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CN105257552A - Ultra-light strong self-suction pump set - Google Patents

Ultra-light strong self-suction pump set Download PDF

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Publication number
CN105257552A
CN105257552A CN201510650842.6A CN201510650842A CN105257552A CN 105257552 A CN105257552 A CN 105257552A CN 201510650842 A CN201510650842 A CN 201510650842A CN 105257552 A CN105257552 A CN 105257552A
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CN
China
Prior art keywords
pump
strong self
self priming
contained
type strong
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510650842.6A
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Chinese (zh)
Inventor
李锦泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI AOYI PUMP MANUFACTURING Co Ltd
Original Assignee
SHANGHAI AOYI PUMP MANUFACTURING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI AOYI PUMP MANUFACTURING Co Ltd filed Critical SHANGHAI AOYI PUMP MANUFACTURING Co Ltd
Priority to CN201510650842.6A priority Critical patent/CN105257552A/en
Publication of CN105257552A publication Critical patent/CN105257552A/en
Pending legal-status Critical Current

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Abstract

The invention provides an ultra-light strong self-suction pump set which has multiple configurations. For one configuration, a special permanent magnet motor variable frequency controller is arranged, a high-speed permanent magnet variable frequency motor stator winding is adopted, the weight of the self-suction pump set is reduced by about 80% compared with that of a self-suction pump of the same power, and the size of the self-suction pump set is reduced by about 75% compared with that of the self-suction pump of the same power. For the other configuration, a special three-phase asynchronous motor stator winding is arranged, the weight is reduced by about 50% compared with that of the self-suction pump of the same power, and the size is reduced by about 50% compared with that of the self-suction pump of the same power. A water outlet part of an ultra-light strong self-suction pump body is connected by a fast-mounting head and can be connected with a universal fire hose, an on-site quick application function is achieved, and the water outlet speed can be increased by about 80%. An impeller is made of whole special stainless steel materials and is of a special opening exocentric structure so as to be suitable for mild sewage, or the impeller is of a spiral band cutting exocentric structure so as to be suitable for severe sewage. The ultra-light strong self-suction pump set has the characteristics of being small in size, low in weight, high in efficiency, resistant to abrasion and corrosion, long in service life and the like, and can be widely applied to flood-fighting, emergency rescues, flood drainage, fire protection, irrigation and the like.

Description

A kind of surperlight type Strong self priming pump group
Technical field
The invention belongs to a kind of surperlight type Strong self priming pump group, is a kind of electromechanical integration movable pump station equipment.
Background technique
The close like product of the present invention is common self-priming pump, has the shortcomings such as Heavy Weight, volume is large, efficiency is low, movement is difficult.Even product immediate with the present invention, as mechanical vacuum paving helps water diversion apparatus, the structure adopted because of it is single, and existence can not automatic control, manual operation to start shooting, shutdown, and diversion successfully can not autostop, the shortcomings such as power consumption is many.Assist used is heavier, be not as advanced as Electric automatic control.
Summary of the invention
The object of the invention is to:
A kind of surperlight type Strong self priming pump group is provided, this pump group and high-speed permanent magnet motor, (general rotating speed can control in 5000 turns per minute special magneto frequency-variable controller respectively, in 4000 turns or in 3000 turns, can match according to actual needs, and configure the adjustable special converter of high low speed and control) and the ingenious combination of strong self-priming vacuum assist system, make it not only have the function of strong self-priming, and have that high-speed permanent magnet motor efficiency is high, the performance such as volume special little, flow large, ultra lightweight.The pump housing and overcurrent part all adopt stainless steel, not only have lightweight function, also have wear-resisting, corrosion-resistant, durable feature.
A kind of surperlight type Strong self priming pump group is provided, this pump group and special asynchronous motor and the ingenious combination of strong self-priming vacuum assist system, make it not only have the function of strong self-priming, and there is the performances such as versatility is high, cost is low, easy to use, efficiency is high, small volume, flow large, lighter in weight.
The ingenious combination of a kind of surperlight type self-priming pump and high-speed permanent magnet motor and special magneto frequency-variable controller is provided, make it not only have the function of strong self-priming, and have that high-speed permanent magnet motor efficiency is high, the performance such as the large and volume super-lightweight ultralight (because not being with strong self-priming vacuum assist system) of flow.
The present invention is achieved in that a kind of surperlight type Strong self priming pump group, comprise: the surperlight type Strong self priming pump pump housing, to remove contamination lid, discharging valve, impeller nut, open type cutting impeller, induction type is popped one's head in, mechanical float ball valve, automatic control water diversion device assembly, vacuum gauge, fast exit, outlet non-return valve side, vacuum oil-in-water separator, vacuum pump group, automatic control box, outside framework oil seal, machine envelope inner cap, mechanical seal, YZW extraction cable, fore bearing, Water-cooling circulating return pipe, the light-duty stainless steel motor casing of double layer hollow formula, motor stator winding, permanent magnet machine rotor group, pump shaft, rear bearing, rear stifle, permanent-magnetic variable-frequency controller, Water-cooling circulating intake pipe, base, key, No. 10 machine oil, closed pump cover, rapid pipe joint, connect clip soon and add water cover.
Described rapid pipe joint is with connecing the inlet end of collar clamped at the described surperlight type Strong self priming pump pump housing soon, and the upper water-out mouth end of the described surperlight type Strong self priming pump pump housing is connected with described fast exit, in-built outlet non-return valve side.The surperlight type Strong self priming pump pump housing is fixed on base.
One end of described closed pump cover is connected with the surperlight type Strong self priming pump pump housing, the other end and double layer hollow formula light-duty stainless steel motor casing affixed.Installation envelope inner cap and fore bearing in closed pump cover, rear bearing is contained in the light-duty stainless steel motor casing of double layer hollow formula.Described mechanical seal and No. 10 machine oil, be all contained between machine envelope inner cap and closed pump cover.Described outside framework oil seal is contained in machine envelope and covers.
Described motor stator winding, permanent magnet machine rotor group and pump shaft are all contained in the light-duty stainless steel motor casing of double layer hollow formula.
Described Water-cooling circulating intake pipe one end is contained on closed pump cover, and the other end is contained on double layer hollow formula light-duty stainless steel motor casing shell.Described Water-cooling circulating return pipe one end is contained in above the water intake of surperlight type Strong self priming pump pump housing upper end, and the other end is contained in the back upper place of the light-duty stainless steel motor casing of double layer hollow formula.
Described automatic control water diversion device assembly is contained in above the water intake of the surperlight type Strong self priming pump pump housing, and one end of described vacuum oil-in-water separator is connected with automatic control water diversion device assembly, and the other end is connected with vacuum pump group pipeline.Described vacuum pump group connects automatic control box.Described induction type probe, mechanical float ball valve are all contained in automatic control water diversion device assembly.Described vacuum gauge is contained on automatic control water diversion device assembly top cover.
Described open type cutting impeller is fixed on described pump shaft by key, tight with impeller nut And.Open type cutting impeller one end is stuck in machine envelope inner cap, and the other end water sucking mouth fits in the surperlight type Strong self priming pump pump housing.
Pump water section and adopt clamp type quick connector, can be connected with fire-extinguisher water hose and use, other Placement can also be matched according to actual needs, as fire-fighting ready-packaged joint connection etc., there is the function of on-the-spot application fast.The water inlet portion of pump also adopts clamp type quick connector, but the pipe of resistance to negative pressure need can be connected and use with steel wire bellows etc.
Described YZW extraction cable, within the form of upper outlet be contained on closed pump cover, interior lines are connected with motor stator winding, and extraction outside line is connected with configuring with under type:
1). the pump of joining high-speed permanent magnet motor repeatedly must be connected with special permanent-magnetic variable-frequency controller;
2). the pump of joining asynchronous motor is connected or across-the-line starting with frequency-variable controller.
Described adding water mounts cover in surperlight type Strong self priming pump pump housing upper end, and described rear stifle is contained in surperlight type Strong self priming pump pump housing rear end, the below of water intake.Described discharging valve is contained in the below of surperlight type Strong self priming pump pump housing rear end, described in remove contamination and mount cover above discharging valve.
The described surperlight type Strong self priming pump pump housing adopts stainless steel; Described impeller adopts special overall stainless steel.Described impeller adopts special overall stainless steel, by special open type exocentric structure, is applicable to slight sewage, or adopts hurricane band cutting exocentric structure, is applicable to comparatively severe sewage.
Beneficial effect of the present invention: the present invention adopts the surperlight type Strong self priming pump group of high-speed permanent magnetic variable-frequency motor and nonshared control unit, reduces about 80% than same power self-priming pump weight, and volume reduces about 75%.The threephase asynchronous machine staor winding that another kind of outfit is special, reduce about 50% than same power self-priming pump weight, volume reduces about 50%.Pump water section and adopt clamp type quick connector, there is the function of on-the-spot application fast, improve and water speed about 80%.The present invention has lightweight, the feature such as flow is large, volume is little, efficiency is high, conveniently moving (general 30KW weight is within 80kg), can be widely used in the occasions such as flood-fighting, water drainage, fire-fighting, irrigation.
Accompanying drawing explanation
Fig. 1 surperlight type Strong self priming pump group structural drawing;
Fig. 2 surperlight type Strong self priming pump group side view;
Fig. 3 surperlight type Strong self priming pump structural drawing.
Embodiment
Mode of execution below in conjunction with accompanying drawing is described in further detail the present invention:
One of embodiment of the present invention, as Fig. 1, a kind of surperlight type Strong self priming pump group shown in 2, it comprises: the surperlight type Strong self priming pump pump housing 1, to remove contamination lid 2, discharging valve 3, impeller nut 4, open type cutting impeller 5, induction type probe 6, mechanical float ball valve 7, automatic control water diversion device assembly 8, vacuum gauge 9, fast exit 10, outlet non-return valve side 11, vacuum oil-in-water separator 12, vacuum pump group 13, automatic control box 14, outside framework oil seal 15, machine envelope inner cap 16, mechanical seal 17, YZW extraction cable 18, fore bearing 19, Water-cooling circulating return pipe 20, the light-duty stainless steel motor casing 21 of double layer hollow formula, motor stator winding 22, permanent magnet machine rotor group 23, pump shaft 24, rear bearing 25, rear stifle 26, permanent-magnetic variable-frequency controller 27, Water-cooling circulating intake pipe 28, base 29, key 30, No. 10 machine oil 31, closed pump cover 32, rapid pipe joint 33, connect clip 34 soon and add water cover 35.
Described rapid pipe joint 33 is with connecing the inlet end that clip 34 is fixed tightly in the described surperlight type Strong self priming pump pump housing 1 soon; The upper water-out mouth end of the described surperlight type Strong self priming pump pump housing 1 is connected with described fast exit 10, and in-built outlet non-return valve side 11, the surperlight type Strong self priming pump pump housing 1 is fixed on base 29.
One end of described closed pump cover 32 is connected with the surperlight type Strong self priming pump pump housing 1, the other end and double layer hollow formula light-duty stainless steel motor casing 21 affixed.Installation envelope inner cap 16 and fore bearing 19 in closed pump cover 32, described rear bearing 25 is contained in the light-duty stainless steel motor casing 21 of double layer hollow formula.Described mechanical seal 17 and No. 10 machine oil 31, be all contained between machine envelope inner cap 16 and closed pump cover 32, and described outside framework oil seal 15 is contained on machine envelope inner cap 16.
Described motor stator winding 22, permanent magnet machine rotor group 23 and pump shaft 24 are all contained in the light-duty stainless steel motor casing 21 of double layer hollow formula.
Described Water-cooling circulating intake pipe 28 one end is contained on closed pump cover 32, and the other end is contained on double layer hollow formula light-duty stainless steel motor casing 21 shell.Described Water-cooling circulating return pipe 20 one end is contained in above the water intake of the surperlight type Strong self priming pump pump housing 1 upper end, and the other end is contained in the back upper place of the light-duty stainless steel motor casing 21 of double layer hollow formula.
Described automatic control water diversion device assembly 8 is contained in above the water intake of the surperlight type Strong self priming pump pump housing 1, and one end of described vacuum oil-in-water separator 12 is connected with automatic control water diversion device assembly 8, and the other end is connected with pipeline with vacuum pump group 13.Described vacuum pump group 13 connects automatic control box 14, and described induction type probe 6, mechanical float ball valve 7 are all contained in automatic control water diversion device assembly 8, and described vacuum gauge 9 is contained on automatic control water diversion device assembly 8 top cover.
Described open type cutting impeller 5 is fixed on described pump shaft 24 by key 30, tight with impeller nut 4 And.Open type cutting impeller 5 one end is stuck in machine envelope inner cap 16, and the other end water sucking mouth fits in the surperlight type Strong self priming pump pump housing 1.
Described rapid pipe joint 33 can be connected with fire-extinguisher water hose and uses.
Described YZW extraction cable 18, within the form of upper outlet be contained on closed pump cover 32, interior lines are connected with motor stator winding 22, and extraction outside line is connected with configuring with under type:
1). the pump of joining high-speed permanent magnet motor repeatedly must be connected with special permanent-magnetic variable-frequency controller;
2). the pump of joining asynchronous motor is connected or across-the-line starting with frequency-variable controller.
The described water cover 35 that adds is contained in the fore-telling surperlight type Strong self priming pump pump housing 1 upper end, and described rear stifle 26 is contained in the surperlight type Strong self priming pump pump housing 1 rear end, the below of water intake.Described discharging valve 3 is contained in the below of the surperlight type Strong self priming pump pump housing 1 rear end, described in lid 2 of removing contamination be contained in above discharging valve 3.
The described surperlight type Strong self priming pump pump housing 1 adopts stainless steel.
Described impeller 5 adopts special overall stainless steel, by special open type exocentric structure, is applicable to slight sewage, or adopts hurricane band cutting exocentric structure, is applicable to comparatively severe sewage.
Embodiment of the present invention two, a kind of surperlight type Strong self priming pump as shown in Figure 3, comprise: the surperlight type Strong self priming pump pump housing 1, to remove contamination lid 2, discharging valve 3, impeller nut 4, open type cutting impeller 5, fast exit 10, outlet non-return valve side 11, outside framework oil seal 15, machine envelope inner cap 16, mechanical seal 17, YZW extraction cable 18, fore bearing 19, Water-cooling circulating return pipe 20, the light-duty stainless steel motor casing 21 of double layer hollow formula, motor stator winding 22, permanent magnet machine rotor group 23, pump shaft 24, rear bearing 25, rear stifle 26, permanent-magnetic variable-frequency controller 27, Water-cooling circulating intake pipe 28, base 29, key 30, No. 10 machine oil 31, closed pump cover 32, rapid pipe joint 33, connect clip 34 soon and add water cover 35.
The difference of surperlight type Strong self priming pump and surperlight type Strong self priming pump group is: surperlight type Strong self priming pump is not with strong self-priming vacuum assist system: induction type pops one's head in 6, mechanical float ball valve 7, automatic control water diversion device assembly 8, vacuum gauge 9 and vacuum oil-in-water separator 12, vacuum pump group 13, automatic control box 14, make it not only have the function of strong self-priming, and have that versatility is high, cost is low, easy to use, the feature such as small volume, lighter in weight.
Surperlight type Strong self priming pump group of the present invention is not limited to above embodiment, and the change that those skilled in the art make unsubstantiality all falls into protection scope of the present invention.

Claims (9)

1. a surperlight type Strong self priming pump group, comprising: the surperlight type Strong self priming pump pump housing (1), to remove contamination lid (2), discharging valve (3), impeller nut (4), open type cutting impeller (5), induction type probe (6), mechanical float ball valve (7), automatic control water diversion device assembly (8), vacuum gauge (9), fast exit (10), outlet non-return valve side (11), vacuum oil-in-water separator (12), vacuum pump group (13), automatic control box (14), outside framework oil seal (15), machine envelope inner cap (16), mechanical seal (17), YZW extraction cable (18), fore bearing (19), Water-cooling circulating return pipe (20), the light-duty stainless steel motor casing (21) of double layer hollow formula, motor stator winding (22), permanent magnet machine rotor group (23), pump shaft (24), rear bearing (25), rear stifle (26), permanent-magnetic variable-frequency controller (27), Water-cooling circulating intake pipe (28), base (29), key (30), No. 10 machine oil (31), closed pump cover (32), rapid pipe joint (33), connect clip (34) soon and add water cover (35), it is characterized in that:
Described rapid pipe joint (33) is with connecing the inlet end that clip (34) is fixed tightly in the described surperlight type Strong self priming pump pump housing (1) soon; The upper water-out mouth end of the described surperlight type Strong self priming pump pump housing (1) is connected with described fast exit (10), in-built outlet non-return valve side (11); The surperlight type Strong self priming pump pump housing (1) is fixed on base (29);
One end of described closed pump cover (32) is connected with the surperlight type Strong self priming pump pump housing (1), the other end and double layer hollow formula light-duty stainless steel motor casing (21) affixed; Installation envelope inner cap (16) and fore bearing (19) in closed pump cover (32), described rear bearing (25) is contained in the light-duty stainless steel motor casing (21) of double layer hollow formula; Described mechanical seal (17) and No. 10 machine oil (31), be all contained between machine envelope inner cap (16) and closed pump cover (32); Described outside framework oil seal (15) is contained on machine envelope inner cap (16);
Described motor stator winding (22), permanent magnet machine rotor group (23) and pump shaft (24) are all contained in the light-duty stainless steel motor casing (21) of double layer hollow formula;
Described Water-cooling circulating intake pipe (28) one end is contained on closed pump cover (32), and the other end is contained on double layer hollow formula light-duty stainless steel motor casing (21) shell; Described Water-cooling circulating return pipe (20) one end is contained in above the water intake of the surperlight type Strong self priming pump pump housing (1) upper end, and the other end is contained in the back upper place of the light-duty stainless steel motor casing (21) of double layer hollow formula.
2. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: described automatic control water diversion device assembly (8) is contained in above the water intake of the surperlight type Strong self priming pump pump housing (1); One end of described vacuum oil-in-water separator (12) is connected with automatic control water diversion device assembly (8), and the other end is connected with pipeline with vacuum pump group (13); Described vacuum pump group (13) connects automatic control box (14); Described induction type probe (6), mechanical float ball valve (7) are all contained in automatic control water diversion device assembly (8), and described vacuum gauge (9) is contained on automatic control water diversion device assembly (8) top cover.
3. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: described open type cutting impeller (5) is fixed on described pump shaft (24) by key (30), tight with impeller nut (4) And; Open type cutting impeller (5) one end is stuck in machine envelope inner cap (16), and the other end water sucking mouth fits in the surperlight type Strong self priming pump pump housing (1).
4. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: described rapid pipe joint (33) can be connected with fire-extinguisher water hose and uses.
5. a kind of surperlight type Strong self priming pump group according to claim 1, it is characterized in that: described YZW extraction cable (18), within the form of upper outlet be contained on closed pump cover (32), interior lines are connected with motor stator winding (22), and extraction outside line is connected with configuring with under type:
1). the pump of joining high-speed permanent magnet motor repeatedly must be connected with special permanent-magnetic variable-frequency controller;
2). the pump of joining asynchronous motor is connected or across-the-line starting with frequency-variable controller.
6. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: described in add water cover (35) and be contained in the surperlight type Strong self priming pump pump housing (1) upper end; Described rear stifle (26) is contained in the surperlight type Strong self priming pump pump housing (1) rear end, the below of water intake; Described discharging valve (3) is contained in the below of the surperlight type Strong self priming pump pump housing (1) rear end, described in remove contamination lid (2) be contained in discharging valve (3) top.
7. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: the described surperlight type Strong self priming pump pump housing (1) adopts stainless steel.
8. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: the special open type exocentric structure of described impeller (5), adopts special overall stainless steel material.
9. a kind of surperlight type Strong self priming pump group according to claim 1, is characterized in that: described impeller (5) special hurricane band cutting exocentric structure, adopts special overall stainless steel.
CN201510650842.6A 2015-10-10 2015-10-10 Ultra-light strong self-suction pump set Pending CN105257552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510650842.6A CN105257552A (en) 2015-10-10 2015-10-10 Ultra-light strong self-suction pump set

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Application Number Priority Date Filing Date Title
CN201510650842.6A CN105257552A (en) 2015-10-10 2015-10-10 Ultra-light strong self-suction pump set

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Publication Number Publication Date
CN105257552A true CN105257552A (en) 2016-01-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106640680A (en) * 2016-11-30 2017-05-10 江苏振华泵业股份有限公司 Electric self-suction fire pump
CN107588009A (en) * 2017-10-24 2018-01-16 淄博博瑞泵业科技有限公司 The reverse clutch automatic control pump group of vacuum

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001304170A (en) * 2000-04-28 2001-10-31 Kubota Corp Submerged pump
CN103603806A (en) * 2013-11-15 2014-02-26 上海奥一泵业制造有限公司 Strong self-sucking double-suction pump
CN203856731U (en) * 2014-04-23 2014-10-01 上海奥一泵业制造有限公司 Improved strong self-suction double-suction type self-suction pump
CN204299891U (en) * 2014-12-03 2015-04-29 上海奥一泵业制造有限公司 Microlight-type high-speed permanent magnetic frequency conversion type stainless steel submersible pump
CN205001214U (en) * 2015-10-10 2016-01-27 上海奥一泵业制造有限公司 Microlight -type strong self -priming pump group

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001304170A (en) * 2000-04-28 2001-10-31 Kubota Corp Submerged pump
CN103603806A (en) * 2013-11-15 2014-02-26 上海奥一泵业制造有限公司 Strong self-sucking double-suction pump
CN203856731U (en) * 2014-04-23 2014-10-01 上海奥一泵业制造有限公司 Improved strong self-suction double-suction type self-suction pump
CN204299891U (en) * 2014-12-03 2015-04-29 上海奥一泵业制造有限公司 Microlight-type high-speed permanent magnetic frequency conversion type stainless steel submersible pump
CN205001214U (en) * 2015-10-10 2016-01-27 上海奥一泵业制造有限公司 Microlight -type strong self -priming pump group

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
全国化工设备设计技术中心站: "《工业泵推荐产品样本》", 31 January 2004 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106640680A (en) * 2016-11-30 2017-05-10 江苏振华泵业股份有限公司 Electric self-suction fire pump
CN107588009A (en) * 2017-10-24 2018-01-16 淄博博瑞泵业科技有限公司 The reverse clutch automatic control pump group of vacuum

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Application publication date: 20160120