CN203604217U - Novel submerged slurry pump - Google Patents
Novel submerged slurry pump Download PDFInfo
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- CN203604217U CN203604217U CN201320740825.8U CN201320740825U CN203604217U CN 203604217 U CN203604217 U CN 203604217U CN 201320740825 U CN201320740825 U CN 201320740825U CN 203604217 U CN203604217 U CN 203604217U
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- impeller
- transmission shaft
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- pump housing
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Abstract
The utility model aims to provide a novel submerged slurry pump. According to the novel submerged slurry pump, an impeller is supported in a floating mode, a transmission shaft is in linkage with the impeller in a floating mode, and flow passing parts are coated with anti-abrasion ceramic coatings. The novel submerged slurry pump is composed of a lower pump cover, the impeller, a pump body, an upper pump cover, a sliding key, the transmission shaft, a linkage tube, a supporting base, a bearing cover, a ball bearing, a bearing base, a roller bearing, a coupler, a motor supporting base, a liquid outlet elbow and a liquid outlet tube. A drive motor of the device is installed on the motor supporting base and in linkage with the transmission shaft through the coupler, and the bearing base and the pump body are in linkage through the linkage tube. The motor transmits power to the impeller through the transmission shaft, the impeller drives liquid to rotate, and slurry liquid is output under the action of centrifugal force. In order to prolong the service life, the flow passing parts are coated with the anti-abrasion ceramic coatings, the impeller is supported by a perpendicular liquid storage groove and an inclined liquid storage groove in the pump body in the floating mode, the transmission shaft is in linkage with the impeller in the floating mode, and torque is transmitted by the sliding key.
Description
Technical field
The present invention relates to a kind of novel slag slurry pump under liquid, be mainly used in the industries such as metallurgy, oil refining, mine, coal, building materials, environmental protection, municipal engineering, carry the mobile mud of dope, viscous crude, the dregs of fat, mud, quicksand and urban sewage raceway groove, and the fluid that contains slag thing and the liquid that is corrosive.
Background technique
Slag slurry pump under liquid be for the treatment of contain solid particle and and the continuity working pump of abrasion, corrosive liquids and the mud of the compositions of mixtures of water, generally immerse work in liquid pool.Because the main failure forms of its flow passage components is wear out failure, simultaneously due to the asymmetry of rotating component wearing and tearing, cause impeller end centrifugal load to increase, cause bearing failure, have a strong impact on the actual life of slag stock pump, manufacturing efficiency is reduced, strengthened the maintenance investment of power consumption and equipment.Therefore, flow passage components have adopted wear-resistant or corrosion-resistant material coating, the working life of having improved flow passage components, but due to the accuracy of manufacturing restriction of clad material, make the nonuniformity of coat structure larger, the centrifugal unbalance loading while having increased wheel rotation, make the local quick-wearing of crossing of impeller, cause inefficacy.Meanwhile, because the traditional design of slag slurry pump under liquid main shaft support is upper end bearings, middle lower end is the cantilever segment of growing, and causes the centrifugal unbalance loading of lower end impeller to be amplified at double the load at spring bearing place, causes that bearing overloading lost efficacy.
Summary of the invention
The object of this invention is to provide: impeller adopts floating support method, adopts floating torsion transmission between transmission shaft and impeller, and overcurrent position all applies the novel slag slurry pump under liquid of one of wear-resistant ceramic coating.
The novel slag slurry pump under liquid of one provided by the present invention, by: lower pump cover, impeller, the pump housing, upper pump cover, slide key, transmission shaft, connecting tube, supporting base, bearing cap, ball bearing, bearing support, roller bearing, coupling, motor bearing seat, fluid elbow, drain pipe form.Device entirety is supported by supporting base, and drive motor is arranged on motor bearing seat, and by coupling and propeller shaft couplings, transmission shaft is bearing in bearing support by bearing, by connecting tube, bearing support is connected with pump.Motor passes to impeller by coupling and transmission shaft by power, and wheel rotation drives liquid to rotate, and exports dreg slurry body under centrifugal action.Pump cover on it, the pump housing, lower pump cover, the position that impeller contacts with liquid, all adopts abrasion-proof ceramic coat to apply, and non-overcurrent position does not adopt abrasion-proof ceramic coat to apply, and guarantees the accuracy of manufacturing of matching part, avoids overcurrent position that quick-wearing occurred.
Impeller by vertical and inclination liquid storage groove floating support, adopts Floating connection between transmission shaft and impeller, by slide key transmitting torque in the pump housing.
According to the present invention, jointly form impeller supporting structure by the pump housing and upper pump cover, vertical and inclination liquid storage groove is set between impeller and the pump housing and upper pump cover.Impeller in the pump housing and between the pump housing and upper pump cover all correspondingly-sized all adopt large Spielpassung, the vertical rectangle liquid storage groove distributing along cylinder surface periphery is set between upper impeller and upper pump cover, the inclination inverted trapezoidal liquid storage groove distributing along conical surface is set between impeller bottom and the pump housing.Liquid storage groove enters certain depth to place concave surface, in order to store liquid.In wheel rotation process, because vertical liquid storage groove is uniform on circumference, between impeller and upper pump cover, form liquid level, therefore in the time of vane rotary, impeller is radially played to lubricated supporting role.The inclination inverted trapezoidal liquid storage groove arranging between impeller bottom and the pump housing, the liquid level forming between impeller and the pump housing, to impeller shaft to radially play lubricated supporting role.
According to the present invention, between transmission shaft and impeller, adopt floating connection structure, the diameter of axle that transmission shaft stretches into impeller is less than the axis hole size that impeller is corresponding, when impeller is during in central position, impeller shaft hole internal surface does not contact with the transmission shaft diameter of axle, eccentric load when wheel rotation can not pass to transmission shaft, makes to form floating connection between impeller and transmission shaft.Between transmission shaft and impeller by slide key transmitting torque.The underpart of transmission shaft arranges sliding keyway, and inside packs slide key into, and the thickness of slide key is less than the sliding keyway of end part of driving shaft, and slide key can be free to slide in sliding keyway.The width of slide key is greater than transmission shaft diameter, can go deep into impeller shaft hole keyway, has both guaranteed that the torque reliable delivery of transmission shaft is to impeller, also can avoid the radial load transfer of impeller to transmission shaft.
According to the present invention, upper impeller outer surface is cylindrical, and inside is double-deck bulge loop structure, and rectangle liquid storage groove is set on the external diameter of outer bulge loop, and the inside of internal layer bulge loop arranges transmission axis hole and sliding keyway.Impeller middle part is impeller disk body, and impeller disk body is divided into and put 12 blades, and blade is stretched out by core, is scroll.Blade top and impeller disk body lower surface are connected in one, and outer end, blade top is cylindrical, and outer end, blade bottom is conical.Blade middle part adopts intermediate support ring ruggedized construction, guarantees join strength and the rigidity of impeller blade.The profile of intermediate support ring is conical, outer installment inverted trapezoidal liquid storage groove.Impeller all applies wear-resistant ceramic coating.Take floating connection due to impeller and transmission shaft, while therefore installation, do not need to carry out gap adjustment.
According to the present invention, the pump housing is overall structure, and profile is volute shape, and inner lower floor adopts semiclosed bulge loop supporting structure, and inclination inverted trapezoidal liquid storage groove is set on the female cone surface of bulge loop internal taper hole.The internal diameter at the upper and lower mouthful place of the pump housing be connected coordinating between flange flange outside diameter of pump cover up and down, jointly form appearance liquid space with upper and lower pump cover.
According to the present invention, upper and lower pump cover entirety is dish type.The top of upper pump cover is provided with male flange, coordinates with aperture, connecting tube lower end, and lower boss external diameter coordinates with the pump housing, and the inner periphery of boss endoporus arranges rectangle liquid storage groove.Lower pump cover is provided with male flange and coordinates with the pump housing.
The overcurrent position of device of the present invention adopts wear-resistant ceramic coating, impeller in the pump housing by vertical and inclination liquid storage groove floating support, between impeller and transmission shaft, adopt Floating connection, compared with the device that adopts gun iron link with transmission shaft with impeller, have the following advantages: 1, easy for installation, long service life; 2, structure is convenient to abrasion-proof ceramic coat coating; 3, eliminate flow passage components and transmission shaft bearing premature failure phenomenon, reduced maintenance cost.
Accompanying drawing explanation
Accompanying drawing illustrates concrete principle of the present invention and structure in conjunction with embodiment:
Accompanying drawing is the main sectional view of the assembling of example device of the present invention and parts drawing.Number in the figure is indicated component.
In accompanying drawing:
Fig. 1 is the main sectional view of example device erection drawing of the present invention.Wherein: the 1st, lower pump cover 1,2nd, impeller, the 3rd, the pump housing, the 4th, upper pump cover, the 5th, slide key, the 6th, transmission shaft, the 7th, connecting tube, the 8th, supporting base, the 9th, bearing cap, the 10th, ball bearing, the 11st, bearing support, the 12nd, roller bearing, the 13rd, coupling, the 14th, motor bearing seat, the 15th, fluid elbow, the 16th, drain pipe.
Fig. 2 is the partial enlarged drawing of the main sectional view of erection drawing.
Fig. 3 is the plan view of the pump housing.
Fig. 4 is the plan view of impeller.
Fig. 5 is the worm's eye view of impeller.
Fig. 6 is the sectional view of impeller.
Embodiment
The concrete embodiment of accompanying drawings of the present invention.
With reference to accompanying drawing 1 and accompanying drawing 2, the support drive method of a kind of Novel slurry pump impeller of the present embodiment with device by lower pump cover 1, impeller 2, the pump housing 3, upper pump cover 4, slide key 5, transmission shaft 6, connecting tube 7, supporting base 8, bearing cap 9, ball bearing 10, bearing support 11, roller bearing 12, coupling 13, motor bearing seat 14, fluid elbow 15, drain pipe 16 forms.
With reference to accompanying drawing 1 and accompanying drawing 2, entirety is by supporting 8 supportings.Drive motor is arranged on motor bearing seat 14, connects with transmission shaft 6 by coupling 13, and transmission shaft 6 is supported in bearing support 11 by bearing 10 and 12, by connecting tube 7, bearing support 11 is connected by screw with upper pump cover 4 and the pump housing 3.This embodiment device is centrifugal pump in essence, by coupling 13 and transmission shaft 6, power is passed to impeller 2 by motor, and impeller 2 rotates in the pump housing, drives liquid to rotate.Dreg slurry body, under centrifugal action, forms infusion pressure in the pump housing, and exports dreg slurry body along fluid elbow 15 and drain pipe 16.
For improving working life, must improve the wear resistance at device overcurrent position, the therefore upper pump cover 4 of this embodiment device, the pump housing 3, lower pump cover 1, the position that impeller 2 contacts with liquid, all adopt abrasion-proof ceramic coat to apply, non-overcurrent position does not adopt abrasion-proof ceramic coat to apply.The impeller 2 of the invention process example device by vertical and inclination liquid storage groove floating support, adopts Floating connection between transmission shaft 6 and impeller 2, by slide key transmitting torque in the pump housing 3.So both guarantee the accuracy of manufacturing of matching part, and can avoid again overcurrent position that quick-wearing occurred.
With reference to accompanying drawing 1 and accompanying drawing 2, between the impeller 2 of the present embodiment and the pump housing 3 by vertical and inclination liquid storage groove floating support.Namely be placed in the pump housing 3 when interior at impeller 2, keep all correspondingly-sized between impeller 2 and the pump housing 3 and upper pump cover 4 all to adopt large Spielpassung.Upper pump cover 4 and the common composition impeller of the pump housing 2 floating support structure.The vertical rectangle liquid storage groove distributing along cylinder surface periphery is set between impeller 2 tops and upper pump cover 4, the inclination inverted trapezoidal liquid storage groove distributing along conical surface is set between impeller 2 bottoms and the pump housing 3.Liquid storage groove enters certain depth to place concave surface, in order to store liquid.
With reference to accompanying drawing 2 and accompanying drawing 6, between the transmission shaft 6 of this embodiment and impeller 2, adopt Floating connection.The diameter of axle that structurally transmission shaft 6 is stretched into impeller 2 is less than the axis hole size that impeller is corresponding, when impeller 2 is during in central position, impeller shaft hole internal surface does not contact with the diameter of axle of transmission shaft 6, radial disbalance load when impeller 2 rotates can not pass to transmission shaft, makes to form floating connection between impeller 2 and transmission shaft 6.Between transmission shaft 6 and impeller 2 by slide key 5 transmitting torques.The underpart of transmission shaft 6 arranges sliding keyway, and inside packs slide key 5 into, and the thickness of slide key 5 is less than the sliding keyway of transmission shaft 6 ends, and slide key 5 can be free to slide in sliding keyway.The width of slide key 5 is greater than the diameter of transmission shaft 6, can go deep into impeller shaft hole keyway.
With reference to accompanying drawing 4,5,6, the appearance integral of this embodiment impeller 2 is top in shape.Impeller 2 outer surface of upper are cylindrical, and inside is double-deck bulge loop structure, and rectangle liquid storage groove is set on the external diameter of outer bulge loop, and the inside of internal layer bulge loop arranges transmission axis hole and sliding keyway.Impeller 2 maximum diameter places, middle part are impeller disk body, and impeller disk body is divided into and put 12 blades, and blade is stretched out by core, is scroll.Blade top and impeller disk body lower surface are connected in one, and outer end, blade top is cylindrical, and outer end, blade bottom is conical.Blade middle part adopts intermediate support ring ruggedized construction, guarantees join strength and the rigidity of impeller blade.The profile of intermediate support ring is conical, outer installment inverted trapezoidal liquid storage groove.Impeller 2 all applies wear-resistant ceramic coating.Because impeller 2 and transmission shaft 6 are taked floating connection, while therefore installation, do not need to carry out gap adjustment.
With reference to accompanying drawing 2 and accompanying drawing 3, the pump housing 3 of this embodiment is overall structure, and profile is volute shape, and inner lower floor adopts semiclosed bulge loop supporting structure, and inclination inverted trapezoidal liquid storage groove is set on the female cone surface of bulge loop internal taper hole.The internal diameter at the pump housing 3 upper and lower opening places be connected coordinating between flange flange outside diameter of pump cover up and down.Because the matching part of upper and lower pump cover and the pump housing is to guarantee that the pump housing forms the position of working space and coupled piping support, cooperation is had relatively high expectations, and for guaranteeing to coordinate and machining accuracy, does not adopt wear-resistant ceramic to apply.
With reference to accompanying drawing 2, upper pump cover 4 entirety are dish type, and top is provided with male flange, coordinates with the aperture, lower end of connecting tube 7, and lower boss external diameter coordinates with the pump housing, and the inner periphery of boss endoporus arranges rectangle liquid storage groove.Between upper pump cover 4 and connecting tube 7 and the pump housing 3, all adopt screw to be connected.
When installation, can first lower pump cover 1 be installed with the pump housing 3; Upset the pump housing again impeller 2 and slide key 5 are put into the pump housing 3, cover pump cover 4 and with the pump housing 3 use screw attachment; Then upper pump cover 4 is connected with the pump housing, connecting tube 7 is connected with upper pump cover 4, pack transmission shaft 6 into impeller 2 simultaneously; Finally, by fluid elbow 15, drain pipe 16 connects with the pump housing 3.
Claims (7)
1. a novel slag slurry pump under liquid, by: lower pump cover, impeller, the pump housing, upper pump cover, slide key, transmission shaft, connecting tube, supporting base, bearing cap, ball bearing, bearing support, roller bearing, coupling, motor bearing seat, fluid elbow, drain pipe composition, device entirety is supported by supporting base, drive motor is arranged on motor bearing seat, by coupling and propeller shaft couplings, transmission shaft by bearings in bearing support, by connecting tube, bearing support is connected with pump, motor passes to impeller by coupling and transmission shaft by power, impeller drives liquid to rotate, under centrifugal action, export dreg slurry body, it is characterized in that, upper pump cover, the pump housing, lower pump cover, the position that impeller contacts with liquid, all adopt abrasion-proof ceramic coat to apply, non-overcurrent position does not adopt abrasion-proof ceramic coat to apply, impeller in the pump housing by vertical and inclination liquid storage groove floating support, between transmission shaft and impeller, adopt Floating connection, by slide key transmitting torque.
2. the novel slag slurry pump under liquid of one as claimed in claim 1, it is characterized in that, upper pump cover and the pump housing form impeller floating support structure jointly, between impeller and the pump housing by vertical and inclination liquid storage groove floating support, impeller in the pump housing and between the pump housing and upper pump cover all correspondingly-sized all adopt large Spielpassung, the vertical rectangle liquid storage groove distributing along cylinder surface periphery is set between upper impeller and upper pump cover, the inclination inverted trapezoidal liquid storage groove distributing along conical surface is set between impeller bottom and the pump housing, liquid storage groove enters certain depth to place concave surface, in order to store liquid.
3. the novel slag slurry pump under liquid of one as claimed in claim 1, it is characterized in that, between transmission shaft and impeller, adopt Floating connection, the diameter of axle that transmission shaft stretches into impeller is less than the axis hole size that impeller is corresponding, when impeller is during in central position, impeller shaft hole internal surface does not contact with the transmission shaft diameter of axle, and radial disbalance load when wheel rotation can not pass to transmission shaft, makes to form floating connection between impeller and transmission shaft.
4. the novel slag slurry pump under liquid of one as claimed in claim 1, it is characterized in that, between transmission shaft and impeller by slide key transmitting torque, the underpart of transmission shaft arranges sliding keyway, inside packs slide key into, the thickness of slide key is less than the sliding keyway of end part of driving shaft, slide key can be free to slide in sliding keyway, the width of slide key is greater than transmission shaft diameter, can go deep into impeller shaft hole keyway, the torque reliable delivery of assurance transmission shaft, to impeller, avoids the radial load transfer of impeller to transmission shaft.
5. the novel slag slurry pump under liquid of one as claimed in claim 1, it is characterized in that, impeller entirety is top in shape, upper impeller outer surface is cylindrical, inside is double-deck bulge loop structure, on the external diameter of outer bulge loop, rectangle liquid storage groove is set, the inside of internal layer bulge loop arranges transmission axis hole and sliding keyway, maximum diameter place, impeller middle part is impeller disk body, impeller disk body is divided into and is put 12 scroll blades, blade is stretched out by core, blade top and impeller disk body lower surface are connected in one, outer end is cylindrical, outer end, bottom is conical, blade middle part adopts intermediate support ring ruggedized construction, the profile of intermediate support ring is conical, outer installment inverted trapezoidal liquid storage groove, impeller all applies wear-resistant ceramic coating, when installation, do not need to carry out gap adjustment.
6. the novel slag slurry pump under liquid of one as claimed in claim 1, it is characterized in that, the pump housing is overall structure, profile is volute shape, inner lower floor adopts semiclosed bulge loop supporting structure, inclination inverted trapezoidal liquid storage groove is set on the female cone surface of bulge loop internal taper hole, the internal diameter at pump housing upper and lower opening place be connected coordinating between flange flange outside diameter of pump cover up and down, jointly form appearance liquid space with upper and lower pump cover.
7. the novel slag slurry pump under liquid of one as claimed in claim 1, it is characterized in that, upper and lower pump cover entirety is dish type, the top of upper pump cover is provided with male flange, coordinate with aperture, connecting tube lower end, lower boss external diameter coordinates with the pump housing, and the inner periphery of boss endoporus arranges rectangle liquid storage groove, lower pump cover is provided with male flange and coordinates with the pump housing, and upper and lower pump cover is connected with screw with the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740825.8U CN203604217U (en) | 2013-11-15 | 2013-11-15 | Novel submerged slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740825.8U CN203604217U (en) | 2013-11-15 | 2013-11-15 | Novel submerged slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604217U true CN203604217U (en) | 2014-05-21 |
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ID=50716894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740825.8U Expired - Fee Related CN203604217U (en) | 2013-11-15 | 2013-11-15 | Novel submerged slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179723A (en) * | 2014-08-12 | 2014-12-03 | 苏州通力电气有限公司 | Anti-clamping submersible pump |
| CN113432041A (en) * | 2021-06-04 | 2021-09-24 | 中国水利水电第十二工程局有限公司 | Concrete conveying device |
-
2013
- 2013-11-15 CN CN201320740825.8U patent/CN203604217U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179723A (en) * | 2014-08-12 | 2014-12-03 | 苏州通力电气有限公司 | Anti-clamping submersible pump |
| CN113432041A (en) * | 2021-06-04 | 2021-09-24 | 中国水利水电第十二工程局有限公司 | Concrete conveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20141115 |
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| EXPY | Termination of patent right or utility model |