CN204677507U - A kind of Novel major axis pump - Google Patents
A kind of Novel major axis pump Download PDFInfo
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- CN204677507U CN204677507U CN201520377282.7U CN201520377282U CN204677507U CN 204677507 U CN204677507 U CN 204677507U CN 201520377282 U CN201520377282 U CN 201520377282U CN 204677507 U CN204677507 U CN 204677507U
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Abstract
The utility model provides a kind of Novel major axis pump, comprises motor, pump shaft, impeller; Motor is arranged on motor cabinet, and installation pump bearing below motor cabinet, is fixed with the upper end of connecting tube below pump holder, connecting tube lower end is fixed with the space guide vane body with cavity and runner, and impeller is positioned at space guide vane body; Be arranged with the upper end of pillar connecting tube runner outside pump shaft to be communicated with the threeway waterpower component in pump holder, the lower end of connecting tube runner and the runner UNICOM of space guide vane body; It is characterized in that: described connecting tube is two or more, between adjacent connecting tube, there is bearing support, bearing housing set in bearing support is located at outside pump shaft, the flange seam of connecting tube end and bearing support seam cooperatively interact and plug and locate, and have the flange that the adjacent connecting tube end of bolt connections has.The utility model makes some frameworks of pump realize modularized production, can improve production and packaging efficiency, reduce costs, improve monolithic stability and the life-span of pump in addition.
Description
Technical field
The utility model belongs to a kind of pump, particularly relates to a kind of long-shaft pump.
Background technique
Long-shaft pump, can be used for delivering rainwater, the iron oxide severe edema due to hypofunction of the spleen, sewage, there is the liquid such as corrosive industrial wastewater, seawater.Be widely used in the industrial and mining enterprise such as water utility, sewage treatment works, Iron And Steel Plant, mine, and municipal plumbing, field irrigation, the engineering such as to control flood and drain flooded fields.
Traditional vertical long-shaft pump, pump holder requires and single respective design according to pump performance, and pump body portion sealing adopts circular seam fit system.Thus have product specification monotony, mould, blank product cost are high, and resource utilization is low, manufactures and designs the time long; And during the high-lift and conveying liquid such as particle pulp slurry, chemical industry corrosive liquid, easily cause the shortcoming that rubber seal is damaged.
How to change product piece monotony, improve pump chamber sealability, increase work efficiency and the resource utilization such as human and material resources, realize the technical research direction that same or similar pump combination property is Novel major axis pump.
Model utility content
The utility model provides a kind of Novel major axis pump, its objective is the shortcoming solving prior art and exist, makes some frameworks of pump realize modularized production, can improve production and packaging efficiency, reduce costs, improve monolithic stability and the life-span of pump in addition.
The utility model solves the technological scheme that its technical problem adopts:
A kind of Novel major axis pump, comprise motor, the output shaft of motor connects with end on pump shaft, and pump shaft lower end is provided with impeller; Motor is arranged on motor cabinet, installation pump bearing below motor cabinet, is fixed with the upper end of connecting tube below pump holder, connecting tube lower end is fixed with the space guide vane body with cavity and runner, impeller is positioned at space guide vane body, is provided with sealing between space guide vane body and pump shaft; Pump holder is provided with bearing support, the lower end of connecting tube is provided with bearing support, and the bearing housing in above-mentioned bearing support is located at outside pump shaft, is provided with sealing between bearing support and pump shaft, be arranged with pillar outside pump shaft, the upper end of pillar and lower end are sheathed to be respectively fixed on above-mentioned bearing support; Space between pillar and connecting tube forms connecting tube runner, and the upper end of connecting tube runner is communicated with the threeway waterpower component in pump holder, the lower end of connecting tube runner and the runner UNICOM of space guide vane body; It is characterized in that: described connecting tube is two or more, between adjacent connecting tube, there is bearing support, bearing housing set in bearing support is located at outside pump shaft, sealing is provided with between bearing support and pump shaft, flange seam set on the flange that connecting tube end has and the bearing support seam set by bearing support cooperatively interact and plug and locate, there is flange that the adjacent connecting tube end of bolt connections has and adjacent connecting tube is connected and makes bearing block be fixed between adjacent connecting tube, between the flange that connecting tube end has and bearing support, being provided with sealing gasket; To there being one section of pillar in every section of connecting tube, the end of pillar is set on corresponding bearing support respectively, is provided with seal ring between pillar and bearing support; Mechanical seal or skeleton-type oil seal is sealed between above-mentioned bearing support and pump shaft; Form relatively independent ground long-shaft pump segmentation fixed connection apparatus structure thus.
Pump holder comprises support cylinder and threeway waterpower component, described threeway waterpower component is made up of with the right circular cylinder being connected to three ports the hydraulic flow line structure main body with three ports, hydraulic flow line structure main body and three right circular cylinders one-body molded, the port of three right circular cylinders is respectively entrance point port, outlet end port, driving end port, its entrance point port welded and installed flange, outlet end port welding outlet adpting flange; Supporting cylinder is welded on mounting flange upper-end surface, and threeway waterpower component is placed in supporting cylinder, and outlet end port extends to outside supporting cylinder; Supporting cylinder top is welded with bearing block flange; Above-mentioned mounting flange is connected with bolt group with the flange of connecting tube upper end, and bearing block flange is connected with bolt group with the flange of motor cabinet lower end.
Vertical reinforcement gusset outside supporting cylinder is fixed between mounting flange and bearing block flange, and cross reinforcing plate is fixed between supporting cylinder and driving end port.
Skeleton-type oil seal and mechanical seal is provided with between space guide vane body and pump shaft, pump shaft is provided with sub-propeller, sub-propeller is positioned at the cavity of space guide vane body, and the position of sub-propeller between impeller and motor, axial direction along pump shaft on impeller offers through hole, and this through hole is connected with the cavity in space guide vane body.
Usefulness of the present utility model is:
Multistage connecting tube and pillar are set, form multiple pump section, pump is intersegmental coordinates location by the flange seam in connecting tube and bearing support seam, accurately connected by bolt group, and sealing gasket can ensure the effective sealing that pump is intersegmental, the expansion realizing needing to carry out according to operating mode pump total length extends, what constitute modular universal pump manufactures and designs basis, greatly can raise the efficiency, economize on resources, reduce component manufacture difficulty.
Pump shaft, connecting tube, pillar, bearing are by bearing support segmentation fixed connection apparatus mode, while guarantee pump shaft alignment, reduce pump shaft machining accuracy and material requirement, improve related rotation part working life, be beneficial to installation and removal to safeguard, and effectively can carry out the flexible expansion of pump entire length modularization.
Threeway waterpower component adopts unified model precision casting, effectively forms hydraulic flow line structure, to realize the requirement of hydraulic performance, forms a kind of standard module threeway waterpower component.Thus for the pump of same or similar hydraulic performance, all can use same identical threeway waterpower component, only need extend or shorten right circular cylinder according to the center height H of system or outlet length L and just can meet different installation needs, thus realize modular design production model that is efficient, quick and easy, that save, fundamentally get rid of the old design mode of production of pump one model, meet the developing direction that modern efficient is saved.
Enter the pressured fluid of space guide vane body through impeller, by aperture that impeller is offered and sub-propeller effect, can realize along the up liquid pressure-reducing of axle and realize axial equilibrium of forces; And residual liquid vertically after decompression, under the compound action of mechanical seal and skeleton-type oil seal, realize the sealing completely that liquid bottom axle rotates, effectively prevent liquid from entering bearing chamber, guarantee the safe handling of bearing, improve monolithic stability and the life-span of pump.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model structural drawing;
Fig. 2 is the A portion enlarged view of Fig. 1;
Fig. 3 is the B portion enlarged view of Fig. 1;
Fig. 4 is the C portion enlarged view of Fig. 1.
Embodiment
As shown in Figure 1: the utility model is a kind of Novel major axis pump, its basic structure is identical with existing long-shaft pump with effect, comprises motor 1, pump shaft 2, impeller 3, space guide vane body 4, motor cabinet 11, pump holder 5, and connecting tube 6 (by upper connecting tube 61, middle connecting tube 62, second line of a couplet adapter 63 combines), the parts such as pillar 7 (by upper pillar 71, middle pillar 72, lower pillar 73 combines).
The output shaft of motor 1 connects with coupling with end on pump shaft 2, and pump shaft 2 lower end is provided with impeller 3, and pump shaft 2 can be whole, also can be that several sections of pump shafts are connected by coupling 21.Motor 1 is arranged on motor cabinet 11, installation pump bearing 5 below motor cabinet 11, be fixed with the upper end of upper connecting tube 61 in the mode of Flange joint below pump holder 5, second line of a couplet adapter 63 lower end is fixed with the space guide vane body 4 with cavity 41 and runner 42, impeller 3 is positioned at space guide vane body 4, is provided with sealing between space guide vane body 4 and pump shaft 2.
Pump holder 5 is provided with bearing support 91, the lower end of second line of a couplet adapter 63 is provided with bearing support 94, bearing housing in above-mentioned bearing support 91,94 is located at outside pump shaft 2, sealing is provided with between bearing support 91,94 and pump shaft 2, be arranged with pillar 7 outside pump shaft 2, the upper end of pillar 7 and lower end are sheathed to be respectively fixed on above-mentioned bearing support 91,94; Space between pillar 7 and connecting tube 6 forms connecting tube runner 60, and the upper end of connecting tube runner 60 is communicated with the threeway waterpower component 52 in pump holder 5, the lower end of connecting tube runner 60 and runner 42 UNICOM of space guide vane body 4;
The utility model improves in three:
First:
As shown in Figure 2: connecting tube 6 can be divided into two or more, be divided into three sections here, upper connecting tube 61, middle connecting tube 62, second line of a couplet adapter 63, the upper and lower end of every section of connecting tube is respectively equipped with flange 68.Between upper connecting tube 61 and middle connecting tube 62, there is bearing support 92, between middle connecting tube 62 and second line of a couplet adapter 63, there is bearing support 93, bearing housing set in bearing support 92 is located at outside pump shaft 2, be provided with skeleton-type oil seal between bearing support 92 and pump shaft 2 and seal 100, flange seam set on the flange 68 that the underpart of upper connecting tube 61 has and the bearing support seam set by bearing support 92 cooperatively interact and plug and locate and become D portion structure, flange seam set on the flange 68 that the upper end portion of middle connecting tube 62 has and the bearing support seam set by bearing support 92 cooperatively interact and plug.The flange 68 that the upper end portion with flange 68 that underpart that bolt group 69 connects upper connecting tube 61 has and middle connecting tube 62 has and connecting tube 61 and middle connecting tube 62 are connected, bolt group 69 connects makes connecting tube 61 and middle connecting tube 62 clamp middle bearing support 92, thus bearing support 92 is fixed between connecting tube 61 and middle connecting tube 62, is provided with sealing gasket 101 between the flange 68 that upper connecting tube 61 end has and bearing support 92 and realizes connecting tube runner 60 and extraneous sealing; To there being one section of pillar 71 in upper connecting tube 61, to there being pillar 72 in a section in middle connecting tube 62, to there being one section of lower pillar 73 in second line of a couplet adapter 63, also three sections of pillars are namely had, on the bearing support 92,93 of the correspondence above and below two ends of middle pillar 72 are set in respectively, be provided with seal ring 102 between middle pillar 72 and bearing support 92 and realize the sealing of connecting tube runner 60 and pillar 7 inside.
Above-described structure is also useful in the connection of middle connecting tube 62 and second line of a couplet adapter 62, when multistage connecting tube, linkage structure between adjacent connecting tube and sealing configuration are the same, and the structure between adjacent pillar is also the same. the linkage structure between connecting tube, pillar, pump shaft and sealing configuration are also the same.；
Form relatively independent ground long-shaft pump segmentation fixed connection apparatus structure thus.
Above-mentioned improvement can realize modular multistage connecting tube structure, and when needing the entire length changing pump product, production, installation, dismounting, maintenance etc. are all very convenient.
Secondly:
As shown in Figure 3: pump holder 5 comprises support cylinder 51 and threeway waterpower component 52, described threeway waterpower component 52 is made up of with the right circular cylinder 54,55,56 being connected to three ports the hydraulic flow line structure main body 53 with three ports, hydraulic flow line structure main body 53 and three right circular cylinders 54,55,56 one-body molded, the port of three right circular cylinders 54,55,56 is respectively entrance point port, outlet end port, driving end port, its entrance point port welded and installed flange 541, outlet end port welding outlet adpting flange 551; Supporting cylinder 51 is welded on mounting flange 541 upper-end surface, and threeway waterpower component 52 is placed in supporting cylinder 51, and outlet end port extends to outside supporting cylinder 51; Supporting cylinder 51 top is welded with bearing block flange 511; Above-mentioned mounting flange 541 is connected with bolt group with the flange 68 of upper connecting tube 61 upper end, and bearing block flange 511 is connected with bolt group with the flange of motor cabinet 11 lower end.
Vertical reinforcement gusset 57 outside supporting cylinder 51 is fixed between mounting flange 541 and bearing block flange 511, and cross reinforcing plate 58 is fixed between supporting cylinder 51 and driving end port.
Above-mentioned improvement can modularized production threeway waterpower component 52, can ensure that pump holder 5 has best hydraulic flow line structure, and miscellaneous part adopts the structure be welded and fixed to reduce cost of production.The port specification when pump of same or similar hydraulic performance connects with threeway waterpower component 52 is identical, just port distance is different, therefore by the right circular cylinder 54,55,56 of three ports at threeway waterpower component 52, welding one section or shortening right circular cylinder 54,55,56 change length E, F, G of waterpower threeway port in addition, do not need to manufacture the threeway waterpower component 52 adapted in addition, therefore this pump holder goes for the pump of all same or similar hydraulic performances, reduces user cost.
Last:
As shown in Figure 4: between space guide vane body 4 and pump shaft 2, be provided with multiple skeleton-type oil seal 103 and in-flow single end face self-balancing mechanical sealing 104, pump shaft 2 is provided with sub-propeller 31, sub-propeller 31 is positioned at the cavity 41 of space guide vane body 4, and the position of sub-propeller 31 between impeller 4 and motor 1, impeller 3 offers through hole 30 as impeller backflow equalizing orifice along the axial direction of pump shaft 2, and this through hole 30 is connected with the cavity 41 in space guide vane body 4.
Impeller backflow equalizing orifice and sub-propeller have balance impeller and reduce the fluid pressure effect of mechanical seal chamber.In-flow single end face self-balancing mechanical sealing makes full use of the intrusion that self-equilibrium characteristic effectively can keep also reducing the sealing of pump shaft liquid slag thing simultaneously, and does not affect by axle sense of rotation; Multiple outside framework oil seal can to structure interval and possible sealing along the residual leaching liquid of axle, thus effectively prevent liquid to the etch in bearing support.Effective like this liquid that prevents enters bearing chamber, guarantees the safe handling of bearing, improves monolithic stability and the life-span of pump.
Claims (4)
1. a Novel major axis pump, comprises motor, and the output shaft of motor connects with end on pump shaft, and pump shaft lower end is provided with impeller; Motor is arranged on motor cabinet, installation pump bearing below motor cabinet, is fixed with the upper end of connecting tube below pump holder, connecting tube lower end is fixed with the space guide vane body with cavity and runner, impeller is positioned at space guide vane body, is provided with sealing between space guide vane body and pump shaft; Pump holder is provided with bearing support, the lower end of connecting tube is provided with bearing support, and the bearing housing in above-mentioned bearing support is located at outside pump shaft, is provided with sealing between bearing support and pump shaft, be arranged with pillar outside pump shaft, the upper end of pillar and lower end are sheathed to be respectively fixed on above-mentioned bearing support; Space between pillar and connecting tube forms connecting tube runner, and the upper end of connecting tube runner is communicated with the threeway waterpower component in pump holder, the lower end of connecting tube runner and the runner UNICOM of space guide vane body; It is characterized in that: described connecting tube is two or more, between adjacent connecting tube, there is bearing support, bearing housing set in bearing support is located at outside pump shaft, sealing is provided with between bearing support and pump shaft, flange seam set on the flange that connecting tube end has and the bearing support seam set by bearing support cooperatively interact and plug and locate, there is flange that the adjacent connecting tube end of bolt connections has and adjacent connecting tube is connected and makes bearing block be fixed between adjacent connecting tube, between the flange that connecting tube end has and bearing support, being provided with sealing gasket; To there being one section of pillar in every section of connecting tube, the end of pillar is set on corresponding bearing support respectively, is provided with seal ring between pillar and bearing support; Mechanical seal or skeleton-type oil seal is sealed between above-mentioned bearing support and pump shaft; Form relatively independent ground long-shaft pump segmentation fixed connection apparatus structure thus.
2. a kind of Novel major axis pump as claimed in claim 1, it is characterized in that: pump holder comprises support cylinder and threeway waterpower component, described threeway waterpower component is made up of with the right circular cylinder being connected to three ports the hydraulic flow line structure main body with three ports, hydraulic flow line structure main body and three right circular cylinders one-body molded, the port of three right circular cylinders is respectively entrance point port, outlet end port, driving end port, its entrance point port welded and installed flange, outlet end port welding outlet adpting flange; Supporting cylinder is welded on mounting flange upper-end surface, and threeway waterpower component is placed in supporting cylinder, and outlet end port extends to outside supporting cylinder; Supporting cylinder top is welded with bearing block flange; Above-mentioned mounting flange is connected with bolt group with the flange of connecting tube upper end, and bearing block flange is connected with bolt group with the flange of motor cabinet lower end.
3. a kind of Novel major axis pump as claimed in claim 2, is characterized in that: the vertical reinforcement gusset outside supporting cylinder is fixed between mounting flange and bearing block flange, and cross reinforcing plate is fixed between supporting cylinder and driving end port.
4. a kind of Novel major axis pump as claimed in claim 1, it is characterized in that: between space guide vane body and pump shaft, be provided with skeleton-type oil seal and mechanical seal, pump shaft is provided with sub-propeller, sub-propeller is positioned at the cavity of space guide vane body, and the position of sub-propeller between impeller and motor, axial direction along pump shaft on impeller offers through hole, and this through hole is connected with the cavity in space guide vane body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377282.7U CN204677507U (en) | 2015-06-03 | 2015-06-03 | A kind of Novel major axis pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377282.7U CN204677507U (en) | 2015-06-03 | 2015-06-03 | A kind of Novel major axis pump |
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| Publication Number | Publication Date |
|---|---|
| CN204677507U true CN204677507U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377282.7U Active CN204677507U (en) | 2015-06-03 | 2015-06-03 | A kind of Novel major axis pump |
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| Country | Link |
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| CN (1) | CN204677507U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570099A (en) * | 2015-12-15 | 2016-05-11 | 武汉船用机械有限责任公司 | Deep-well pump |
| CN108223396A (en) * | 2017-12-11 | 2018-06-29 | 中国水利水电科学研究院 | A kind of high-precision water pump bath scaled model experimental device |
| CN111765098A (en) * | 2020-07-22 | 2020-10-13 | 广东瑞荣泵业有限公司 | Sectional submersible pump for well |
-
2015
- 2015-06-03 CN CN201520377282.7U patent/CN204677507U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570099A (en) * | 2015-12-15 | 2016-05-11 | 武汉船用机械有限责任公司 | Deep-well pump |
| CN105570099B (en) * | 2015-12-15 | 2017-12-15 | 武汉船用机械有限责任公司 | A kind of deep well pump |
| CN108223396A (en) * | 2017-12-11 | 2018-06-29 | 中国水利水电科学研究院 | A kind of high-precision water pump bath scaled model experimental device |
| CN108223396B (en) * | 2017-12-11 | 2024-04-26 | 中国水利水电科学研究院 | High-precision water pump model experimental device |
| CN111765098A (en) * | 2020-07-22 | 2020-10-13 | 广东瑞荣泵业有限公司 | Sectional submersible pump for well |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |