper roller between rear and front end and power transmission shaft outer wall in pedestal
Bearing, is mounted on dust ring between pedestal rear and front end and power transmission shaft outer wall, the taper roll bearing of pedestal front end and dust-proof
Magnet fluid sealing component is installed, being abutted in pedestal between two taper roll bearings has abutment sleeve, power transmission shaft outer wall between circle
Positive stop lug boss is provided between upper magnet fluid sealing component and taper roll bearing, the taper roll bearing in front is connected to limit convex
On platform, pedestal rear end is connected with end cap, is fastenedly connected between power transmission shaft outer wall upper end cover and the taper roll bearing at rear limited
Position ring, the taper roll bearing at rear are connected on spacing ring.
2. a kind of crucible of single crystal furnace lifting device for sealing magnetic fluid according to claim 1, it is characterized in that, magnetic fluid is close
Base internal wall between sealing assembly and taper roll bearing is in step-like structure, and the base internal wall step-like structure position is provided with
Spacer ring, spacer ring front end are connected on magnet fluid sealing component, and spacer ring rear end is connected on taper roll bearing.
3. a kind of crucible of single crystal furnace lifting device for sealing magnetic fluid according to claim 1, it is characterized in that, magnetic fluid is close
Sealing assembly includes magnetic fluid, permanent magnet and the magnetic pole for being arranged on permanent magnet both sides, and magnetic fluid is arranged on magnetic pole and power transmission shaft outer wall
Between, magnetic pole outer wall is closely connected with base internal wall.
4. a kind of crucible of single crystal furnace lifting device for sealing magnetic fluid according to claim 1 or 2 or 3, it is characterized in that, pass
Retaining ring is fastenedly connected with the outer wall of moving axis rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537100.7U CN206904243U (en) | 2017-05-15 | 2017-05-15 | A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537100.7U CN206904243U (en) | 2017-05-15 | 2017-05-15 | A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904243U true CN206904243U (en) | 2018-01-19 |
Family
ID=61288825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720537100.7U Active CN206904243U (en) | 2017-05-15 | 2017-05-15 | A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963545A (en) * | 2021-03-19 | 2021-06-15 | 清华大学 | Magnetic liquid sealing device and assembling method thereof |
-
2017
- 2017-05-15 CN CN201720537100.7U patent/CN206904243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963545A (en) * | 2021-03-19 | 2021-06-15 | 清华大学 | Magnetic liquid sealing device and assembling method thereof |
| CN112963545B (en) * | 2021-03-19 | 2022-02-25 | 清华大学 | Magnetic liquid sealing device and assembling method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109595345B (en) | Magnetic liquid sealing device with function of preventing non-magnetic substance from pollution | |
| CN206904243U (en) | A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid | |
| US10145614B2 (en) | Furnace door sealing device for low-pressure diffusion furnace | |
| CN202091517U (en) | Improved structure of magnetic fluid sealing device | |
| CN202840783U (en) | Idle speed motor capable of preventing rotor from axial floating | |
| CN208057696U (en) | A kind of negative clearance roller pivoting support | |
| CN104248928B (en) | Outer stirring-type fluorescent material rabbling mechanism | |
| CN214544073U (en) | Magnetic coupling driver | |
| CN203758279U (en) | High-power electric heating furnace | |
| CN209638240U (en) | It is a kind of health, without friction-stir magnetic thrust intermediate bearing | |
| CN203532308U (en) | Bearing body used for low pressure safety-injection pump | |
| CN205747927U (en) | The star-like discharging sealing device of large-scale batch mixing formula mechanical shaft kiln kiln bottom | |
| CN205979892U (en) | Installation of multistage regulator structure for gas furnace switch | |
| CN207687196U (en) | A kind of bearing of high leakproofness | |
| CN206379802U (en) | A kind of fastening type electric motor end cap | |
| CN206246424U (en) | A kind of chilled water pump of nuclear power station | |
| CN207961512U (en) | A kind of gravity oiling lid sealing structure | |
| CN221824460U (en) | Pot magnetic fluid structure that changes | |
| WO2020150967A1 (en) | Magnetic liquid sealing device having function of preventing non-magnetic substance pollution | |
| CN213419882U (en) | Rotating shaft sealing device with water cooling function for high vacuum | |
| CN204004021U (en) | A kind of pre-pressing structure of ball electric mainshaft bearing | |
| CN203430988U (en) | Cylindrical roller bearing | |
| CN213541282U (en) | Sealing mechanism for lower bearing device of main shaft of pulverizer | |
| CN206807192U (en) | A kind of liquid slip ring | |
| CN203604246U (en) | Internally-arranged water cooling shaft seal structure of vertical type centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |