CN2733731Y - Magnetic transmission device with bearing under protection - Google Patents
Magnetic transmission device with bearing under protection Download PDFInfo
- Publication number
- CN2733731Y CN2733731Y CN 200420096250 CN200420096250U CN2733731Y CN 2733731 Y CN2733731 Y CN 2733731Y CN 200420096250 CN200420096250 CN 200420096250 CN 200420096250 U CN200420096250 U CN 200420096250U CN 2733731 Y CN2733731 Y CN 2733731Y
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- Prior art keywords
- bearing
- drive device
- magnetic drive
- retainer
- mentioned
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a magnetic transmission device with bearing under protection. The isolation hood of the magnetic transmission device with bearing under protection is provided with balance holes which are communicated with the N2 or provided with unreactive gas. The shaft seal adopts the mechanical seal. The bearing adopts the grease lubrication with strong chemical unreactiveness to lengthen the service life of the bearing. The grease comprises the chlorofluorocarbon oil. Under the high-pressure, high-speed conditions, the bearing of the magnetic transmission device with bearing under protection can still get reliable protection. The utility model can be made of normal material and applicable to the magnetic force stir equipment and the magnetic force transport pump equipment with novel structure and the media of heavy pressure, high hazard, easy burning and explosion and strong corrosion. Additionally, the pump of the magnetic transmission device of the utility model can run with no-load, because the rolling bearing does not need the media liquid to lubricate.
Description
Technical field
The utility model relates to a kind of magnetic drive device, particularly relates to the shielded magnetic drive device of a kind of bearing.
Background technology
Magnetic drive device is the rotation with prime mover, utilizes magnetic force transmission non-contiguously to give working machine, and drives the device that working machine rotates.Magnetic drives is the inside and outside a kind of type of belt drive that does not have direct contact of cage.Has absolute sealing for the pressure in the cage.
The magnetic drive pump of magnetic drive device, magnetic agitation are in the chemical industry, be applied under high pressure, high harm, severe corrosive, inflammable, the explosive ambient condition, pump is carried, jar necessary equipment of stirring, because its can accomplish absolute do not have leak, so magnetic drive device is the utmost point with tight security the product of using value is arranged.
Magnetic drive device is mainly by formations such as: outside magnet rotor, cage, internal magnetic rotor, link, retainer, bearing, power transmission shaft, axle envelopes.
The stirring of prior art is with in the magnetic drive device, and the bearing major part is to adopt rolling bearing, and small part is to adopt sliding bearing, retainer outlet axle envelope adopts the molded sealing ring sealing, pressure is arranged, the condition lower seal of the medium that is corrosive is not withstand voltage, and loses efficacy, and bearing is damaged soon.
The pump of prior art adopts sliding bearing with the magnetic drive device middle (center) bearing, does not have the axle envelope, and the bearing chamber is communicated with medium, because sliding bearing utilizes the hydrodynamic lubrication of pumping, so require extremely severe to the sliding bearing material.Still can't essence solve problem of materials at present.
From the above, since corrosion resistance, the mar proof of the bearing that communicates with interior pressure of magnetic drive device self be not well solved always.Just because of the life problems of bearing, use the application of particularly stirring widely thereby seriously hindered magnetic drive device.
In addition, the magnetic drive device of prior art is not paid attention to the seal protection of bearing, and the used molded sealing ring of prior art can only use under normal pressure and low-speed conditions.Sealing is in the jar during work, can not can secondary compression like jar outer moulding airtight and watertight padding, and one has leakage promptly to endanger bearing.Simultaneously, when the corrosive gas leakage of trace, the magnetic drive device of prior art does not have effective safeguard measure.
This shows that above-mentioned existing magnetic drive device obviously still has inconvenience and defective, and demands urgently further being improved on actual manufacturing and using.In order to solve the problem that magnetic drive device exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing magnetic drive device exists; the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; actively studied innovation; in the hope of the shielded magnetic drive device of the bearing of founding a kind of new structure; can improve general existing magnetic drive device, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
Main purpose of the present utility model is; overcome the defective that existing magnetic drive device exists; and the shielded magnetic drive device of the bearing that a kind of new structure is provided; technical problem to be solved is to make it under high pressure, high-speed condition; bearing still can obtain reliable protection; thereby be suitable for practicality more, and have the value on the industry.
Another purpose of the present utility model is; overcome the defective that existing magnetic drive device exists; and the shielded magnetic drive device of the bearing that a kind of new structure is provided; technical problem to be solved is to make it can be manufactured magnetic agitation equipment, the magnetic force delivery pump equipment of the new structure that is applicable to high pressure, high harm, inflammable and explosive or strong corrosive medium by common used material, thereby is suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to the shielded magnetic drive device of a kind of bearing that the utility model proposed, be the link that is connected by flange by bearing in above-mentioned retainer of retainer, supporting shaft, with above-mentioned retainer one end, take up on the cage of above-mentioned retainer one mounting flange capping, the spindle nose of power transmission shaft in this cage, the internal magnetic rotor to be installed and outside above-mentioned cage, to be provided with outside magnet rotor and constitute with internal magnetic rotor relevant position, wherein, on above-mentioned cage, be provided with the balancing hole that can feed gas; And the axle envelope of the center transmission output of above-mentioned retainer adopts mechanical seal structure.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
The shielded magnetic drive device of aforesaid bearing, wherein said feeding gas are N2 or chemically inert gas are arranged.
The shielded magnetic drive device of aforesaid bearing, wherein said mechanical seal is the sealing that is exclusively used in rotation axis, this mechanical seal comprises: the stationary ring part, be connected and installed in flange on the end face of power transmission shaft delivery outlet of retainer, comprise stationary seat, be fixedly arranged on retainer, the one end is provided with a groove; And stationary ring, be located in the groove of above-mentioned stationary seat and staticly do not rotate; And the rotating ring part, comprising: be fixed at the rotating ring axle sleeve on the power transmission shaft; The rotating ring that can relatively rotate with above-mentioned stationary ring; And bellows, be located in the rotating ring axle sleeve, the certain pressure that keeps rotating ring and the sealing of stationary ring two contact-making surfaces is provided.
The shielded magnetic drive device of aforesaid bearing is installed between stationary seat and the retainer and is provided with static " O " RunddichtringO that does not rotate.
The shielded magnetic drive device of aforesaid bearing is installed between rotating ring axle sleeve and the power transmission shaft and is provided with " O " RunddichtringO that rotates with power transmission shaft.
The shielded magnetic drive device of aforesaid bearing, wherein said balancing hole is made as the high pressure screwed hole.
The shielded magnetic drive device of aforesaid bearing is installed connection high pressure balance flue spare in the wherein said balancing hole.
The shielded magnetic drive device of aforesaid bearing is provided with the strong grease of chemical inertness in the wherein said bearing.
The shielded magnetic drive device of aforesaid bearing, wherein said grease comprises chlorofluorocarbon oil.
Through as can be known above-mentioned; the utility model relates to the shielded magnetic drive device of a kind of bearing; the shielded magnetic drive device of this bearing is provided with the balancing hole that can feed N2 or inert gasses is arranged on cage; the axle envelope adopts mechanical seal; bearing adopts the strong grease lubrication of chemical inertness; to prolong the life-span of bearing, wherein grease comprises chlorofluorocarbon oil.The shielded magnetic drive device of this new structure bearing is under high pressure, high-speed condition; bearing still can obtain reliable protection; the utility model can be manufactured magnetic agitation equipment, the magnetic force delivery pump equipment of the new structure that is applicable to high pressure, high harm, inflammable and explosive or strong corrosive medium by common used material; in addition; the utility model is not because rolling bearing needs media fluid lubricated, so the pump of magnetic drive device can no-load running.
By technique scheme, the utility model can reach suitable technological progress and practicality, and has value on the industry, and it has following advantage at least, specifies advantage of the present utility model as follows now:
1, the shielded magnetic drive device operational reliability of the utility model bearing is strong, has saved the step that designs the special-purpose machinery sealing of very complicated multiterminal face by condition of high voltage, makes the machine envelope manufacture and design difficulty and reduces.Therefore can adopt common used material under each working condition, general technology manufactures and designs magnetic drive device.So manufacturing cost reduces relatively, thereby can significantly reduce cost, meet cost benefit, quite have the value of industry.
2, the shielded magnetic drive device of the utility model bearing is not because rolling bearing needs media fluid lubricated; so the pump of magnetic drive device can no-load running; more meet the demand of user in the use, thereby more be suitable for practicality for magnetic drive device.
In sum; the shielded magnetic drive device of the bearing of the utility model special construction; at high pressure; under the high-speed condition; bearing still can obtain reliable protection; simultaneously; the shielded magnetic drive device of the bearing of the utility model special construction; can manufacture by common used material and be applicable to high pressure; high harm; the magnetic agitation equipment of the new structure of inflammable and explosive or strong corrosive medium; magnetic force delivery pump equipment; it has above-mentioned many advantages and practical value; and in like product, do not see have similar structural design to publish or use and really genus innovation; no matter it structurally or bigger improvement all arranged on the function; have large improvement technically; and produced handy and practical effect; and more existing magnetic drive device has the multinomial effect of enhancement; thereby being suitable for practicality more, and having the extensive value of industry, really is a novelty; progressive; practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the schematic drawing of stirring of the present utility model with magnetic drive device.
Fig. 2 is the schematic drawing of pump of the present utility model with magnetic drive device.
Fig. 3 is the enlarged diagram of mechanical seal of the present utility model.
1: outside magnet rotor 2: cage
3: internal magnetic rotor 4: link
5: retainer 6: power transmission shaft
7: bearing 8: the axle envelope
9: balancing hole I: mechanical seal
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to the shielded magnetic drive device of bearing that the utility model proposes, its embodiment, structure, feature and effect thereof, describe in detail as after.
See also Fig. 1, shown in Figure 2, Fig. 1 is the schematic drawing of stirring of the present utility model with magnetic drive device; Fig. 2 is the schematic drawing of pump of the present utility model with magnetic drive device.
The shielded magnetic drive device of the utility model bearing is mainly by formations such as: outside magnet rotor 1, cage 2, internal magnetic rotor 3, link 4, retainer 5, power transmission shaft 6, bearing 7, axle envelope 8 and balancing holes 9.
Magnetic drives is by being installed in the rotation of the above-mentioned outside magnet rotor 1 on prime mover (prime mover comprises reductor or motor) output shaft, under magneticaction, do not drive in contact and rotate above-mentioned internal magnetic rotor of installing on power transmission shaft 6 spindle noses of relevant position in the above-mentioned separation sleeve 23 and the above-mentioned power transmission shaft that is connected with this internal magnetic rotor 36, the working machine (working machine comprises impeller) of the output that is installed in this power transmission shaft 6 is rotated.Above-mentioned outside magnet rotor 1 is to be located by the spindle nose of prime mover.
Above-mentioned power transmission shaft 6 is supported in retainer 5 by bearing 7, and power transmission shaft 6 is located in the retainer 5 the core part that this retainer 5 is magnetic drive devices.The capping of above-mentioned retainer 5 one mounting flanges takes up cage 2, and its another mounting flange face is in order to connect jar (pump) mouth and cage 2 and jar (pump) are separated into two cavitys.Cage 2, retainer 5, link 4, working machine (working machine comprises pump and retort) all are that the flange by separately is connected with above-mentioned retainer 5.
The prime mover that has above-mentioned outside magnet rotor 1 is connected the location to be realized by above-mentioned link 4 with the magnetic drive device main body.This link 4, two ends form and are made as flange, and this flange one end is connected with prime mover flange, and the other end is connected with the flange of above-mentioned retainer 5.
Seeing also shown in Figure 3ly, is the enlarged diagram of mechanical seal of the present utility model.Wherein, the above-mentioned axle envelope 8 that is positioned at the center transmission output of above-mentioned retainer 5 adopts mechanical seal I, this mechanical seal I is the sealing that is exclusively used in rotation axis, this mechanical seal comprises: the stationary ring part, be connected and installed in flange on the end face of power transmission shaft 6 delivery outlets of retainer 5, comprise stationary seat 82, be fixedly arranged on retainer 5, the one end is provided with a groove; And stationary ring 83, be located in the groove of above-mentioned stationary seat 82 and staticly do not rotate; And the rotating ring part, comprising: be fixed in the rotating ring axle sleeve 86 on the power transmission shaft 6; The rotating ring 84 that relatively rotates with above-mentioned stationary ring 83; And bellows 85, be located in the rotating ring axle sleeve 86, the certain pressure that keeps 83 liang of contact-making surface sealings of rotating ring 84 and stationary ring is provided.
Particularly, install between above-mentioned stationary seat and the retainer and be provided with static " O " RunddichtringO 81 that does not rotate.Install between above-mentioned rotating ring axle sleeve and the power transmission shaft and be provided with " O " RunddichtringO 87 that rotates with power transmission shaft.
Please consult Fig. 1, shown in Figure 2 again, above-mentioned cage 2 is provided with balancing hole 9, and the outlet of this balancing hole 9 is located at and is exposed on the outer flange outer rim side, can make things convenient for design and installation high pressure balance flue spare.Above-mentioned flange has enough thickness, thereby can make the balancing hole 9 of above-mentioned cage be designed to high voltage bearing screwed hole.Chemically inert gas or N2 can have been fed in the balancing hole 9, make the pressure of the balanced gas in the mechanical seal body be a bit larger tham or equal the pressure (can realize) of the external chemical mediator of mechanical seal by automatic control technology, because of the less pressure differential that has between the two, can make the external chemical mediator gas of the mechanical seal mechanical seal inside of not bleeding, thereby invade the bearing chamber.In addition, under the favorable mechanical air-proof condition, also stopped bleed phenomenon in the bearing chamber of medium in the generation tank, thereby guaranteed that bearing does not contact the reliability of chemical mediator gas.
Because mechanical seal is the technology that is exclusively used in the rotation axis sealing, and has above-mentioned structure, therefore axle seals 8 high reliability that had under high pressure, high speed conditions, and protection has played variation fundamentally to bearing.
For having prevented the leakage of microcorrosion gas, the above-mentioned strong grease of bearing 7 lubricated employing chemical inertnesses is added on the positions of bearing 7, and the grease that above-mentioned chemical inertness is strong comprises as chlorofluorocarbon oil.Because the chemical inertness of chlorofluorocarbon oil makes it be difficult to chemical depletion and lost efficacy, thereby can delay the life-span of bearing 7.
As shown in Figure 1, the retainer 5 of the shielded magnetic drive device of a preferred embodiment of the present invention bearing has only an installed surface flange, and this flange is in when assembling, above the flange of overlapping separation sleeve 2, link 4, be connected with retort mouth flange below.Above structure can realize in the shielded magnetic drive device of bearing of pump usefulness and stirring usefulness.
As shown in Figure 2, the retainer 5 of the shielded magnetic drive device of another preferred embodiment bearing of the present invention has the installed surface flange of two diverse locations.Be connected with the flange of link 4 on the big flange installed surface, be connected with the pump bowl flange face down; Be connected with the flange of cage 2 on the little flange installed surface.Above structure can realize in the shielded magnetic drive device of bearing of pump usefulness and stirring usefulness.
With in the magnetic drive device, above-mentioned output shaft 7 connects impeller of pump, is contained in and forms magnetic drive pump on the pump case at pump.Stirring with in the magnetic drive device, output shaft 7 connection agitator paddles are contained in just forms magnetic stirrer on the reaction vessel.
The above, it only is preferred embodiment of the present utility model, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1, the shielded magnetic drive device of a kind of bearing; the link that is connected by flange by bearing in this retainer of retainer, supporting shaft, with above-mentioned retainer one end, take up on the cage of above-mentioned retainer one mounting flange capping, the spindle nose of power transmission shaft in this cage, the internal magnetic rotor to be installed and outside above-mentioned cage, to be provided with outside magnet rotor and constitute, it is characterized in that with internal magnetic rotor relevant position:
On above-mentioned cage, be provided with the balancing hole that can feed gas; And
The axle envelope of the center transmission output of above-mentioned retainer adopts mechanical seal structure.
2, the shielded magnetic drive device of bearing according to claim 1 is characterized in that wherein said feeding gas is N
2Or chemically inert gas arranged.
3, the shielded magnetic drive device of bearing according to claim 1 is characterized in that wherein said mechanical seal is the sealing that is exclusively used in rotation axis, and this mechanical seal comprises:
The stationary ring part is connected and installed in flange on the end face of power transmission shaft delivery outlet of retainer, comprises stationary seat, is fixedly arranged on retainer, and the one end is provided with a groove; And stationary ring, be located in the groove of above-mentioned stationary seat and staticly do not rotate; And
The rotating ring part comprises: be fixed at the rotating ring axle sleeve on the power transmission shaft; The rotating ring that can relatively rotate with above-mentioned stationary ring; And bellows, be located in the rotating ring axle sleeve.
4, the shielded magnetic drive device of bearing according to claim 3 is characterized in that installation is provided with static " O " RunddichtringO that does not rotate between stationary seat and the retainer.
5, the shielded magnetic drive device of bearing according to claim 3 is characterized in that installing between rotating ring axle sleeve and the power transmission shaft " O " RunddichtringO that is provided with the power transmission shaft rotation.
6, the shielded magnetic drive device of bearing according to claim 1 is characterized in that wherein said balancing hole is made as the high pressure screwed hole.
7, the shielded magnetic drive device of bearing according to claim 1 is characterized in that installing connection high pressure balance flue spare in described balancing hole.
8, the shielded magnetic drive device of bearing according to claim 1 is characterized in that being provided with in the wherein said bearing the strong grease of chemical inertness.
9, the shielded magnetic drive device of bearing according to claim 8 is characterized in that wherein said grease comprises chlorofluorocarbon oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096250 CN2733731Y (en) | 2004-09-28 | 2004-09-28 | Magnetic transmission device with bearing under protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096250 CN2733731Y (en) | 2004-09-28 | 2004-09-28 | Magnetic transmission device with bearing under protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733731Y true CN2733731Y (en) | 2005-10-12 |
Family
ID=35069567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096250 Expired - Fee Related CN2733731Y (en) | 2004-09-28 | 2004-09-28 | Magnetic transmission device with bearing under protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733731Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539166B (en) * | 2009-04-16 | 2010-12-22 | 王铮 | Magnetic suspension bearing |
| CN101951056A (en) * | 2010-08-31 | 2011-01-19 | 朱耀民 | Motor with leak-proof isolation hood |
| CN104482212A (en) * | 2014-11-29 | 2015-04-01 | 洛阳康耀电子有限公司 | High-vacuum magnetic-coupling dynamic seal drive device and applying method |
| CN106787608A (en) * | 2017-02-28 | 2017-05-31 | 辽宁豪耐思石化装备有限公司 | Titanium tetrachloride reaction device magnetic drive device |
| CN107684736A (en) * | 2017-08-24 | 2018-02-13 | 王旭 | A kind of extraction tank sealed gearing device |
-
2004
- 2004-09-28 CN CN 200420096250 patent/CN2733731Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539166B (en) * | 2009-04-16 | 2010-12-22 | 王铮 | Magnetic suspension bearing |
| CN101951056A (en) * | 2010-08-31 | 2011-01-19 | 朱耀民 | Motor with leak-proof isolation hood |
| CN104482212A (en) * | 2014-11-29 | 2015-04-01 | 洛阳康耀电子有限公司 | High-vacuum magnetic-coupling dynamic seal drive device and applying method |
| CN106787608A (en) * | 2017-02-28 | 2017-05-31 | 辽宁豪耐思石化装备有限公司 | Titanium tetrachloride reaction device magnetic drive device |
| CN106787608B (en) * | 2017-02-28 | 2024-03-22 | 辽宁豪耐思石化装备有限公司 | Magnetic transmission device of titanium tetrachloride reactor |
| CN107684736A (en) * | 2017-08-24 | 2018-02-13 | 王旭 | A kind of extraction tank sealed gearing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |