CN201723460U - Variable frequency high speed wet-type submersible pump - Google Patents

Variable frequency high speed wet-type submersible pump Download PDF

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Publication number
CN201723460U
CN201723460U CN2010202187109U CN201020218710U CN201723460U CN 201723460 U CN201723460 U CN 201723460U CN 2010202187109 U CN2010202187109 U CN 2010202187109U CN 201020218710 U CN201020218710 U CN 201020218710U CN 201723460 U CN201723460 U CN 201723460U
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China
Prior art keywords
impeller
motor
submersible pump
type submersible
speed wet
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Expired - Lifetime
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CN2010202187109U
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Chinese (zh)
Inventor
孔繁余
罗鹏
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Jiangsu University
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Jiangsu University
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Publication of CN201723460U publication Critical patent/CN201723460U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a variable frequency high speed wet-type submersible pump relating to a fluid mechanical submersible pump. The variable frequency high speed wet-type submersible pump comprises a base (1), an impeller (3), guide blades (4), a back pump cover (5), a front sliding bearing (6), a pushing plate (7), a motor, a back sliding bearing (11), a back end cover (12), an outlet flange (14), an inducer (2), an assistant impeller (10), a filtering device (15) and a cooling pipeline (16). The impeller (3) is connected with a motor shaft, the form of the impeller (3) is a part shunting structure or a centrifugal structure, the front end of the impeller (3) is provided with a variable pitch inducer (2), the outlet of the impeller (3) is provided with the guide blades (4); the motor uses a variable frequency motor. The variable frequency high speed wet-type submersible pump is a new industrial pump with small volume, light weight, high head of delivery, high efficiency and wide performance range, thereby being used for mine production drainage, rescue drainage and emergent drainage of other places.

Description

Frequency conversion high-speed wet type submersible pump
Technical field
The utility model relates to the fluid machinery submersible pump, refers in particular to frequency conversion high-speed wet type submersible pump, is used for the emergent draining in mine production draining, permeable rescue draining and other places.
Background technique
At present, common mining diving pump is linked together by Water hyperbaric diving motor and multistage centrifugal pump, and whole unit volume is big, and weight is big, and installation and transportation are very inconvenient; The cooling of paddling of the outer shell of motor, weak effect, working life is short; The rotating speed of pump is fixed, so serviceability limitation is narrow, is difficult to satisfy the requirement of mine drainage.Chinese patent CN2702095, the patent No. 200320109940.1, the new type mining submersible pump discloses a kind of novel mining diving pump, mainly unit and the sealing cover of being made up of motor, the pump housing formed, have simple in structure, volume is less relatively, the characteristics that weight is lighter, but its motor adopts Y series ground surface motor, the cooling effect of motor is relatively poor, working life is short, and motor can not be realized speed governing, and the pump operation performance range is narrow.
Summary of the invention
Technical problem to be solved in the utility model is to overcome big, the shortcomings such as weight is big, lift is low, performance range is narrow, motor cooling effect difference of volume that existing common mining diving pump exists, a kind of frequency conversion high-speed wet type submersible pump has been proposed, realized the high speed operation of submersible pump, volume, the weight of unit have been reduced, satisfy requirement high-lift, the service behaviour wide ranges, improved the cooling effect of motor.
The utility model solves the scheme that its technical problem adopts: its structure is that single stage centrifugal pump and frequency conversion wet type electric motor are formed, adopted converter technique, improve the rotating speed of water pump, thereby improved the lift of water pump, make water pump vane by the multistage one-level that becomes, thereby reduced the axial dimension of the pump housing, alleviated the weight of unit.Variable-frequency motor has strengthened the speed adjustable range of rotating speed, and the service behaviour scope of water pump is broadened.Impeller front-end configuration Variable-pitch Inducers has reduced the cavitation of pump.Water pump rotor and rotor are integrated, and adopt coaxial configuration, have reduced the axial dimension of unit.The supporting of water pump assembly rotor, axially locating adopt sliding bearing and thrust disc, and are provided with the balance cylinder at impeller back cavity rear pump cover place, in order to balancing axial thrust.The cooling of motor and sliding bearing, the lubricated employing of thrust disc is self-circulation system independently, be provided with auxiliary impeller in guide bearing lower end, back, draw a part of working medium from the rear pump cover punching, introduce liquid-filter by cooling line, enter the cavity of rotor-end and rear end cover formation after the filtration again through cooling line, after the rotor specially center hole enters auxiliary impeller, increase the pressure of liquid circulation by auxiliary impeller, improve cooling liquid circuit speed, enter into the rotor chamber cooling motor at last, lubrication sliding bearing has improved the cooling of motor and the effect of sliding bearing lubricating, thus the working life of having improved motor.This motor is compared with the common electric machine that adopts the fan heat radiation, and equipment acoustic noise is low, vibration is little.
The utility model comprises base, inducer, impeller, stator, rear pump cover, front slide bearing, thrust disc, motor, auxiliary impeller, back sliding bearing, rear end cover, outlet(discharge) flange, liquid-filter, cooling line.Impeller links motor shaft, and impeller type is part streaming or centrifugal structure, is provided with Variable-pitch Inducers at the impeller front end, and impeller outlet is provided with stator.Motor adopts variable-frequency motor, and the power line of motor is arranged along the motor stator outer wall, and made waterproof sealing and handle.Rear pump cover is a reinforcing plate structure, and the impeller back cavity is provided with the balance cylinder; Offer on the rear pump cover one with the axial vertical through hole of motor shaft, through hole links to each other with cooling line; The other end of cooling line is provided with liquid-filter.Offer on the rear end cover one with the axial vertical through hole of motor shaft, through hole is connected with liquid-filter by cooling tube; The rear end of rotor is provided with auxiliary impeller, offers center hole at motor shaft near rear end cover one end and introduces auxiliary impeller.
The beneficial effects of the utility model are that frequency conversion high-speed wet type submersible pump has performances such as volume is little, in light weight, lift is high, serviceability limitation is wide, is applicable to the use of some special occasions such as mine production draining fully.
Description of drawings
Fig. 1 is a structural drawing of the present utility model
Among the figure, 1 base, 2 inducers, 3 impellers, 4 stators, 5 rear pump covers, 6 front slide bearings, 7 thrust discs, 8 rotors, 9 stators, 10 auxiliary impellers, 11 back sliding bearings, 12 rear end covers, 13 terminal boxes, 14 outlet(discharge) flanges, 15 liquid-filters, 16 cooling lines, 17 balance cylinders.
Embodiment
In conjunction with the accompanying drawings, further specify the utility model below.
The utility model comprises, base (1), impeller (3), stator (4), rear pump cover (5), preceding guide bearing (6), thrust disc (7), motor, back guide bearing (11), rear end cover (12), outlet(discharge) flange (14), the impeller of pump (3) links motor shaft, impeller (3) pattern is part streaming or centrifugal structure, be provided with Variable-pitch Inducers (2) at impeller (3) front end, impeller (3) outlet is provided with stator (4).
Fed sheet of a media locates to enter unit by unit lower end base (1), enters impeller (3) through Variable-pitch Inducers (2), and impeller (3) enters the runner that is made of stator outer wall and shell through stator (4) after discharging, and discharges through outlet(discharge) flange (14).
Motor adopts variable-frequency motor, and frequency is 50Hz-400Hz, and rotating speed is 2900r/min-21000r/min, and the power line of motor is arranged along motor stator (9) outer wall, and made waterproof sealing and handle.Rear pump cover (5) is a reinforcing plate structure, and impeller (3) back cavity is provided with balance cylinder (17).Offer on the rear pump cover (5) one with the axial vertical through hole of motor shaft, through hole links to each other with cooling line (16), the other end of cooling line (16) is provided with liquid-filter (15), liquid-filter (15) is wear resistant corrosion resistant cylinder of steel and cylinder of steel internal face lining filter screen structure.Offer on the rear end cover (12) one with the axial vertical through hole of motor shaft, through hole is connected with liquid-filter (15) by cooling tube.The upper end of rotor (8) is provided with auxiliary impeller (10), offers center hole at motor shaft near rear end cover (12) one ends and introduces auxiliary impeller (10).The sub-fraction of fed sheet of a media by the through hole on the rear pump cover (5) through cooling line (16) to liquid-filter (15), again by the through hole on the rear end cover (12), introduce auxiliary impeller (10) by the special center hole on the motor shaft, impeller (10) increases the pressure reduction of liquid circulation, improve the speed of liquid circulation, enter into rotor chamber then, enter balance cylinder (17) at last, flow into the through hole on the rear pump cover (5) once more, thereby form the cooling circuit of motor.Fed sheet of a media is lubricated guide bearing (6) and thrust disc (7) simultaneously in the cooling circuit.
Cooling line (16) is selected the steel pipe of whole wear resistant corrosion resistant for use.
Near the bearings at both ends position thrust disc (7) is set respectively in the rotor chamber on motor shaft, thrust disc (7) is to rotor (8) axially locating.
The ABAP Adapter that motor is provided is a variable-frequency power.
Each coupling member of pump assembly all should meet explosion-proof criteria.

Claims (6)

1. frequency conversion high-speed wet type submersible pump, comprise base (1), impeller (3), stator (4), rear pump cover (5), front slide bearing (6), thrust disc (7), motor, back sliding bearing (11), rear end cover (12), outlet(discharge) flange (14), it is characterized in that, also comprise, inducer (2), auxiliary impeller (10), liquid-filter (15), cooling line (16), described impeller (3) links motor shaft, impeller (3) pattern is part streaming or centrifugal structure, be provided with Variable-pitch Inducers (2) at described impeller (3) front end, described impeller (3) outlet is provided with stator (4);
Described motor adopts variable-frequency motor, and the power line of motor is arranged along motor stator (9) outer wall, and made waterproof sealing and handle; Described rear pump cover (5) is a reinforcing plate structure, and described impeller (3) back cavity is provided with balance cylinder (17); Offer on the described rear pump cover (5) one with the axial vertical through hole of motor shaft, through hole links to each other with cooling line (16); The other end of cooling line (16) is provided with liquid-filter (15); Offer on the described rear end cover (12) one with the axial vertical through hole of motor shaft, through hole is connected with liquid-filter (15) by cooling tube; The rear end of rotor (8) is provided with auxiliary impeller (10), offers center hole at motor shaft near rear end cover (12) one ends and introduces auxiliary impeller (10).
2. frequency conversion high-speed wet type submersible pump according to claim 1 is characterized in that, described electric machine frequency is 50Hz-400Hz, and rotating speed is 2900r/min-21000r/min.
3. frequency conversion high-speed wet type submersible pump according to claim 1 and 2 is characterized in that, described cooling line (16) is selected the steel pipe of whole wear resistant corrosion resistant for use.
4. frequency conversion high-speed wet type submersible pump according to claim 1 and 2 is characterized in that, near the bearings at both ends position thrust disc (7) is set respectively in the rotor chamber on described motor shaft, and thrust disc (7) is to rotor (8) axially locating.
5. frequency conversion high-speed wet type submersible pump according to claim 1 and 2 is characterized in that, the ABAP Adapter of the pump that described motor is provided is a variable-frequency power.
6. frequency conversion high-speed wet type submersible pump according to claim 1 and 2 is characterized in that, described liquid-filter (15) is a wear resistant corrosion resistant cylinder of steel internal face lining filter screen.
CN2010202187109U 2010-06-08 2010-06-08 Variable frequency high speed wet-type submersible pump Expired - Lifetime CN201723460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202187109U CN201723460U (en) 2010-06-08 2010-06-08 Variable frequency high speed wet-type submersible pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202187109U CN201723460U (en) 2010-06-08 2010-06-08 Variable frequency high speed wet-type submersible pump

Publications (1)

Publication Number Publication Date
CN201723460U true CN201723460U (en) 2011-01-26

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101846085A (en) * 2010-06-08 2010-09-29 江苏大学 Frequency conversion high-speed wet type submersible pump
CN102635558A (en) * 2012-04-27 2012-08-15 长沙迪沃机械科技有限公司 Large-flow portable permanent-magnet frequency-conversion submersible pump
CN103560608A (en) * 2013-10-30 2014-02-05 湘潭市湘徽泵业有限公司 Wet-type submersible pump
CN104154003A (en) * 2014-07-29 2014-11-19 江苏大学 Deep mine submersible pump capable of balancing shaft head force of static rotor
CN104314838A (en) * 2014-10-15 2015-01-28 石小强 Leakproof water pump
CN104373360A (en) * 2014-10-15 2015-02-25 石小强 Sewage pump
CN104481924A (en) * 2014-11-28 2015-04-01 江苏大学 Novel combined front end structure of rapid emergency pump
CN105186738A (en) * 2015-09-28 2015-12-23 哈尔滨电气动力装备有限公司 Multi-functional thrust disc

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101846085A (en) * 2010-06-08 2010-09-29 江苏大学 Frequency conversion high-speed wet type submersible pump
CN101846085B (en) * 2010-06-08 2012-06-20 江苏大学 Frequency conversion high-speed wet type submersible pump
CN102635558A (en) * 2012-04-27 2012-08-15 长沙迪沃机械科技有限公司 Large-flow portable permanent-magnet frequency-conversion submersible pump
CN102635558B (en) * 2012-04-27 2014-09-24 长沙迪沃机械科技有限公司 Large-flow portable permanent-magnet frequency-conversion submersible pump
CN103560608A (en) * 2013-10-30 2014-02-05 湘潭市湘徽泵业有限公司 Wet-type submersible pump
CN104154003A (en) * 2014-07-29 2014-11-19 江苏大学 Deep mine submersible pump capable of balancing shaft head force of static rotor
CN104314838A (en) * 2014-10-15 2015-01-28 石小强 Leakproof water pump
CN104373360A (en) * 2014-10-15 2015-02-25 石小强 Sewage pump
CN104481924A (en) * 2014-11-28 2015-04-01 江苏大学 Novel combined front end structure of rapid emergency pump
CN104481924B (en) * 2014-11-28 2017-06-06 江苏大学 A kind of combined high-speed is speedily carried out rescue work pump front-end architecture
CN105186738A (en) * 2015-09-28 2015-12-23 哈尔滨电气动力装备有限公司 Multi-functional thrust disc

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110126

Effective date of abandoning: 20120620