CN205908478U - Magnetic force actuation pipeline formula centrifugal pump - Google Patents

Abstract

The utility model provides a magnetic force actuation pipeline formula centrifugal pump, includes the pump body, pump cover, pump shaft, interior magnet rotor subassembly, outer magnet rotor subassembly and motor, the cooperation of interior magnet rotor subassembly top is provided with outer magnet rotor subassembly, interior magnet rotor subassembly and outer magnet rotor subassembly between be provided with the separation sleeve, the separation sleeve suit including the magnet rotor subassembly outside and pump cover connection, outer magnet rotor subassembly set up on the spindle nose of motor, interior magnet rotor subassembly below is provided with slide bearing body sub -assembly through footstep bearing subassembly B, the bellying of slide bearing body sub -assembly is fixed with pump cover connection. The utility model discloses the compactness is reasonable, the installation maintains that simple and convenient, mounting means can require change wantonly in 360 (vertical, horizontal, slope arbitrary angle degree) according to the user, and the operation of pump is reliable and stable under the great working condition of extremely low temperature, high temperature and temperature variation, the life cycle life -span is longer, the range of application is wider.

Description

A kind of magnetically-actuated pipe type centrifugal pump

Technical field

The utility model is related to the magnetically-actuated pipe type centrifugal pump of the plurality of installation forms such as vertical sleeping suspention, is a kind of wide The general production procedure be applied to fields such as chemical industry, oil, refinery, pharmacy, alkaline, relieving haperacidity, printing and dyeing, food, conveying does not contain solid Particle, proportion be not more than 1.84 cleaning liquid, be particularly well-suited to inflammable, explosive, poisonous, be harmful to, have the valuable liquid of corrosive agent The conveying of medium.

Background technology

The pipeline pump that the field such as chemical industry, oil, refinery, pharmacy, alkaline, relieving haperacidity, printing and dyeing, food is used at present is vertical It is arranged on pipeline, its seal style can adopt mechanical seal pattern and two kinds of patterns of magnetically-actuated static seal, the type pump has Some features: pump is vertical structure, turnover bore is identical, and is located on same center line, can be directly installed on as valve Among pipeline, compact appearance is attractive in appearance, and floor space is little, and building input is low, adds that protective cover is placed in outdoor use.

Domestic at present produced mechanical seal pipeline pump and magnetically-actuated pipe type centrifugal pump have the following disadvantages:

1. the seal style of mechanical seal pipeline pump uses mechanical seal, and this is sealed into dynamic sealing pattern, exists easily Abrasion rupture and lost efficacy, the defect such as pumped (conveying) medium easily leaks, sealing life is short, if pumped (conveying) medium is inflammable, explosive, poisonous, have Evil, mechanical seal damages the leakage producing can make environment heavily contaminated, can lead to fire, blast, personal injury when serious And the heavy losses of property.

2. by the way of part magnetically-actuated pipe type centrifugal pump is between pump shaft and the axle sleeve using being mounted directly, this peace Dress mode can be very accurate to Element Design dimensional requirement, and its requirement on machining accuracy also can be very high, if otherwise pump pumped (conveying) medium temperature When higher or lower can because phenomenon of expanding with heat and contract with cold be easy to occur stuck turn motionless so that pump can not run well, when serious Package unit can be led to stop.

3. part magnetically-actuated pipe type centrifugal pump adopts between pump shaft and axle sleeve using " o " type sealing ring swelling installation Mode, the requirement to " o " type sealing ring material for this mounting means can be very high, and quality of fit requirement is also very high, should consider " o " The decay resistance of type sealing ring and wear-corrosion resistance, it is also contemplated that the high temperature resistant and low temperature resistant performance of " o " type sealing ring, no Then pump can normal table run, and fault rate can be very high, and maintenance cost can be very big.

4. also have magnetically-actuated pipe type centrifugal pump adopt pump shaft directly install with sliding bearing contact formed revolving part and The mounting means of static element friction pair, this mounting means can be very accurate to Element Design dimensional requirement, its requirement on machining accuracy Also can be very high, difficulty of processing can be very big, and pump otherwise can be led to because of phenomenon of expanding with heat and contract with cold when pumped (conveying) medium temperature is higher or lower Be easy to occur stuck turn motionless, also result in pump shaft or the serious even crack damage of axle sleeve, sliding bearing abrasion, so that pump Can not run well, package unit when serious, can be led to stop.

5. the installation approach of pump only has the vertical of pump or two kinds of installation approach of horizontal type according to the requirement that pipeline is arranged.

6. the sliding bearing of existing magnetically-actuated pipe type centrifugal pump is to be directly loadable in pump cover or bearing holder (housing, cover), bearing block, Once sliding bearing damages necessary integral replacing, the therefore assembling of the sliding bearing of the type pump, maintenance meeting is very inconvenient, and ties up Shield expense can be very high.

Content of the invention

The purpose of this utility model seeks to provide a kind of magnetically-actuated pipe type centrifugal pump, it can overcome well with Upper technical problem.

A kind of magnetically-actuated pipe type centrifugal pump, including the pump housing, pump cover, pump shaft, interior magnetic rotor component, outer

Magnetic rotor component and motor, pump shaft lower end is provided with impeller by retaining pad, impeller nut, and pump shaft upper end is passed through Transmission flat key, closely-pitched jam nut retaining pad, closely-pitched jam nut are provided with interior magnetic rotor component, join above described interior magnetic rotor component Conjunction is provided with outer magnetic rotor component, is provided with separation sleeve between described interior magnetic rotor component and outer magnetic rotor component, described Separation sleeve is sleeved on outside interior magnetic rotor component and is connected with pump cover；Described outer magnetic rotor component is arranged on the spindle nose of motor On；Below described interior magnetic rotor component, the body of sliding bearing sub-assembly, described the body of sliding bearing are provided with by thrust bearing component b The lug boss of sub-assembly and pump cover are connected.

Described the body of sliding bearing sub-assembly includes the body of sliding bearing, and the body of sliding bearing is provided with lug boss,

The two ends of described the body of sliding bearing are respectively arranged with slide bearing assembly a and slide bearing assembly by lock-screw b.

Described slide bearing assembly a includes sliding bearing, plain bearing housing, and described sliding bearing is sheathed

Inside plain bearing housing, and fixed by holding screw；The slide bearing assembly a position of described pump shaft impeller end The place of putting is provided with protective shaft sleeve a, axle sleeve a, be provided with the slide bearing assembly b position at magnetic rotor component end in pump shaft protective shaft sleeve b, Axle sleeve b.

Described interior magnetic rotor component is u-shaped structure, and described outer magnetic rotor component magnetic strength position is turned with interior magnetic

Sub-component magnetic strength position is parallel.

Further, described separation sleeve and pump cover junction are provided with separation sleeve sealing gasket.

Further, it is provided with through hole in described pump shaft, in pump shaft, upper end is pump shaft built-in through hole a end, lower end in pump shaft For pump shaft built-in through hole b end, described the body of sliding bearing has been radially arranged sliding bearing lubricating coolant inlet, on described pump cover It is provided with pump cover built-in inlet opening entrance.

As optimization, the back side of described impeller is provided with impeller ring, sets between the described pump housing and pump cover

It is equipped with body sealing cushion for cover.

The beneficial effects of the utility model are as follows:

1. there is 100% No leakage function: with blind axle seal (separation sleeve sealing gasket) replace moving axis envelope (mechanical seal dynamic and static Ring seals), type of drive is driven rotation so that all flow passage components of pump are complete by the way of the soft transmission of Contactless magnetic Entirely it is in sealing state, thus reaching 100% No leakage.

2. there is the features such as part universality is strong, easy to process, installation changes simple and convenient: by sliding bearing and sliding axle Bearing is combined into slide bearing assembly, then slide bearing assembly is arranged in sliding bearing body, thus facilitating sliding axle The installation held, replacing, greatly reduce the processing and manufacturing difficulty such as the casting of pump component, processing, assembling, replacing, improve life Produce efficiency, improve standardization and its universal performance of part, reduce production and maintenance cost, improve the economic effect of enterprise Benefit it is ensured that magnetic drive pump and whole device can normally, stable operation.

3. the utility model is provided with the built-in inlet opening entrance of two pump covers on pump cover, is provided with through hole on pump shaft, Sliding bearing lubricating coolant inlet is provided with the body of sliding bearing, there is cooling, lubricate smooth abundant prolongation usage cycles The function in life-span

4. have compact conformation rationally, install and safeguard that simple and convenient, mounting means can require to appoint in 360 ° according to user Meaning change (vertical, horizontal, skewed at any angle), stable and reliable operation, the usage cycles life-span can longer, range of application can be wider The features such as.

Brief description

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model pump shaft component structural representation；

Fig. 3 is the utility model slide bearing assembly structural representation；

Fig. 4 is the utility model thrust bearing component structural representation；

Fig. 5 is the utility model the body of sliding bearing assembling unit structure schematic diagram；

In figure 1. pump housing, 2. impeller nut, 3. impeller, 4. impeller ring, 5. body sealing cushion for cover, 6. pump cover, 7. thrust Bearing assembly a, 8. protective shaft sleeve a, 9. slide bearing assembly a, 10. axle sleeve a, 11. the body of sliding bearing, 12. slide bearing assemblies B, 13. protective shaft sleeve b, 14. closely-pitched jam nut retaining pad, 15. closely-pitched jam nuts, 6. outside the outer magnetic rotor component 18. of motor 17. Magnet rotor pressing plate, 19. pump shafts built-in through hole a end, 20. separation sleeves, magnetic rotor component in 21., 22. thrust bearing component b, 23. Bracket, 24. axle sleeve b, 25. pump shafts, 26. sliding bearing lubricating coolant inlet, 27. separation sleeve sealing gaskets, in 28. pump covers Put inlet opening entrance, 29. retaining pads, 30. pump shafts built-in through hole b end, 31. plain bearing housings, 32. sliding bearings, 33. is tight Determine screw, 34. thrust bearings, 35. thrust bearing bushings, 36. stop pin a, 37. stop pin b, 38. lock-screws, 39 is raised Portion.

Specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings, but not as to restriction of the present utility model:

A kind of magnetically-actuated pipe type centrifugal pump, turns including the pump housing 1, pump cover 6, pump shaft 25, interior magnetic rotor component 21, outer magnetic Sub-component 17 and motor 16, retaining pad 29 is passed through in pump shaft 25 lower end, impeller nut 2 is provided with impeller 3, and pump shaft 25 upper end is passed through Transmission flat key, closely-pitched jam nut retaining pad 14, closely-pitched jam nut 15 are provided with interior magnetic rotor component 21, described interior magnetic rotor component It is equipped with outer magnetic rotor component 17 above in the of 21, be provided between described interior magnetic rotor component 21 and outer magnetic rotor component 17 Separation sleeve 20, described separation sleeve 20 is sleeved on interior magnetic rotor component 21 outside and is connected with pump cover 6；Described outer magnet rotor group Part 17 is arranged on the spindle nose of motor 16；Described interior magnetic rotor component 21 lower section is provided with slip by thrust bearing component b22 Bearing body sub-assembly, the lug boss 39 of described the body of sliding bearing sub-assembly and pump cover 6 are connected.

Described the body of sliding bearing sub-assembly includes the body of sliding bearing 11, and the body of sliding bearing 11 is provided with lug boss 39, the two ends of described the body of sliding bearing 11 are respectively arranged with slide bearing assembly a9 and slide bearing assembly by lock-screw 38 b12.

Described slide bearing assembly a9 includes sliding bearing 32, plain bearing housing 31, and described sliding bearing 32 is sheathed Inside plain bearing housing 31 and fixing by holding screw 33；Set at the slide bearing assembly a9 position of pump shaft 25 impeller end It is equipped with protective shaft sleeve a8, axle sleeve a10, in pump shaft 25, at the slide bearing assembly b12 position at magnetic rotor component end, be provided with protective shaft sleeve B13, axle sleeve b24.

Described interior magnetic rotor component 21 is u-shaped structure, described outer magnetic rotor component 17 magnetic strength position and interior magnet rotor Assembly 21 magnetic strength position is parallel.

Described separation sleeve 20 and pump cover 6 junction are provided with separation sleeve sealing gasket 27, the described pump housing 1 and pump cover 6 it Between be provided with body sealing cushion for cover 5.

It is provided with through hole, in pump shaft 25, upper end is pump shaft built-in through hole a end 19, and in pump shaft 25, lower end is in described pump shaft 25 Pump shaft built-in through hole b end 30, described the body of sliding bearing 11 has been radially arranged sliding bearing lubricating coolant inlet 26, described pump The built-in inlet opening entrance 28 of two pump covers is provided with lid 6.

As optimization, the back side of described impeller 3 is provided with impeller ring 4.

The installation form of the utility model pump is made arbitrarily to change according to user's field requirement in 360 °, such as vertical, horizontal, Tilting.

With reference to concrete assembling process, the utility model is further described:

First, sliding bearing 32 is loaded and in plain bearing housing 31, be assembled into slide bearing assembly a9 and slide bearing assembly B12, and it is locked (see accompanying drawing 2) with holding screw 33；

Then, upper stop pin a36 and stop pin b37 will be equipped with respectively in thrust bearing bushing 35, then by thrust bearing 34 Load thus being assembled into thrust bearing component a7 and thrust bearing component b22(to see accompanying drawing 3).

Secondly, slide bearing assembly a9, slide bearing assembly b12 are divided by the requirement in the body of sliding bearing component diagram Not Zhuan Ru the body of sliding bearing 11 two ends, and be locked (see accompanying drawing 4) with lock-screw 31, then this body of sliding bearing combined Part loads in pump cover 6, and is fixed with screw lock；

3rd, impeller ring 4 is contained in the position of the sealing backside ring of impeller 3, and is fixed with holding screw；

4th, protective shaft sleeve a8 is loaded pump shaft 25 impeller end, protective shaft sleeve b13 loads the phase at magnetic rotor component end in pump shaft 25 Answer on position, then axle sleeve a10 is loaded on the excircle of protective shaft sleeve a8, axle sleeve b24 is loaded on the excircle of protective shaft sleeve b13；

4th, by this have been loaded with protective shaft sleeve a8, axle sleeve a10, protective shaft sleeve b13, axle sleeve b24 pump shaft 25 stretch into pump cover 6 and The sliding bearing in the hole that the body of sliding bearing is constituted；

5th, then impeller transmission flat key, thrust bearing component 7 are loaded onto successively on the pump shaft 25 of pump cover one end and carries leaf Take turns impeller 3 part of sealing ring 4, and load onto retaining pad 29 impeller nut 2 and be locked；Pump in interior magnetic rotor component one end Interior magnetic rotor component transmission flat key, interior magnetic rotor component 21 are loaded onto successively on axle 25, and loads onto closely-pitched jam nut retaining pad 14 and use Closely-pitched jam nut 15 is locked, and separation sleeve sealing gasket 27 is loaded in the corresponding rim of the mouth of pump cover 6, then separation sleeve 20 is sleeved on Fastened with screw with pump cover 6 outside interior magnetic rotor component；

6th, outer magnetic rotor component 17 is sleeved on the spindle nose of motor 16, is loaded on outer magnet rotor pressing plate screw tight Gu；

7th, the whole part being completed by the 5th step requirement is loaded in the pump housing 1, needs between the pump housing 1 and pump cover 6 to pad Upper body sealing cushion for cover 5, is then set with bracket 23 and carries out locking fastening with stud and nut, more equipped on bracket 23 Motor 16 part (by the part of the 6th step assembling) with outer magnetic rotor component 17, and fixed with screw lock, whole pump head Assembling finishes like this.

The utility model be provided with pump cover the built-in inlet opening entrance of two pump covers, be provided with pump shaft through hole, Sliding bearing lubricating coolant inlet is provided with the body of sliding bearing.First pump operation when cooling-lubricant pass through pump cover on built-in Two inlet opening entrance (high-pressure side) entrance, the cavity between separation sleeve and the body of sliding bearing, again through separation sleeve with Be vortexed produced by the fixed interval (FI) of setting cutting magnetic line when pump operate between interior magnetic rotor component heat energy successfully take away, Again through pump shaft built-in through hole a end, the built-in through hole of pump shaft, after through pump shaft built-in through hole b end enter pump import (low-pressure end), make When obtaining pump operating, cutting magnetic line produced vortex heat can successfully be taken away to be unlikely to gather because of vortex heat and lead to magnet to move back Magnetic lost efficacy；Secondly because the provided circumferentially about of sliding bearing inner cylinder has helicla flute during pump operation, so that part cooling and lubricating Liquid energy is passed through to be provided with setting between sliding bearing lubricating coolant inlet entrance sliding bearing and axle sleeve on the body of sliding bearing Fixed interval (FI), enter back into fixed interval (FI) between sliding bearing and thrust bearing through the effect of sliding bearing spiral fluted, interior magnetic turns The cooling-lubricant at sub-component end flows through the built-in through hole of pump shaft through the fixed interval (FI) between interior magnetic rotor component and separation sleeve again and enters Enter the import (low-pressure end) of pump, the cooling-lubricant of impeller end flows through gap between impeller ring and pump cover again through on impeller The balance pipe of setting enters the import (low-pressure end) of impeller.So that magnetic drive pump produced vortex heat energy during reruning Swimmingly take away and will not gather generation magnet inefficacy, the lubrication between its sliding bearing and axle sleeve, thrust bearing can be more fully suitable Freely, thus greatly extend magnet, sliding bearing, axle sleeve and thrust bearing cycle service life it is ensured that magnetic drive pump and Whole device can normally, stable operation；

The utility model compact and reasonable, installation safeguard that simple and convenient, mounting means can require to appoint in 360 ° according to user Meaning change (vertical, horizontal, skewed at any angle), pump under extremely low temperature, high temperature and the larger working condition of temperature change Stable and reliable operation, the features such as the usage cycles life-span is longer, range of application is wider, be widely used in chemical industry, oil, refinery, In the production procedure in the fields such as pharmacy, alkaline, relieving haperacidity, printing and dyeing, food, conveying is clear without solid particle, proportion no more than 1.84 Clean liquid, is particularly well-suited to conveying that is inflammable, explosive, poisonous, being harmful to, have the valuable liquid medium of corrosive agent.

Above-described embodiment of the present utility model, only clearly demonstrates the citing that the utility model is done, but is not used to Limit protection domain of the present utility model, all equivalent technical schemes fall within category of the present utility model, the utility model Scope of patent protection should be limited by every claim.

Claims (10)

1. a kind of magnetically-actuated pipe type centrifugal pump, including the pump housing (1), pump cover (6), pump shaft (25), interior magnetic rotor component (21), Outer magnetic rotor component (17) and motor (16), retaining pad (29) is passed through in pump shaft (25) lower end, impeller nut (2) is provided with impeller (3) it is characterised in that: pump shaft (25) upper end is provided with interior magnetic rotor component (21), joins above described interior magnetic rotor component (21) Conjunction is provided with outer magnetic rotor component (17), be provided between described interior magnetic rotor component (21) and outer magnetic rotor component (17) every From set (20), described separation sleeve (20) is sleeved on outside interior magnetic rotor component (21) and is connected with pump cover (6)；Described outer magnetic Rotor assembly (17) is arranged on the spindle nose of motor (16)；Pass through thrust bearing component b below described interior magnetic rotor component (21) (22) it is provided with the body of sliding bearing sub-assembly, the lug boss (39) of described the body of sliding bearing sub-assembly and pump cover (6) are connected.

2. a kind of magnetically-actuated pipe type centrifugal pump according to claim 1 it is characterised in that: described the body of sliding bearing Sub-assembly includes the body of sliding bearing (11), and the body of sliding bearing (11) is provided with lug boss (39), described the body of sliding bearing (11) two ends are respectively arranged with slide bearing assembly a(9 by lock-screw (38)) and slide bearing assembly b(12).

3. a kind of magnetically-actuated pipe type centrifugal pump according to claim 2 it is characterised in that: described sliding bearing group Part a(9) include sliding bearing (32), plain bearing housing (31), described sliding bearing (32) is set in plain bearing housing (31) Inside, and fixing by holding screw (33).

4. a kind of magnetically-actuated pipe type centrifugal pump according to claim 1 it is characterised in that: pump shaft (25) impeller end Slide bearing assembly a(9) be provided with protective shaft sleeve a(8 at position), axle sleeve a(10), the slip at the interior magnetic rotor component end of pump shaft (25) Bearing assembly b(12) be provided with protective shaft sleeve b(13 at position), axle sleeve b(24).

5. a kind of magnetically-actuated pipe type centrifugal pump according to claim 1 it is characterised in that: described interior magnet rotor group Part (21) is u-shaped structure, and described outer magnetic rotor component (17) magnetic strength position is parallel with interior magnetic rotor component (21) magnetic strength position.

6. a kind of magnetically-actuated pipe type centrifugal pump according to claim 1 it is characterised in that: described separation sleeve (20) Pump cover (6) junction is provided with separation sleeve sealing gasket (27), between the described pump housing (1) and pump cover (6), is provided with body Gai Mi Packing (5).

7. a kind of magnetically-actuated pipe type centrifugal pump according to claim 1 it is characterised in that: set in described pump shaft (25) It is equipped with through hole, the interior upper end of pump shaft (25) is pump shaft built-in through hole a end (19), the interior lower end of pump shaft (25) is pump shaft built-in through hole b end (30).

8. a kind of magnetically-actuated pipe type centrifugal pump according to claim 2 it is characterised in that: described the body of sliding bearing (11) it has been radially arranged sliding bearing lubricating coolant inlet (26), described pump cover (6) has been provided with the built-in inlet opening of pump cover and enters Mouth (28).

9. a kind of magnetically-actuated pipe type centrifugal pump according to claim 1 it is characterised in that: the back of the body of described impeller (3) Face is provided with impeller ring (4).

10. a kind of magnetically-actuated pipe type centrifugal pump according to any one of claim 1-9 it is characterised in that: pump Installation form makees any change, such as vertical, horizontal, tilting according to user's field requirement in 360 °.