CN104564707A - Modular efficient maintenance-free bidirectional detachable universal centrifugal pump - Google Patents
Modular efficient maintenance-free bidirectional detachable universal centrifugal pump Download PDFInfo
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- CN104564707A CN104564707A CN201510051291.1A CN201510051291A CN104564707A CN 104564707 A CN104564707 A CN 104564707A CN 201510051291 A CN201510051291 A CN 201510051291A CN 104564707 A CN104564707 A CN 104564707A
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- 230000002457 bidirectional effect Effects 0.000 title abstract 5
- 238000013461 design Methods 0.000 claims abstract description 44
- 238000010168 coupling process Methods 0.000 claims description 58
- 238000005859 coupling reaction Methods 0.000 claims description 58
- 230000008878 coupling Effects 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 43
- 238000004140 cleaning Methods 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 29
- 238000005304 joining Methods 0.000 claims description 25
- 230000006698 induction Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 239000000411 inducer Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 30
- 238000000034 method Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 7
- 206010044565 Tremor Diseases 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008719 thickening Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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Abstract
The invention relates to a modular efficient maintenance-free bidirectional detachable universal centrifugal pump. The modular efficient maintenance-free bidirectional detachable universal centrifugal pump comprises a pump shell, an impeller, a rear cover, a mechanical seal stand, a pump shaft and a motor, wherein the impeller is arranged in the pump shell; the pump shaft is arranged on the rear cover in a supporting manner; a mechanical seal subassembly is arranged at a connection position between the pump shaft and the rear cover; and one end of the pump shaft is connected with the motor. The modular efficient maintenance-free bidirectional detachable universal centrifugal pump is characterized in that the lower end of the pump shaft is fixedly connected with a hub of the impeller; an impeller front opening is formed in the front end surface of the impeller; an impeller front opening ring which is correspondingly matched with the impeller front opening is arranged in the pump shell; an impeller rear opening is formed in the rear end surface of the impeller; an annular plate is arranged on the inner surface of the rear cover; and an impeller rear opening ring which is correspondingly matched with the impeller rear opening is arranged on the annular plate. The modular efficient maintenance-free bidirectional detachable universal centrifugal pump is skillful in structure and reasonable in design; various components in the centrifugal pump are modular; different products can be serialized in different application environments; diversified demands of customers can be met; the products are assembled efficiently and are disassembled conveniently; the production cost is reduced; and the production efficiency is improved.
Description
Technical field
The present invention relates to centrifugal pump, the efficient non-maintaining two-way removable general-purpose centrifugal pump of specifically a kind of modular design, belongs to conveying equipment for fluid substances technical field.
Background technique
Along with the development of science and technology, modular design has become a trend of equipping production development now.It can shorten research and development of products and manufacturing cycle on the one hand, increases product line, improves the quality of products, tackle turn of the market fast; On the other hand, conveniently can reuse, upgrade, keep in repair and dismounting after product abandonment, recovery and process.
Centrifugal pump is a kind of application conveying equipment for fluid substances widely.The vertical modularization design of current most of manufacturer in each Type of pump is all relatively good, and namely pump postoperculum is all relatively good in the modular design (reusability) of same pump series.But not very good at the transverse modular design aspect of different series or purposes.This is mainly because artificer more comprehensively can not understand the demand of most of client, consider the full knowledge of possible upgrading direction and more comprehensive, deep grasp design needs in the future before design, so, we commercially just can see much omnifarious various pump series, these pumps do not fully take into account modular design, can not meet the various demands (take up an area little, non-maintaining, easy upgrading, dismounting and change fast, can do requirements such as turning, applied range, function are strong) of client by a kind of module simultaneously.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design is provided, its structure is ingenious, reasonable in design, by each constituent elements in centrifugal pump is carried out modular design, achieve product percent of pass, the diversified demand of client can be met, and assembling product is efficient, take up an area little, lightweight, non-maintaining, quick upgrading, dismounting and change is fast, can do turn, applied range, function be strong, reduce cost of production, improve manufacturing efficiency.
According to technological scheme provided by the invention: the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design, comprise pump case, impeller, bonnet, machine envelope seat, pump shaft and motor, described pump case is provided with medium and imports and exports and impeller installation cavity, described impeller is arranged in impeller installation cavity, and the opening of impeller installation cavity is encapsulated by bonnet; Described motor is arranged on the upside of bonnet, and motor is arranged on motor bracket, and motor bracket is arranged on pump case; Described pump shaft support is arranged in the center mounting hole on bonnet, and the joint of pump shaft and bonnet arranges organic sealing assembly; Described pump shaft one end is fixedly connected with the output shaft of motor, and the pump shaft the other end is fixedly connected with the wheel hub of impeller; It is characterized in that: described wheel nose face is provided with impeller prosopyle, described pump case inside is provided with the impeller preoral loop with impeller prosopyle corresponding matching; Described impeller ear end face is provided with impeller deutostoma, and described bonnet interior surface is provided with a circle annular slab, annular slab is provided with choma after the impeller of impeller deutostoma corresponding matching.
As a further improvement on the present invention, described pump shaft lower end is provided with flange, and the wheel hub of described impeller is fixedly connected on the flange of pump shaft by impeller fixing bolt, and pump shaft is provided with that some rank outside dimension is bottom-up to be become large gradually and remove and install platform.
As a further improvement on the present invention, described pump shaft lower end is installed with axle sleeve flange, axle sleeve flange is fixed by spindle nose pad and spindle nose bolt, the shaft sleeve part of axle sleeve flange is arranged in the center mounting hole on bonnet by spring bearing, the wheel hub of described impeller is fixedly connected in the flange part of axle sleeve flange by impeller fixing bolt.Such Placement brings very large convenience can to the assembling of impeller or dismounting.
As a further improvement on the present invention, described spring bearing adopts self-lubricating plain bearing.Self-lubricating plain bearing can either bear radial force during centrifugal pump running, can ensure again pump shaft and the smooth and easy running of axle sleeve flange, avoid pump shaft to kill.
As a further improvement on the present invention, the axial centre of described impeller hub is provided with impeller through hole, and described impeller through hole front end is fitted with impeller circular cone bolt; Described pump case is provided with the pump case through hole coaxially arranged with impeller through hole, and described pump case through hole the inner is fitted with pump case circular cone bolt, and pump case through hole outer end is fitted with bottom.
As a further improvement on the present invention, described annular slab is provided with axial hole, and the inner opening of this axial hole is pressed close to impeller ear end face and leaves gap, and this axial hole outer end opening installs cleaning hose joint.
As a further improvement on the present invention, described machine sealing assembly comprises machine envelope seat, machine envelope cleaning hose, machine envelope, cleaning hose joint and axle sleeve, machine envelope seat is fixedly mounted on bonnet, pump shaft passes from the center hole of machine envelope seat, pump shaft and machine seal between seat center hole and arrange axle sleeve, machine envelope be arranged on machine envelope seat inner chamber in and be arranged on axle sleeve, the inner space of seat is sealed by cleaning hose joint and the machine be arranged on machine envelope seat in machine envelope cleaning hose one end, and machine seals the cleaning hose the other end by being arranged on cleaning hose joint on bonnet and pump case inner space.
As a further improvement on the present invention, described machine envelope cleaning hose installs organic envelope washing and filtering one-way valve additional.Machine envelope washing and filtering one-way valve can guarantee the comparatively clean flushing medium relief developing machine envelope having pressure, can ensure again when self-priming and running state simultaneously, can retain medium in machine envelope, avoid machine to seal and burn, and realizes the anti-dry ability turned.
As a further improvement on the present invention, described pump shaft, axle sleeve flange and axle sleeve are provided with some rank and remove and install platform, and described some rank remove and install that the outside dimension of platform is bottom-up to diminish gradually.The dismounting of centrifugal pump parts is convenient in such design, when lid, machine envelope, machine seal the parts such as seat after removal, does not need to dismantle motor, motor coupler and motor bracket, brings great convenience to the repair and maintenance of equipment.
As a further improvement on the present invention, described motor output shaft with join bolt by axial adjustment nut, pump joining shaft, intermediate shaft coupling, motor shaft locking washer, motor shim screw, motor coupler, nut connecting bolt, key, motor attachment bolt and pump between pump shaft and be connected; The output shaft that described motor coupler is arranged on motor is locked by motor shaft locking washer and motor shim screw, described intermediate shaft coupling one end is fixedly connected with motor coupler by motor attachment bolt, the intermediate shaft coupling the other end is fixedly connected with pump joining shaft by pump connection bolt, pump joining shaft is arranged on pump shaft upper end, and pump joining shaft is connected with transmitting torque with between pump shaft by key; Described axial adjustment nut is arranged on below pump joining shaft, and axial adjustment nut spiral shell is contained on pump shaft, is connected between axial adjustment nut with pump joining shaft by nut connecting bolt.
As a further improvement on the present invention, the output shaft of described motor is connected by axial adjustment nut, motor shaft locking washer, motor shim screw, nut connecting bolt, key and a point half-coupling with between pump shaft; Described point of half-coupling comprises the first semicylinder box coupling, the second semicylinder box coupling and attachment screw, upper half part of described first semicylinder box coupling and the second semicylinder box coupling close up be sleeved on motor output shaft on and be locked by motor shaft locking washer and motor shim screw, be fastenedly connected by attachment screw between the first semicylinder box coupling and the second semicylinder box coupling; Lower half portion of first semicylinder box coupling and the second semicylinder box coupling is closed up and is sleeved on pump shaft upper end, point is connected with transmitting torque by key between half-coupling with pump shaft; Described axial adjustment nut is arranged on below point half-coupling, and axial adjustment nut spiral shell is contained on pump shaft, is connected between axial adjustment nut with pump joining shaft by nut connecting bolt.
As a further improvement on the present invention, described bonnet is provided with bonnet exhaust port.Bonnet exhaust port can guarantee that centrifugal pump all can be exhausted when vertical or horizontal layout, and bonnet exhaust port can carry out convenience and be connected with the self-priming apparatus being contained in motor bracket arbitrary position.
As a further improvement on the present invention, the two ends end face of described intermediate shaft coupling is provided with seam.The installation validity of pump shaft can being guaranteed like this, without the need to costing a lot of money the time in heart assembling, guaranteeing again can take out when coming loose.
As a further improvement on the present invention, described pump shaft adds heavily loaded ball bearing assembly, described heavily loaded ball bearing assembly comprises bearing support, bearing cap, bearing trim ring, moving vane sealing and single-side sealing lid ball bearing, described bearing support is placed on machine envelope seat, it is interior and encapsulated by bearing cap that moving vane sealing and single-side sealing lid ball bearing are arranged on bearing support, moving vane stuffing box gland is contained on pump shaft, single-side sealing lid ball bearing is contained in moving vane sealing, bearing trim ring is enclosed within pump shaft, bearing trim ring one end is connected with axial adjustment nut, the bearing trim ring the other end is connected with single-side sealing lid ball bearing.Heavy duty ball bearing assembly makes centrifugal pump can run with more speed, bears larger load.
As a further improvement on the present invention, described centrifugal pump adds heavy-duty sliding bearing assembly, described heavy-duty sliding bearing assembly comprises pump case self oiling bearing, induction wheel shaft and self-locking nut; The axial centre of described impeller hub is provided with impeller through hole, described pump case is provided with the pump case through hole coaxially arranged with impeller through hole, described induction wheel shaft upper end to be arranged in impeller through hole and to be locked by self-locking nut, induction wheel shaft lower end is plugged in pump case through hole, arrange pump case self oiling bearing between induction wheel shaft and pump case through hole, pump case through hole outer end is fitted with bottom.Heavy-duty sliding bearing assembly makes centrifugal pump high speed can run, bear larger load and axle disturbance is less.
As a further improvement on the present invention, described induction wheel shaft is provided with inducer.Setting up inducer makes centrifugal pump can also be used for low cavitation erosion application, particularly field peculiar to vessel, can realize with little generation large, heavily meets the requirement of greening shipbuilding with light generation.
As a further improvement on the present invention, described machine sealing assembly comprises machine envelope cleaning hose, cleaning hose joint, axle sleeve, Air cooler envelope seat, machine capping and short machine envelope, described Air cooler envelope seat lower end is fixedly mounted on bonnet, pump shaft passes from the center hole of Air cooler envelope seat, pump shaft and Air cooler seal between seat center hole and arrange axle sleeve, leave micro-gap between Air cooler envelope seat and axle sleeve; Form cooling chamber between described Air cooler envelope seat lower chamber and bonnet, this cooling chamber by machine envelope cleaning hose and cleaning hose joint with pump case inner space; In the middle part of described Air cooler envelope seat, periphery wall is provided with several radiating fin; Described machine capping fixing seal is arranged on Air cooler envelope seat top, and machine capping and Air cooler seals and form machine between seat upper chamber and seal installation cavity, and described short machine is encapsulated in machine and seals in installation cavity.Such machine sealing assembly has high/low temperature air-cooling function, Rapid Thermal exchange can be carried out with surrounding environment, add the throttling action of the micro-gap between Air cooler envelope seat and axle sleeve, just can guarantee that the temperature gradient difference of the short machine envelope temperature of environment and surrounding environment is less, be applicable to the occasion of pumping high temperature and cryogenic media.
As a further improvement on the present invention, described centrifugal pump also comprises basic stool support and locking pin, and described locking pin is fixedly mounted on the outer wall of motor bracket bottom, and described locking pin is fixedly supported on basic stool support.So just make centrifugal pump can meet special installation requirements or the requirement compared with smaller tremors.
As a further improvement on the present invention, described centrifugal pump also comprises stable stool support and locking pin, and described locking pin is fixedly mounted on the outer wall on motor bracket top, and described locking pin is fixedly supported on stable stool support.So just make centrifugal pump can meet the requirement of special installation requirements or more smaller tremors.
As a further improvement on the present invention, described pump case is provided with the passive pump pin when the horizontal layout of pump case.The pump pin on pump case is utilized to change centrifugal pump into horizontal layout.
compared with prior art, tool has the following advantages in the present invention:
(1), structure of the present invention is ingenious, reasonable in design, by each constituent elements in centrifugal pump is carried out modular design, achieve different train, the diversified demand of client can be met, and assembling product is efficient, take up an area little, non-maintaining, convenient disassembly, reduces cost of production, improves manufacturing efficiency.
(2) in the present invention on the basis of the standard basic module of modular design, as long as add or disengaging section assembly (as heavily loaded ball or slide bearing assembly, various stable stool assembly, the air-cooled assembly of high/low temperature, inducer assembly etc.), just can realize the change of various structures form, and keep being convenient to dismounting, two-way dismountable feature, thus various application can be tackled.
(3), the present invention is a kind of centrifugal pump product that can realize the horizontal-vertical double-purpose of the multifunctional and multipurpose of transverse modular and vertical modularization, there is lightweight, that intensity is high, smooth surface, efficiency are high waterpower feature, the demand of current most of client can be met comprehensively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Situation of disassembling schematic diagram when Fig. 2 is quick demountor envelope from Fig. 1.
Situation of disassembling schematic diagram when Fig. 3 is quick dismounting impeller from Fig. 1.
Fig. 4 is situation of the disassembling schematic diagram when there being in hanging device situation quick dismounting impeller from Fig. 1.
Fig. 5 is the structural representation of the embodiment of the present invention 2.
Fig. 6 is the structural representation of the embodiment of the present invention 3.
Fig. 7 is the structural representation of the embodiment of the present invention 4.
Fig. 8 is the structural representation of the embodiment of the present invention 5.
Fig. 9 is the structural representation of the embodiment of the present invention 6.
Figure 10 is the structural representation of the embodiment of the present invention 7.
Figure 11 is the structural representation of the embodiment of the present invention 8.
Figure 12 is the structural representation of the embodiment of the present invention 9.
Figure 13 is the structural representation of the embodiment of the present invention 10.
Figure 14 is the structural representation of the embodiment of the present invention 11.
Figure 15 is that vertical pump upgrades to horizontal direct-connected form schematic diagram.
Figure 16 is that vertical pump upgrades to horizontal split Connecting format schematic diagram.
Description of reference numerals: 1-pump case, 1a-medium is imported and exported, 1b-impeller installation cavity, 1c-pump case through hole, 2-impeller, 2a-impeller prosopyle, 2b-impeller deutostoma, 2c-impeller through hole, 3-bonnet, 3a-annular slab, 4-machine envelope seat, 5-pump shaft, 6-axial adjustment nut, 7-pump joining shaft, 8-intermediate shaft coupling, 9-motor shaft locking washer, 10-motor shim screw, 11-motor coupler, 12-motor, 13-spring bearing, 14-impeller fixing bolt, 15-machine envelope cleaning hose, 16-machine seals, 17-cleaning hose joint, 18-machine envelope washing and filtering one-way valve, 19-nut connecting bolt, 20-key, 21-motor attachment bolt, 22-pump connection bolt, 23-bonnet exhaust port, 24-motor bracket, 27-axle sleeve flange, 28-spindle nose pad, 29-spindle nose bolt, 30-impeller circular cone bolt, 31-pump case circular cone bolt, 32-base, 33-bottom, 34-axle sleeve, choma after 35-impeller, 36-impeller preoral loop, 37-axial hole, 38-first semicylinder box coupling, 39-second semicylinder box coupling, 40-attachment screw, 41-bearing support, 42-bearing cap, 43-bearing trim ring, 44-moving vane seals, 45-single-side sealing lid ball bearing, 46-pump case self oiling bearing, 47-induces wheel shaft, 48-self-locking nut, 49-inducer, 50-Air cooler envelope seat, 50a-radiating fin, the capping of 51-machine, the short machine envelope of 52-, 53-cooling chamber, 54-machine envelope installation cavity, 55-locks pin, 56-stool support, 57-stablizes stool support, 58-pump pin.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
Embodiment 1
As shown in Fig. 1 ~ Fig. 4, a kind of efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design is disclosed in embodiment 1, it is primarily of pump case 1, impeller 2, bonnet 3, machine envelope seat 4, pump shaft 5, axial adjustment nut 6, pump joining shaft 7, intermediate shaft coupling 8, motor shaft locking washer 9, motor shim screw 10, motor coupler 11, motor 12, spring bearing 13, impeller fixing bolt 14, machine envelope cleaning hose 15, machine envelope 16, cleaning hose joint 17, machine envelope washing and filtering one-way valve 18, nut connecting bolt 19, key 20, motor attachment bolt 21, pump connection bolt 22, motor bracket 24, axle sleeve flange 27, spindle nose pad 28, spindle nose bolt 29, impeller circular cone bolt 30, pump case circular cone bolt 31, base 32, bottom 33, axle sleeve 34, the composition such as choma 35 and impeller preoral loop 36 after impeller.
As shown in Fig. 1 ~ Fig. 4, described pump case 1 is provided with medium and imports and exports 1a and impeller installation cavity 1b, and described impeller 2 is arranged in impeller installation cavity 1b, and the opening of impeller installation cavity 1b is encapsulated by bonnet 3; Described motor 12 is arranged on the upside of bonnet 3, and motor 12 is arranged on motor bracket 24, and motor bracket 24 is arranged on pump case 1; Described pump shaft 5 support is arranged in the center mounting hole on bonnet 3, and pump shaft 5 arranges organic sealing assembly with the joint of bonnet 3; Described pump shaft 5 one end is fixedly connected with the output shaft of motor 12, and pump shaft 5 the other end is fixedly connected with the wheel hub of impeller 2; Described pump shaft 5 lower end is installed with axle sleeve flange 27, described axle sleeve flange 27 is fixed by spindle nose pad 28 and spindle nose bolt 29, the shaft sleeve part of axle sleeve flange 27 is arranged in the center mounting hole on bonnet 3 by spring bearing 13, and the wheel hub of described impeller 2 is fixedly connected on by impeller fixing bolt 14 in the flange part of axle sleeve flange 27; Described impeller 2 front-end face is provided with impeller prosopyle 2a, and described pump case 1 inside is provided with the impeller preoral loop 36 with impeller prosopyle 2a corresponding matching; Described impeller 2 ear end face is provided with impeller deutostoma 2b, and described bonnet 3 interior surface is provided with a circle annular slab 3a, annular slab 3a is provided with choma 35 after the impeller of impeller deutostoma 2b corresponding matching.
As shown in Fig. 1 ~ Fig. 4, the centrifugal pump in embodiment 1 is vertical installation, and pump case 1 is wherein supported by base 32.In the present embodiment 1, described bonnet 3 and motor bracket 24 are arranged on pump case 1 respectively, can realize dismantling bonnet 3 when not dismantling motor bracket 24.Be interconnected and fixed by axle sleeve flange 27 and impeller fixing bolt 14 owing to being connected between impeller 2 with pump shaft 5, bring very large convenience to like this assembling of impeller 2 or dismounting.
Spring bearing 13 in the present embodiment 1 preferably adopts self-lubricating plain bearing, and self-lubricating plain bearing can either bear radial force during centrifugal pump running, can ensure again pump shaft 5 and the smooth and easy running of axle sleeve flange 27, avoid pump shaft 5 to kill.
As shown in Figure 1, in the present embodiment 1, the axial centre of described impeller 2 wheel hub is provided with impeller through hole 2c, and described pump case 1 is provided with the pump case through hole 1c coaxially arranged with impeller through hole 2c.Described impeller through hole 2c front end is fitted with impeller circular cone bolt 30; Described pump case through hole 1c the inner is fitted with pump case circular cone bolt 31, pump case through hole 1c outer end and is fitted with bottom 33.
Described annular slab 3a is provided with axial hole 37, and the inner opening of this axial hole 37 is pressed close to impeller 2 ear end face and leaves gap, and this axial hole 37 outer end opening installs cleaning hose joint 17.
As shown in Figure 1, in the present embodiment 1, described machine sealing assembly mainly seals seat 4 by machine, machine envelope cleaning hose 15, machine envelope 16, cleaning hose joint 17 and axle sleeve 34 form, machine envelope seat 4 is fixedly mounted on bonnet 3, pump shaft 5 passes from the center hole of machine envelope seat 4, pump shaft 5 and machine seal between seat 4 center hole and arrange axle sleeve 34, machine envelope 16 be arranged on machine envelope seat 4 inner chamber in and be arranged on axle sleeve 34, the inner space of seat 4 is sealed in machine envelope cleaning hose 15 one end by being arranged on cleaning hose joint 17 on machine envelope seat 4 and machine, machine envelope cleaning hose 15 the other end is by being arranged on cleaning hose joint 17 on bonnet 3 and pump case 1 inner space, described machine envelope washing and filtering one-way valve 18 is arranged on machine envelope cleaning hose 15, machine envelope washing and filtering one-way valve 18 can guarantee the comparatively clean flushing medium relief developing machine envelope 16 having pressure, can ensure again when self-priming and running state simultaneously, medium can be retained in machine envelope 16, avoid machine to seal 16 to burn, realize the anti-dry ability turned.
As shown in Fig. 1 ~ Fig. 4, in the present embodiment 1, because machine sealing assembly is contained in outside bonnet 3, and leave enough connection mouths on machine envelope seat 4, bonnet 3 and pump case 1, various machine can be realized and seal 16 flushing scheme, certainly also can realize filler and two-shipper seals 16 requirements.Machine envelope 16 is rinsed and is adopted the high pressure place, gap of choma 35 after impeller to filter and decompression afterflush machine envelope 16, and it is inner that the axial clearance then outside pump shaft 5 is back to pump case 1.Certainly, the present invention also can seal in the middle of cleaning hose 15 at machine and install various filtering scheme additional.
As shown in Fig. 1 ~ Fig. 4, in the present embodiment 1, described pump shaft 5, axle sleeve flange 27 and axle sleeve 34 are provided with some rank and remove and install platform, and described some rank remove and install that the outside dimension of platform is bottom-up to diminish gradually.The dismounting of centrifugal pump parts is convenient in such design, cover 3 after removal, the parts such as machine envelope 16, machine envelope seat 4 time, do not need to dismantle motor 12, motor coupler 11 and motor bracket 24, bring great convenience to the repair and maintenance of equipment.
As shown in Fig. 1 ~ Fig. 4, in the present embodiment 1, by axial adjustment nut 6 between the output shaft of described motor 12 and pump shaft 5, pump joining shaft 7, intermediate shaft coupling 8, motor shaft locking washer 9, motor shim screw 10, motor coupler 11, nut connecting bolt 19, key 20, motor attachment bolt 21 is connected with pump connection bolt 22, the output shaft that described motor coupler 11 is arranged on motor 12 is locked by motor shaft locking washer 9 and motor shim screw 10, described intermediate shaft coupling 8 one end is fixedly connected with motor coupler 11 by motor attachment bolt 21, intermediate shaft coupling 8 the other end is fixedly connected with pump joining shaft 7 by pump connection bolt 22, pump joining shaft 7 is arranged on pump shaft 5 upper end, be connected with transmitting torque by key 20 between pump joining shaft 7 with pump shaft 5, described axial adjustment nut 6 is arranged on below pump joining shaft 7, and axial adjustment nut 6 spiral shell is contained on pump shaft 5, is connected between axial adjustment nut 6 with pump joining shaft 7 by nut connecting bolt 19.The axial adjustment of pump shaft 5 can be realized by axial adjustment nut 6 with fixing.In addition, spline joint can also be adopted between described pump joining shaft 7 and pump shaft 5.
As shown in Fig. 1 ~ Fig. 4, in the present embodiment 1, described bonnet 3 is provided with bonnet exhaust port 23, bonnet exhaust port 23 can guarantee that centrifugal pump all can be exhausted when vertical or horizontal layout, bonnet exhaust port 23 can carry out convenience and be connected with the self-priming apparatus being contained in motor bracket 24 arbitrary position, as long as meet client to be arranged on to self priming device the requirement that any angle rotates bonnet 3 and motionless motor bracket 24.
As shown in Fig. 1 ~ Fig. 4, in the present embodiment 1, the two ends end face of described intermediate shaft coupling 8 is provided with seam, can guarantee the installation validity of pump shaft 5 like this, without the need to costing a lot of money the time in heart assembling, can guarantee again can take out when coming loose.
By adopting above-mentioned structural design, machine sealing assembly can disassemble when not removing motor coupler 11 and motor bracket 24 by the present invention, and concrete demounting procedure is as follows:
First pine goes pump to join bolt 22, pump shaft 5 and the parts be connected on pump shaft 5 is fallen under gravity, now can back out motor attachment bolt 21, take out intermediate shaft coupling 8; And then the nut connecting bolt 19 that comes loose, just can take out pump joining shaft 7 and axial adjustment nut 6; The machine that finally comes loose envelope seat 4 clamping bolt, just can knockout machine envelope seat 4 and machine seal 16(see Fig. 2).
After machine sealing assembly of dismantling, the present invention can also continue bonnet 3, spring bearing 13, pump shaft 5 and impeller 2 to dismantle in turn when not removing motor coupler 11 and motor bracket 24, concrete demounting procedure is as shown in Fig. 2 .2: first come loose by the connecting bolt between bonnet 3 and pump case 1, bonnet 3 and spring bearing 13 are pulled down, then impeller fixing bolt 14 is come loose, pulled down by pump shaft 5, impeller 2 can take out (see Fig. 3).
In addition, when there being lifting appliance, the present invention can directly dismantle impeller 2.Concrete operation step is as follows: first the connecting bolt between bonnet 3 and pump case 1 and the connecting bolt between motor bracket 24 and pump case 1 are come loose, with lifting appliance, the part after pump cover is directly sling, then by the lower impeller circular cone bolt 30 of figure dismounting and spindle nose bolt 29, just desirable lower impeller 2(is see Fig. 4).
In the embodiment of the present invention 1, owing to leaving enough distances between pump shaft 5 and motor 12 output shaft, be arranged on their parts therebetween so that take out from this distance when not dismantling motor 12 and motor bracket 24, and client can be met to the demand having middle node coupling.
Embodiment 2
As shown in Figure 5, embodiment 2 has carried out simplified design on the basis of embodiment 1, concrete difference is: embodiment's 2 pairs of pump shaft 5 parts simplify, eliminate axle sleeve flange 27, axle sleeve 34, spindle nose pad 28 and spindle nose bolt 29, directly be provided with in pump shaft 5 lower end one with pump shaft 5 flange integrally, the wheel hub of described impeller 2 is directly fixedly connected on by impeller fixing bolt 14 on the flange of pump shaft 5; And described pump shaft 5 is also provided with some rank and removes and installs platform, but the bottom-up change gradually of outside dimension that the some rank in embodiment 2 on pump shaft 5 remove and install platform is large.The pump shaft 5 of this structural design is adopted to be convenient to the dismounting of centrifugal pump parts.
Embodiment 3
As shown in Figure 6, embodiment 3 has carried out simplified design on the basis of embodiment 2, and concrete difference is:
(1), impeller 2 parts are simplified, impeller through hole 2c is no longer set in impeller 2, also eliminate impeller circular cone bolt 30, position impeller 2 being arranged originally impeller through hole 2c and installation impeller circular cone bolt 30 is directly designed to integral structure, only keeps in shape with original consistent.
(2), pump case 1 parts are simplified, pump case 1 is no longer arranged pump case through hole 1c, also pump case circular cone bolt 31 and bottom 33 is eliminated, position pump case 1 being arranged originally pump case through hole 1c and installation pump case circular cone bolt 31 and bottom 33 is directly designed to integral structure, only keeps in shape with original consistent.
(3) linkage structure, between the output shaft of motor 12 and pump shaft 5 simplifies, and the output shaft of motor 12 is connected by axial adjustment nut 6, motor shaft locking washer 9, motor shim screw 10, nut connecting bolt 19, key 20 and a point half-coupling with between pump shaft 5; Described point of half-coupling forms primarily of the first semicylinder box coupling 38, second semicylinder box coupling 39 and attachment screw 40, upper half part of described first semicylinder box coupling 38 and the second semicylinder box coupling 39 close up be sleeved on motor 12 output shaft on and be locked by motor shaft locking washer 9 and motor shim screw 10, be fastenedly connected by attachment screw 40 between the first semicylinder box coupling 38 and the second semicylinder box coupling 39; Lower half portion of first semicylinder box coupling 38 and the second semicylinder box coupling 39 is closed up and is sleeved on pump shaft 5 upper end, point is connected with transmitting torque by key 20 between half-coupling with pump shaft 5; Described axial adjustment nut 6 is arranged on below point half-coupling, and axial adjustment nut 6 spiral shell is contained on pump shaft 5, is connected between axial adjustment nut 6 with pump joining shaft 7 by nut connecting bolt 19.In the present embodiment 3, described point of half-coupling has the advantage can directly taken out without the need to centering, facilitates the installation and maintenance of whole centrifugal pumping apparatus to safeguard.
Embodiment 4
As shown in Figure 7, embodiment 4 has carried out Curve guide impeller on the basis of embodiment 1, concrete improvements are on pump shaft 5, installed heavily loaded ball bearing assembly (see improvements clearly for convenience, only done reference character mark to improvement part in figure, following embodiment all does same treatment) additional, described heavily loaded ball bearing assembly is primarily of bearing support 41, bearing cap 42, bearing trim ring 43, moving vane sealing 44 and single-side sealing lid ball bearing 45 form, described bearing support 41 is placed on machine envelope seat 4, moving vane sealing 44 and single-side sealing lid ball bearing 45 to be arranged in bearing support 41 and to be encapsulated by bearing cap 42, moving vane sealing 44 is sleeved on pump shaft 5, single-side sealing lid ball bearing 45 is contained in moving vane sealing 44, bearing trim ring 43 is enclosed within pump shaft 5, bearing trim ring 43 one end is connected with axial adjustment nut 6, bearing trim ring 43 the other end is connected with single-side sealing lid ball bearing 45.
The present embodiment 4, by installing heavily loaded ball bearing assembly on the basis of embodiment 1 additional, not only remains all advantages that embodiment 1 has, and adds following advantage: can run with more speed, bear larger load; Owing to having single-side sealing lid ball bearing 45 to bear the axial force of centrifugal pump, elastic coupling flexible coupling can be adopted to connect; These parts added are appointed and can be taken out when not removing motor coupler 11 and motor bracket 24, convenient disassembly; Because single-side sealing lid ball bearing 45 adopts multi-stage sealed, the situation that medium enters bearing can not occur, and bearing can by oil lubrication or grease lubrication.
Embodiment 5
As shown in Figure 8, embodiment 5 has carried out Curve guide impeller on the basis of embodiment 1, and concrete improvements are on centrifugal pump, installed heavy-duty sliding bearing assembly additional; Described heavy-duty sliding bearing assembly forms primarily of pump case self oiling bearing 46, induction wheel shaft 47 and self-locking nut 48, described induction wheel shaft 47 upper end to be arranged in impeller through hole 2c and to be locked by self-locking nut 48, induction wheel shaft 47 lower end is plugged in pump case through hole 1c, arranges pump case self oiling bearing 46 between induction wheel shaft 47 and pump case through hole 1c.In order to install induction wheel shaft 47, the impeller circular cone bolt 30 in embodiment 1 and pump case circular cone bolt 31 need to dismantle.
The present embodiment 5, by installing heavy-duty sliding bearing assembly on the basis of embodiment 1 additional, not only remains all advantages that embodiment 1 has, and adds and high speed can run, bear larger load and the less advantage of axle disturbance.
Embodiment 6
As shown in Figure 9, embodiment 6 has carried out Curve guide impeller on the basis of embodiment 5, concrete improvements have installed inducer 49 on induction wheel shaft 47, removed the locking nut 45 in embodiment 5, be threaded fixing between inducer 49 with induction wheel shaft 47 in embodiment 6.So just make the centrifugal pump in embodiment 5 can also be used for low cavitation erosion application, particularly field peculiar to vessel, can realize with little generation large, heavily meet the requirement of greening shipbuilding with light generation.
Embodiment 7
As shown in Figure 10, embodiment 7 has carried out Curve guide impeller on the basis of embodiment 1, concrete improvements are the improvement the structure of machine sealing assembly, machine sealing assembly in embodiment 7 mainly seals cleaning hose 15, cleaning hose joint 17, axle sleeve 34, Air cooler envelope seat 50, machine capping 51 and short machine envelope 52 by machine and forms, described Air cooler envelope seat 50 lower end is fixedly mounted on bonnet 3, pump shaft 5 passes from the center hole of Air cooler envelope seat 50, between the center hole that pump shaft 5 and Air cooler seal seat 50, axle sleeve 34 is set, between Air cooler envelope seat 50 and axle sleeve 34, leaves micro-gap; Form cooling chamber 53 between described Air cooler envelope seat 50 lower chamber and bonnet 3, this cooling chamber 53 by machine envelope cleaning hose 15 and cleaning hose joint 17 with pump case 1 inner space; In the middle part of described Air cooler envelope seat 50, periphery wall is provided with several radiating fin 50a; Described machine capping 51 fixing seal is arranged on Air cooler envelope seat 50 top, and machine capping 51 and Air cooler seals and form machine between seat 50 upper chamber and seal installation cavity 54, and described short machine seals 26 and is contained in machine and seals in installation cavity 54.
In the present embodiment 7, described axle sleeve 34 preferably adopts self oiling bearing.
Machine sealing assembly in the present embodiment 7 is compared with embodiment 1, be provided with high/low temperature air-cooling function, not only remain all advantages of machine sealing assembly in embodiment 1, and owing to adopting the Air cooler of the self oiling bearing of resistance to high/low temperature and band radiating fin 50a to seal seat 50, the machine sealing assembly of making can carry out Rapid Thermal exchange with surrounding environment, add the throttling action of the micro-gap between Air cooler envelope seat 50 and axle sleeve 34, just can guarantee that short machine seals the temperature gradient difference of the temperature of 52 environments and surrounding environment less, be applicable to the occasion of pumping high temperature and cryogenic media.
Embodiment 8
As shown in figure 11, embodiment 8 has carried out Curve guide impeller on the basis of embodiment 1, and concrete improvements with the addition of basic stool support 56 and locking pin 55, so just makes centrifugal pump can meet special installation requirements or the requirement compared with smaller tremors.In addition, the position of described pump case 1 being installed locking pin 55 has carried out thickening process.
Embodiment 9
As shown in figure 12, embodiment 9 has carried out Curve guide impeller on the basis of embodiment 1, and concrete improvements with the addition of stable stool support 57 and locking pin 55, so just makes centrifugal pump can meet the requirement of special installation requirements or more smaller tremors.In addition, the position of described pump case 1 being installed locking pin 55 has carried out thickening process.
Embodiment 10
As shown in figure 13, embodiment 10 has carried out Curve guide impeller on the basis of embodiment 4, concrete improvements with the addition of basic stool support 56 and locking pin 55, so just makes the centrifugal pump in embodiment 4 can meet special installation requirements or the requirement compared with smaller tremors.In addition, the position of described pump case 1 being installed locking pin 55 has carried out thickening process.
Embodiment 11
As shown in figure 14, embodiment 11 has carried out Curve guide impeller on the basis of embodiment 4, concrete improvements with the addition of stable stool support 57 and locking pin 55, so just makes the centrifugal pump in embodiment 4 can meet the requirement of special installation requirements or more smaller tremors.In addition, the position of described pump case 1 being installed locking pin 55 has carried out thickening process.
Embodiment 12
As shown in figure 15, the pump case 1 in embodiment 12 is provided with pump pin 58, and this pump pin 58 plays a supportive role when the horizontal layout of pump case 1.Embodiment 12 utilizes the pump pin 58 on pump case 1 to change centrifugal pump into horizontal layout, is then connected with the motor 12 wearing flange and leg, so just makes centrifugal pump become horizontal direct-connected form.
Embodiment 13
As shown in figure 16, embodiment 13 is the simplify processes done on the basis of embodiment 12, it has disassembled the motor bracket 24 in embodiment 12, is then connected with the motor 12 wearing leg by some middle node coupling, so just makes centrifugal pump become horizontal split Connecting format.
Claims (20)
1. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design, comprise pump case (1), impeller (2), bonnet (3), machine envelope seat (4), pump shaft (5) and motor (12), described pump case (1) is provided with medium and imports and exports (1a) and impeller installation cavity (1b), described impeller (2) is arranged in impeller installation cavity (1b), and the opening of impeller installation cavity (1b) is by bonnet (3) encapsulation; Described motor (12) is arranged on bonnet (3) upside, and motor (12) is arranged on motor bracket (24), and motor bracket (24) is arranged on pump case (1); Described pump shaft (5) support is arranged in the center mounting hole on bonnet (3), and pump shaft (5) arranges organic sealing assembly with the joint of bonnet (3); Described pump shaft (5) one end is fixedly connected with the output shaft of motor (12), and pump shaft (5) the other end is fixedly connected with the wheel hub of impeller (2); It is characterized in that: described impeller (2) front-end face is provided with impeller prosopyle (2a), described pump case (1) inside is provided with the impeller preoral loop (36) with impeller prosopyle (2a) corresponding matching; Described impeller (2) ear end face is provided with impeller deutostoma (2b), and described bonnet (3) interior surface is provided with a circle annular slab (3a), annular slab (3a) is provided with choma (35) after the impeller of impeller deutostoma (2b) corresponding matching.
2. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 1, it is characterized in that: described pump shaft (5) lower end is provided with flange, the wheel hub of described impeller (2) is fixedly connected on the flange of pump shaft (5) by impeller fixing bolt (14), and pump shaft (5) is provided with that some rank outside dimension is bottom-up to be become large gradually and remove and install platform.
3. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 1, it is characterized in that: described pump shaft (5) lower end is installed with axle sleeve flange (27), axle sleeve flange (27) is fixed by spindle nose pad (28) and spindle nose bolt (29), the shaft sleeve part of axle sleeve flange (27) is arranged in the center mounting hole on bonnet (3) by spring bearing (13), and the wheel hub of described impeller (2) is fixedly connected in the flange part of axle sleeve flange (27) by impeller fixing bolt (14).
4. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 3, is characterized in that: described spring bearing (13) adopts self-lubricating plain bearing.
5. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 1, it is characterized in that: the axial centre of described impeller (2) wheel hub is provided with impeller through hole (2c), described impeller through hole (2c) front end is fitted with impeller circular cone bolt (30); Described pump case (1) is provided with the pump case through hole (1c) coaxially arranged with impeller through hole (2c), and described pump case through hole (1c) the inner is fitted with pump case circular cone bolt (31), and pump case through hole (1c) outer end is fitted with bottom (33).
6. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 1, it is characterized in that: described annular slab (3a) is provided with axial hole (37), this axial hole (37) inner opening is pressed close to impeller (2) ear end face and is left gap, and this axial hole (37) outer end opening installs cleaning hose joint (17).
7. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 1, it is characterized in that: described machine sealing assembly comprises machine envelope seat (4), machine envelope cleaning hose (15), machine envelope (16), cleaning hose joint (17) and axle sleeve (34), machine envelope seat (4) is fixedly mounted on bonnet (3), pump shaft (5) passes from the center hole of machine envelope seat (4), pump shaft (5) and machine seal between seat (4) center hole and arrange axle sleeve (34), machine envelope (16) be arranged on machine envelope seat (4) inner chamber in and be arranged on axle sleeve (34), the inner space of seat (4) is sealed in machine envelope cleaning hose (15) one end by being arranged on cleaning hose joint (17) on machine envelope seat (4) and machine, machine envelope cleaning hose (15) the other end is by being arranged on cleaning hose joint (17) on bonnet (3) and pump case (1) inner space.
8. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 7, is characterized in that: described machine envelope cleaning hose (15) installs organic envelope washing and filtering one-way valve (18) additional.
9. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 3, it is characterized in that: described pump shaft (5), axle sleeve flange (27) and axle sleeve (34) are provided with some rank and remove and install platform, described some rank remove and install that the outside dimension of platform is bottom-up to diminish gradually.
10. the efficient non-maintaining two-way removable general-purpose centrifugal pump of modular design as claimed in claim 1, is characterized in that: the output shaft of described motor (12) with pass through axial adjustment nut (6), pump joining shaft (7), intermediate shaft coupling (8), motor shaft locking washer (9), motor shim screw (10), motor coupler (11), nut connecting bolt (19), key (20), motor attachment bolt (21) and pump between pump shaft (5) and join bolt (22) and be connected; The output shaft that described motor coupler (11) is arranged on motor (12) is locked by motor shaft locking washer (9) and motor shim screw (10), described intermediate shaft coupling (8) one end is fixedly connected with motor coupler (11) by motor attachment bolt (21), intermediate shaft coupling (8) the other end joins bolt (22) by pump and is fixedly connected with pump joining shaft (7), pump joining shaft (7) is arranged on pump shaft (5) upper end, is connected with transmitting torque between pump joining shaft (7) with pump shaft (5) by key (20); Described axial adjustment nut (6) is arranged on pump joining shaft (7) below, and axial adjustment nut (6) spiral shell is contained on pump shaft (5), is connected between axial adjustment nut (6) with pump joining shaft (7) by nut connecting bolt (19).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 11. modular designs as claimed in claim 1, is characterized in that: the output shaft of described motor (12) is connected by axial adjustment nut (6), motor shaft locking washer (9), motor shim screw (10), nut connecting bolt (19), key (20) and a point half-coupling with between pump shaft (5); Described point of half-coupling comprises the first semicylinder box coupling (38), the second semicylinder box coupling (39) and attachment screw (40), upper half part of described first semicylinder box coupling (38) and the second semicylinder box coupling (39) close up be sleeved on motor (12) output shaft on and be locked by motor shaft locking washer (9) and motor shim screw (10), pass through attachment screw (40) between the first semicylinder box coupling (38) and the second semicylinder box coupling (39) and be fastenedly connected; Lower half portion of first semicylinder box coupling (38) and the second semicylinder box coupling (39) is closed up and is sleeved on pump shaft (5) upper end, point passes through key (20) between half-coupling with pump shaft (5) to be connected with transmitting torque; Described axial adjustment nut (6) is arranged on below point half-coupling, and axial adjustment nut (6) spiral shell is contained on pump shaft (5), is connected between axial adjustment nut (6) with pump joining shaft (7) by nut connecting bolt (19).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 12. modular designs as claimed in claim 1, is characterized in that: described bonnet (3) is provided with bonnet exhaust port (23).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 13. modular designs as claimed in claim 1, is characterized in that: the two ends end face of described intermediate shaft coupling (8) is provided with seam.
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 14. modular designs as claimed in claim 1, it is characterized in that: (5) add heavily loaded ball bearing assembly with described pump shaft, described heavily loaded ball bearing assembly comprises bearing support (41), bearing cap (42), bearing trim ring (43), moving vane sealing (44) and single-side sealing lid ball bearing (45), described bearing support (41) is placed on machine envelope seat (4), moving vane sealing (44) and single-side sealing lid ball bearing (45) are arranged in bearing support (41) also by bearing cap (42) encapsulation, moving vane sealing (44) is sleeved on pump shaft (5), single-side sealing lid ball bearing (45) is contained on moving vane sealing (44), bearing trim ring (43) is enclosed within pump shaft (5), bearing trim ring (43) one end is connected with axial adjustment nut (6), bearing trim ring (43) the other end is connected with single-side sealing lid ball bearing (45).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 15. modular designs as claimed in claim 1, it is characterized in that: described centrifugal pump adds heavy-duty sliding bearing assembly, described heavy-duty sliding bearing assembly comprises pump case self oiling bearing (46), induction wheel shaft (47) and self-locking nut (48); The axial centre of described impeller (2) wheel hub is provided with impeller through hole (2c), described pump case (1) is provided with the pump case through hole (1c) coaxially arranged with impeller through hole (2c), described induction wheel shaft (47) upper end is arranged in impeller through hole (2c) and is also locked by self-locking nut (48), induction wheel shaft (47) lower end is plugged in pump case through hole (1c), arrange pump case self oiling bearing (46) between induction wheel shaft (47) and pump case through hole (1c), pump case through hole (1c) outer end is fitted with bottom (33).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 16. modular designs as claimed in claim 1, is characterized in that: described induction wheel shaft (47) is provided with inducer (49).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 17. modular designs as claimed in claim 1, it is characterized in that: described machine sealing assembly comprises machine envelope cleaning hose (15), cleaning hose joint (17), axle sleeve (34), Air cooler envelope seat (50), machine capping (51) and short machine envelope (52), described Air cooler envelope seat (50) lower end is fixedly mounted on bonnet (3), pump shaft (5) passes from the center hole of Air cooler envelope seat (50), pump shaft (5) and Air cooler seal between seat (50) center hole and arrange axle sleeve (34), micro-gap is left between Air cooler envelope seat (50) and axle sleeve (34), form cooling chamber (53) between described Air cooler envelope seat (50) lower chamber and bonnet (3), this cooling chamber (53) by machine seal cleaning hose (15) and cleaning hose joint (17) and with pump case (1) inner space, described Air cooler envelope seat (50) middle part periphery wall is provided with several radiating fin (50a), described machine capping (51) fixing seal is arranged on Air cooler envelope seat (50) top, and machine capping (51) and Air cooler seals and form machine between seat (50) upper chamber and seal installation cavity (54), and described short machine seals (52) and is contained in machine and seals in installation cavity (54).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 18. modular designs as described in any one of claim 1 ~ 17, it is characterized in that: described centrifugal pump also comprises basic stool support (56) and locking pin (55), described locking pin (55) is fixedly mounted on the outer wall of motor bracket (24) bottom, and described locking pin (55) is fixedly supported on basic stool support (56).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 19. modular designs as described in any one of claim 1 ~ 17, it is characterized in that: described centrifugal pump also comprises stable stool support (57) and locking pin (55), described locking pin (55) is fixedly mounted on the outer wall on motor bracket (24) top, and described locking pin (55) is fixedly supported on stable stool support (57).
The efficient non-maintaining two-way removable general-purpose centrifugal pump of 20. modular designs as described in any one of claim 1 ~ 17, is characterized in that: described pump case (1) is provided with the passive pump pin (58) when the horizontal layout of pump case (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051291.1A CN104564707B (en) | 2015-01-30 | 2015-01-30 | The efficient non-maintaining two-way removable general-purpose centrifugal pump of modularized design |
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| CN201510051291.1A CN104564707B (en) | 2015-01-30 | 2015-01-30 | The efficient non-maintaining two-way removable general-purpose centrifugal pump of modularized design |
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| CN104564707A true CN104564707A (en) | 2015-04-29 |
| CN104564707B CN104564707B (en) | 2017-01-04 |
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| CN104976137A (en) * | 2015-07-20 | 2015-10-14 | 江苏通达船用阀泵有限公司 | Vertical centrifugal pump for ship |
| CN105927554A (en) * | 2016-06-06 | 2016-09-07 | 曾美枝 | Improved energy-saving clean water pump |
| CN105927555A (en) * | 2016-06-06 | 2016-09-07 | 曾美枝 | Energy-saving clean water pump |
| CN107701462A (en) * | 2017-10-18 | 2018-02-16 | 珠海格力电器股份有限公司 | A kind of pump |
| CN108867768A (en) * | 2018-08-30 | 2018-11-23 | 麻有金 | A kind of secondary booster water system |
| CN109854540A (en) * | 2019-04-09 | 2019-06-07 | 广东骏驰科技股份有限公司 | A kind of centrifugal pump |
| EP3379098A4 (en) * | 2015-11-19 | 2019-06-26 | Ebara Corporation | Shaft coupling and pump device |
| CN113669264A (en) * | 2021-07-15 | 2021-11-19 | 中国核动力研究设计院 | Liquid metal pump modularization test device |
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| CN109854540B (en) * | 2019-04-09 | 2024-02-20 | 广东骏驰科技股份有限公司 | Centrifugal pump |
| CN113669264A (en) * | 2021-07-15 | 2021-11-19 | 中国核动力研究设计院 | Liquid metal pump modularization test device |
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Effective date of registration: 20201202 Address after: 21429, Wuyi Road, Wuxi, Jiangsu Province Patentee after: Puchuan fluid equipment (Wuxi) Co., Ltd Address before: 214028 phase 144-601, Taihu garden, New District, Jiangsu, Wuxi Patentee before: Zhu Haichuan |
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