CN207195211U

CN207195211U - A kind of single-stage canned pump of high flow capacity

Info

Publication number: CN207195211U
Application number: CN201721047533.0U
Authority: CN
Inventors: 吕厚儒; 钟国囵; 方云
Original assignee: MAOMING SHIHUA DONGYOU CHEMICAL Co Ltd
Current assignee: MAOMING SHIHUA DONGYOU CHEMICAL Co Ltd
Priority date: 2017-08-21
Filing date: 2017-08-21
Publication date: 2018-04-06
Anticipated expiration: 2027-08-21

Abstract

The utility model discloses a kind of single-stage canned pump of high flow capacity, including the pump housing and motor casing, the pump housing is connected with described motor casing one end, impeller is installed in the pump housing, the both ends of the motor casing are installed on right end cap and left end cap respectively, the right end cap and the left end cap are coordinated by bearing with being set in the axle sleeve of axle end positions, one end of the axle and the impeller key connection, one group of balance pipe is offered on the impeller, rotor is coated with the middle part of the axle, the rotor and the stator being installed in inside the motor casing coordinate, there is rotor shielding sleeve outside the rotor, there is stator can outside the stator, terminal box is equipped with outside the motor casing, install organic frame in the bottom of the motor casing, the frame is detachably connected with base.The single-stage canned pump of the high flow capacity also make it that the service life of bearing is greatly prolonged while meeting and improving pump flow requirements, and maintenance cost is low, good in economic efficiency.

Description

A kind of single-stage canned pump of high flow capacity

Technical field

Canned motor pump field is the utility model is related to, specially a kind of single-stage canned pump of high flow capacity.

Background technology

In operation, impeller front and rear cover plate produces axial force because of the pressure imbalance being subject to single-stage canned pump, the axial direction Power is acted on thrust bearing by rotor assembly, it is necessary to take measures after pump discharge improves, axial force is reached flat again Weighing apparatus, just it is unlikely make bearing because stress is excessive and caused by damage, shorten its service life, now need a kind of axial force that balanced Canned motor pump solves the above problems, and is created conditions to improve pump discharge.

Utility model content

The purpose of this utility model is to provide a kind of single-stage canned pump of high flow capacity, to solve to carry in above-mentioned background technology The problem of going out.

To achieve the above object, the utility model provides following technical scheme：A kind of single-stage canned pump of high flow capacity, including The pump housing and motor casing, the pump housing are connected with described motor casing one end, are installed on impeller in the pump housing, and the two of the motor casing End is installed on right end cap and left end cap respectively, and the right end cap and the left end cap by bearing and are set in axle end positions Axle sleeve coordinate, one end of the axle and the impeller key connection offer one group of balance pipe on the impeller, in the axle Portion is coated with rotor, and the rotor and the stator being installed in inside the motor casing coordinate, and have rotor shielding outside the rotor Set, the stator have stator can outside, terminal box are equipped with outside the motor casing, the bottom of the motor casing is installed on Frame, the frame are detachably connected with base.

Preferably, inverse circulation flange is installed on the right end cap.

Preferably, thrust disc, the thrust disc and the bearing fit are coated with the both ends neighbouring position of the axle.

Preferably, the right end cap, the left end cap and the motor casing, the frame and the motor casing, the machine Frame is detachably connected with the base by bolt.

Preferably, the bearing is coordinated by holding screw and pin with the motor casing, the bottom grafting of the pump housing There is plug, the left end cap and the bearing are coordinated by adjusting washer (disk), the right end cap, the left end cap and the motor casing Between be folded with seal washer.

Compared with prior art, the beneficial effects of the utility model are：The single-stage canned pump of the high flow capacity is in use, in leaf Multiple balance pipes are drilled out on wheel, balance pipe is uniformly distributed along impeller central, and balance pipe plays a part of adjusting axial force, by anti- Retrial is tested, and finds out suitable aperture, then can improve pump discharge about 10%, plays a part of meeting production needs, you can correspond to The pump discharge needed, axial force can be made to reach balance again again, it is unlikely make bearing because stress is excessive and caused by damage, extend axle The service life held；The present apparatus also make it that the service life of bearing is prolonged significantly while meeting and improving pump flow requirements Long, maintenance cost is low, good in economic efficiency.

Brief description of the drawings

Fig. 1 is the utility model structure diagram.

Fig. 2 is the structural representation of the utility model impeller.

In figure：1st, the pump housing, 2, impeller, 3, right end cap, 4, bearing, 5, axle, 6, axle sleeve, 7, rotor, 8, stator, 9, rotor plater Cover set, 10, stator can, 11, terminal box, 12, frame, 13, base, 14, left end cap, 15, inverse circulation flange, 16, thrust Disk, 17, bolt, 18, holding screw, 19, plug, 20, adjusting washer (disk), 21, pin, 22, seal washer, 23, balance pipe, 24, electricity Casing.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of single-stage canned pump of high flow capacity, including pump Body 1 and motor casing 24, the pump housing 1 are connected with described one end of motor casing 24, and impeller 2, the motor are installed in the pump housing 1 The both ends of shell 24 are installed on right end cap 3 and left end cap 14 respectively, the right end cap 3 and the left end cap 14 by bearing 4 with The axle sleeve 6 for being set in the end positions of axle 5 coordinates, one end of the axle 5 and the key connection of impeller 2, is offered on the impeller 2 One group of balance pipe 23, the middle part of the axle 5 are coated with rotor 7, the rotor 7 and the stator being installed in inside the motor casing 24 8 coordinate, and have rotor shielding sleeve 9 outside the rotor 7, and the stator 8 has a stator can 10 outside, outside the motor casing 24 Terminal box 11 is equipped with, organic frame 12 is installed in the bottom of the motor casing 24, and the frame 12 is detachably connected with base 13, institute State and inverse circulation flange 15 is installed on right end cap 3, thrust disc 16 is coated with the both ends neighbouring position of the axle 5, it is described to push away Power disk 16 coordinates with the bearing 4, the right end cap 3, the left end cap 14 and the motor casing 24, the frame 12 with it is described Motor casing 24, the frame 12 are detachably connected with the base 13 by bolt 17, and the bearing 4 passes through clamp screw Nail 18 and pin 21 coordinate with the motor casing 24, and the bottom of the pump housing 1 is plugged with plug 19, the left end cap 14 and described Bearing 4 is coordinated by adjusting washer (disk) 20, is folded between the right end cap 3, the left end cap 14 and the motor casing 24 close Seal washer 22.

Operation principle：When using the single-stage canned pump of the high flow capacity, multiple balance pipes 23 are drilled out on impeller 2, are balanced Hole 23 is uniformly distributed along the center of impeller 2, and balance pipe 23 plays a part of adjusting axial force, and by repetition test, it is suitable to find out Aperture, then pump discharge about 10% can be improved, play a part of meeting production needs, you can corresponding to the pump discharge of needs, again may be used Axial force is reached balance again, it is unlikely make bearing 4 because stress is excessive and caused by damage, extend the service life of bearing 4.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of single-stage canned pump of high flow capacity, including the pump housing（1）And motor casing（24）, it is characterised in that：The pump housing（1）With The motor casing（24）One end connects, the pump housing（1）Inside it is installed on impeller（2）, the motor casing（24）Both ends pacify respectively Provided with right end cap（3）And left end cap（14）, the right end cap（3）With the left end cap（14）Pass through bearing（4）With being set in Axle（5）The axle sleeve of end positions（6）Coordinate, the axle（5）One end and the impeller（2）Key connection, the impeller（2）On open Provided with one group of balance pipe（23）, the axle（5）Middle part be coated with rotor（7）, the rotor（7）With being installed in the motor casing （24）Internal stator（8）Coordinate, the rotor（7）There is rotor shielding sleeve outside（9）, the stator（8）There is stator plates outside Cover set（10）, the motor casing（24）Outside is equipped with terminal box（11）, the motor casing（24）Bottom install organic frame （12）, the frame（12）With base（13）It is detachably connected.

A kind of 2. single-stage canned pump of high flow capacity according to claim 1, it is characterised in that：The right end cap（3）Upper peace Provided with inverse circulation flange（15）.

A kind of 3. single-stage canned pump of high flow capacity according to claim 1, it is characterised in that：The axle（5）Both ends it is attached Thrust disc is coated near position（16）, the thrust disc（16）With the bearing（4）Coordinate.

A kind of 4. single-stage canned pump of high flow capacity according to claim 1, it is characterised in that：The right end cap（3）, it is described Left end cap（14）With the motor casing（24）, the frame（12）With the motor casing（24）, the frame（12）With the bottom Seat（13）Pass through bolt（17）It is detachably connected.

A kind of 5. single-stage canned pump of high flow capacity according to claim 1, it is characterised in that：The bearing（4）By tight Determine screw（18）And pin（21）With the motor casing（24）Coordinate, the pump housing（1）Bottom be plugged with plug（19）, it is described Left end cap（14）With the bearing（4）Pass through adjusting washer (disk)（20）Coordinate, the right end cap（3）, the left end cap（14）With institute State motor casing（24）Between be folded with seal washer（22）.