CN2040177U - Nonleakage and anticorrosive chemical pump - Google Patents
Nonleakage and anticorrosive chemical pump Download PDFInfo
- Publication number
- CN2040177U CN2040177U CN 88215945 CN88215945U CN2040177U CN 2040177 U CN2040177 U CN 2040177U CN 88215945 CN88215945 CN 88215945 CN 88215945 U CN88215945 U CN 88215945U CN 2040177 U CN2040177 U CN 2040177U
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Abstract
The utility model discloses a non leakage and anticorrosive chemical pump, namely, an asynchronous type magnetic driven centrifugal pump. The utility model is used for conveying various strongly corrosion liquids. The utility model is characterized in that the inner part of the coupling part of the magnetic force is formed in a moment ring structure without the permanent magnet steel. The moment ring presents a cylinder shape, and the base body of the moment ring is made by the valence carbon steel. Both ends of the moment ring are welded with two copper rings, and then proceed to anticorrosive surface treatment. The surface of the axle neck of the slide bearing is provided with a spiral groove of the lubrication oil which can rotate left and rotate right, which improves the lubrication of the slide bearing, and achieves the complete sealing under the condition of cooling. The utility model has the advantages of easy fabrication, high reliability, low cost, easy selecting the material, and strong overload ability.
Description
The utility model is that a kind of nothing is leaked, and corrosion-resistant chemical pump is used to carry corrosive liquids.It mainly contains transmission shaft 2, rolling bearing 35, outer magnetic ring 8, permanent-magnet steel 11, shielding can 9, pump shaft 13, sliding bearing 12 and 21, thrust ring 23 and 27, bearing spider 15, centrifugal impeller 18, preoral loop 22, back choma 20, choma seat 19, sealing gasket 16, spiral case 17, housing 7 etc. and forms.
Accompanying drawing 1 is the nothing sealing magnetic force driven centrifugal pump sectional drawing that Britain produces, and its purposes and the utility model are basic identical, and its structure and working principle are transmission shafts 2, are driven by key 1 by necessary electromotor.Transmission shaft 2 forms a rotating magnetic field by the outer magnetic ring 8 of connecting bolt rotating band permanent-magnet steel 11.The permanent-magnet steel 14 that rotating magnetic field is passed on fixing shielding can 9 and the internal magnetic ring 10 produces 10 rotations of magnetic force couplings drive internal magnetic rings, and then drives the pump shaft 13 that interrelates with it again.Pump shaft 13 drives centrifugal impeller 18 by key again and rotates, thereby realizes conveying and supercharging to liquid.Bearing 12,21 is the carbonaceous sliding bearing by the working solution enforced lubricating.Working solution is introduced from pump discharge E, enters the A chamber through the pump shaft center hole, and the annular space between internal magnetic ring 10 and shielding can 9 flows into the B chamber again, enters impeller C chamber behind again through the hole of bearing spider 15.Equalizing orifice enters the impeller low pressure area on back shroud of impeller then.The pump axial force is born by the end face of left thrust ring 23 and bearing 21 or the end face of right thrust ring 27 and bearing 12.Even being the permanent-magnet steel 14 on the internal magnetic ring 10 of magnetic force coupling part, the shortcoming of this pump contacts with working liquid body and the permanent-magnet steel corrosion resistance is poor passes through erosion-resisting surface treatment and also be difficult to bear strong corrosion, and this pump high-performance permanent-magnet steel consumption is big, cost an arm and a leg the cost height.Graphite bearing 12,21 is garden column casing nested structure, its journal surface is the light face of unlubricated groove, its ability of bearing axial force is lower, and lubricating condition is relatively poor, is the magnet steel 14 on the fixing internal magnetic ring 10, in case when high speed rotating, magnet steel 14 is thrown away, must be on the Zhou Fangxiang of garden, between magnet steel, install every magnetic patch, with fixedly between magnet steel and magnet steel every magnetic.Every the magnetic patch processing difficulties, (complex structure), cost height.The hard crisp easy fragmentation of permanent-magnet steel, the particle sheet that drops on the internal magnetic ring magnet steel 14 enters working solution easily and is adsorbed on the inner body.
The purpose of this utility model is to avoid the deficiencies in the prior art part to provide a kind of strongly corrosion liquid, overload capacity can carried strong.Long service life, easy to process, nothing with low cost is leaked corrosion-resistant chemical pump.
The purpose of this utility model reaches by following technical measures: magnetic force closes the inside of part and partly adopts the moment ring structure OA that is not with permanent-magnet steel to replace internal magnetic ring 10, moment ring 110A is to be the garden column casing shape of matrix with low carbon steel, and 2 copper ring 26 postweldings of burn-oning at its two ends carry out the corrosion protection surface treatment together, processing method (layer) is chemical nickel plating one phosphorus (Ni-P) alloy; Make end face band step at sliding bearing and strengthen the thrust area.And be processed with the structure of the spirality lubrication groove of left-handed or dextrorotation respectively in journal surface, and so that improve the bi-directional axial ability to bear, improve sliding bearing lubricating and cool condition, improve the running life of pump; Adopt the bearing support 4A of structure shown in the accompanying drawing 2 to substitute bearing spacer 4 in the original structure accompanying drawing 1 for ease of the dress of transmission shaft rolling bearing 3,5 folding and the machining accuracy that reduces housing 7.
Accompanying drawing 2 is a section of structure of the present utility model.
Below in conjunction with accompanying drawing structure of the present utility model and working procedure are described in further detail:
Transmission shaft 2 is driven by key 1 by motivation.Drive outer magnetic ring 8 rotations that permanent-magnet steel 11 is arranged by connecting bolt again then and form rotating magnetic field, rotating magnetic field is passed fixing shielding can 9 and is gone out vortex flow at moment ring 10A surface induction, eddy current produces moment of torsion again and drives moment ring 10A rotation under the rotating magnetic field effect, drive pump shaft 13 through twist pin again, drive centrifugal impeller 18 rotations by key again.Thereby realize conveying and supercharging to liquid.Because the liquid that pump is carried is closed in the shielding can 9, just the rotating shaft motive sealing is changed into static seal, thereby reach sealing fully.Pump shaft 13 is by sliding bearing 12,21 supportings, and this bearing shrink fit is in bearing support 15.Bearing spider 15 warp-wises are positioned on the interior garden of shielding can 9.Axially be screwed on choma seat 19, the preoral loop 22 that wear-resisting graphite is made, back choma 20 are press-fit into respectively in spiral case 17 and the choma seat 19.Their internal surface and centrifugal impeller respective surfaces are formed seal clearance.Improve pump volumetric efficiency to reduce the impeller delivery outlet to the leakage rate of import.Impeller 18 is fixed on the pump shaft 13 by fastening screw trip bolt 24, and liquid is by 16 sealings of the sealing gasket between flange that is in shielding can 9 and the spiral case 17 in the pump.Entire pump is by being connected with nut 30 along garden equally distributed stud bolt 31 of week.Impeller 18 is by left thrust ring 23 and bearing 21 end faces and right thrust ring 27 and bearing 12 end face axial location and bear axial force and leave certain interval between them.To guarantee that impeller has certain axial mobility.Introduce the lubricated and cooling sliding bearing 12 and 21 of part working solution from pump discharge F through return port 37, simultaneously flow to A chamber, moment ring 10A right side through the pump shaft center hole, annular space between moment ring 10A and shielding can 9 is to the B chamber again, enter the C chamber by the hole on the bearing spider 15 again, equalizing orifice enters the impeller inlet low pressure area on impeller 18 back shrouds then, with the heat that produces in this circuit liquid stream cooling shielding can 9 and the coupling of moment ring 10A magnetic force, plug screw 26A can emit the liquid in the remaining pump when pump stops.Pump and motor are fixed on the same metallic base.
The utility model has following advantage compared with the prior art:
1, moment ring 10A adopts mild steel to be machined into the garden tubular as matrix, and the copper end ring of respectively burn-oning at two ends again carries out surperficial high-quality anti-corrosion treatment then. This kind pump do not contain not corrosion-resistant permanent magnet steel on the former technology internal magnetic ring owing to do not resemble on the moment ring, so can be carried strong corrosive liquids.
2,,, can not resemble and cause demagnetize when overloading the former technology and reduce the power transmission capacity so overload capacity is strong owing to lean on slip magnetoelectric induction principle transmitted power between outer magnetic ring and the moment ring.
3, because the moment ring does not contain expensive permanent-magnet steel, reduced product cost.
4, the moment ring does not contain permanent-magnet steel, not need every magnetic patch with and the magnet steel fixation.Simplified structure and technology reduce cost greatly.
Claims (4)
1, a kind of nothing is leaked corrosion-resistant chemical pump, be used to carry corrosive liquids, mainly by transmission shaft 2, rolling bearing 3,5, outer magnetic ring 8, permanent magnet valve 11, shielding can 9, pump shaft 13, sliding bearing 12,21, thrust ring 23,27, bearing spider 15, centrifugal impeller 18, preoral loop 22, back choma 20, choma seat 19, sealing gasket 16, spiral case 17, housing 7 etc. are formed.The inside that it is characterized in that magnetic force coupling part partly is the moment ring structure that garden column casing shape does not contain permanent-magnet steel.
2, leaking corrosion-resistant chemical pump according to the described nothing of claim 1, it is characterized in that garden column casing shape moment ring, is to be matrix with low-carbon (LC) sodium, and its two ends respectively are welded with a copper ring 36, postwelding carries out the surface treatment of corrosion protection chemical plating;
3, leak corrosion-resistant chemical pump according to the described nothing of claim 1, it is characterized in that the sliding bearing 12,21 of pump is the spirality lubrication groove that post surface, interior garden has left-handed or dextrorotation respectively;
4, leak corrosion-resistant chemical pump according to the described nothing of claim 1, it is characterized in that the outer shroud of bearing 3,5 is contained on the bearing support 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88215945 CN2040177U (en) | 1988-11-09 | 1988-11-09 | Nonleakage and anticorrosive chemical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88215945 CN2040177U (en) | 1988-11-09 | 1988-11-09 | Nonleakage and anticorrosive chemical pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2040177U true CN2040177U (en) | 1989-06-28 |
Family
ID=4848657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88215945 Granted CN2040177U (en) | 1988-11-09 | 1988-11-09 | Nonleakage and anticorrosive chemical pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2040177U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042329A (en) * | 2010-12-28 | 2011-05-04 | 杭州前进齿轮箱集团股份有限公司 | Floating support structure and ship transmission device |
| CN103696991A (en) * | 2013-12-11 | 2014-04-02 | 江苏大学 | Axial force balancing device for high-pressure pump rotor |
| CN106286316A (en) * | 2015-05-28 | 2017-01-04 | 昆山江津长抗干磨磁力泵有限公司 | The magnetic drive pump that a kind of structure is improved |
| CN107250557A (en) * | 2015-02-25 | 2017-10-13 | 三菱重工业株式会社 | Fluid machinery and its manufacture method |
| CN108787809A (en) * | 2017-04-26 | 2018-11-13 | 米巴滑动轴承奥地利有限公司 | Method for manufacturing sliding shaft sleeve |
| CN110273839A (en) * | 2018-03-14 | 2019-09-24 | 三花亚威科电器设备（芜湖）有限公司 | Pump and dish-washing machine |
| CN111980929A (en) * | 2020-09-01 | 2020-11-24 | 安徽凯浦泵业有限公司 | Alkali-resistant anti-corrosion chemical magnetic water pump and use method thereof |
-
1988
- 1988-11-09 CN CN 88215945 patent/CN2040177U/en active Granted
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042329A (en) * | 2010-12-28 | 2011-05-04 | 杭州前进齿轮箱集团股份有限公司 | Floating support structure and ship transmission device |
| CN102042329B (en) * | 2010-12-28 | 2014-07-30 | 杭州前进齿轮箱集团股份有限公司 | Floating support structure and ship transmission device |
| CN103696991A (en) * | 2013-12-11 | 2014-04-02 | 江苏大学 | Axial force balancing device for high-pressure pump rotor |
| CN103696991B (en) * | 2013-12-11 | 2017-10-27 | 江苏大学 | High-pressure pump rotor axial thrust balancing device |
| CN107250557A (en) * | 2015-02-25 | 2017-10-13 | 三菱重工业株式会社 | Fluid machinery and its manufacture method |
| CN107250557B (en) * | 2015-02-25 | 2019-07-16 | 三菱重工业株式会社 | Fluid machinery and its manufacturing method |
| CN106286316A (en) * | 2015-05-28 | 2017-01-04 | 昆山江津长抗干磨磁力泵有限公司 | The magnetic drive pump that a kind of structure is improved |
| CN108787809A (en) * | 2017-04-26 | 2018-11-13 | 米巴滑动轴承奥地利有限公司 | Method for manufacturing sliding shaft sleeve |
| US10436249B2 (en) | 2017-04-26 | 2019-10-08 | Miba Gleitlager Austria Gmbh | Method for producing a plain bearing bush |
| CN110273839A (en) * | 2018-03-14 | 2019-09-24 | 三花亚威科电器设备（芜湖）有限公司 | Pump and dish-washing machine |
| CN111980929A (en) * | 2020-09-01 | 2020-11-24 | 安徽凯浦泵业有限公司 | Alkali-resistant anti-corrosion chemical magnetic water pump and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee |