CN209638013U - A kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium - Google Patents

Abstract

The utility model discloses a kind of shielded electric pumps using air-cooled structures double inside and outside pumped (conveying) medium, including including the pump housing, clamping device and pedestal, the clamping device is mounted on the two sides of the pump housing, the pedestal is mounted on the bottom of clamping device, the pump housing includes into water section, it is described enter water section above be provided with positive impeller, the upper end of the positive impeller is fixedly installed with perfusion tube, anti- impeller is fixedly installed with above the perfusion tube, the upper end of the anti-impeller is fixedly installed with sliding bearing, the two sides of the pump housing are fixedly installed with collet, stator module is provided with above the sliding bearing, the side of the stator module is provided with rotor assembly, thrust bearing is provided with above the rotor assembly.The utility model improves the stability of the shielded electric pump by setting clamping device, avoids the case where collision knocks the shielded electric pump down, has been haved the function that by the structure of the pump housing pumped (conveying) medium is cooling.

Description

A kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium

Technical field

The utility model relates to shielded electric pump technical field, specially a kind of screen using air-cooled structures double inside and outside pumped (conveying) medium Cover electric pump.

Background technique

Canned motor pump is widely used in the industry such as petroleum, chemical industry, refrigeration, food, national defence, atomic energy with its absolute No leakage The liquid such as transport acid, alkali, inflammable, explosive, hypertoxic, the bearing of shielded electric pump are sliding bearing, in operation by itself conveying The cooling motor of medium and lubrication bearing, if power of motor is larger or pumped (conveying) medium temperature is higher, it is also necessary to be carried out to outside motor The cooling service life that could improve electric pump.

And existing shielded electric pump, due to installing the difference in geographical location, inevitably has artificial when installing to it Accidentally hit or foreign matter it is caused collision when, will cause its damage, to cause motor overheating, stablizing effect is not good enough.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of shielding using air-cooled structures double inside and outside pumped (conveying) medium Electric pump solves the problems, such as that existing shielded electric pump stability is imperfect.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of to utilize cold junctions double inside and outside pumped (conveying) medium The shielded electric pump of structure, including the pump housing, clamping device and pedestal, the clamping device are mounted on the two sides of the pump housing, the pedestal peace Mounted in the bottom of clamping device.

The pump housing include into water section, it is described enter water section above be provided with positive impeller, the upper end of the positive impeller is fixed Perfusion tube is installed, anti-impeller is fixedly installed with above the perfusion tube, the upper end of the anti-impeller is fixedly installed with sliding Bearing, the two sides of the pump housing are fixedly installed with collet, and stator module, the stator pack are provided with above the sliding bearing The side of part is provided with rotor assembly, and thrust bearing is provided with above the rotor assembly, and the upper end of the pump housing is communicated with Outer circulating tube, the upper end of the outer circulating tube are fixedly installed with inverse circulation line choke block, and the outer surface of the outer circulating tube is solid Dingan County is equipped with external circulation line choke block.

The clamping device includes clamping plate, and the side of the clamping plate is movably installed with strut, and the lower end of the strut is fixed Slider disc is installed, the outer surface of the slider disc is fixedly installed with connecting spring, and the lower end of the connecting spring is fixedly mounted There is push rod, the push rod is fixedly installed with No.1 magnet far from one end of connecting spring, and the two sides of the pedestal are fixedly mounted There is bourdon tube, one end of the bourdon tube is fixedly installed with No. two magnet.

Advanced optimize the technical program, the quantity of the positive impeller and anti-impeller is several groups, the positive impeller position In the lower end of the pump housing, the anti-impeller is located at the upper end of the pump housing.

The technical program is advanced optimized, the right side opening of the pump housing is equipped with water exit end, and water exit end is located at the upper of positive impeller Side.

Advanced optimize the technical program, the inside of the sliding bearing and thrust bearing offered liquid bath, crossed liquid bath Quantity be four groups.

The technical program is advanced optimized, the inside of the perfusion tube is filled with coolant liquid, and perfusion tube is through the pump housing It is internal.

The technical program is advanced optimized, the outer surface of the slider disc is arranged with slip case, and between slider disc and slip case It is flexibly connected.

Advanced optimize the technical program, the No.1 magnet and No. two magnet sides close to each other are the pole S, and one It number is flexibly connected between magnet and pedestal.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of shielding electricity using air-cooled structures double inside and outside pumped (conveying) medium Pump, have it is following the utility model has the advantages that

1, shielded electric pump for utilizing double air-cooled structures inside and outside pumped (conveying) medium, by the way that clamping device is arranged, when the pump housing generates rolling When dynamic, it will drive clamping plate and strut and slider disc slided up and down in slip case, slider disc during the motion, drives connecting spring It moves together, connecting spring is absorbed to the seismaesthesia generated is shaken, and remaining seismaesthesia drives push rod to move to two sides, works as No.1 When magnet is close to No. two magnet, the effect of homopolar-repulsion makes No. two magnet that bourdon tube be driven to shrink, and bourdon tube absorbs seismaesthesia Meanwhile reaction force is transmitted to No. two magnet, so that No.1 magnet is pushed push rod, so that the pump housing be made to keep balance, improves the screen The stability for covering electric pump avoids the case where collision knocks the shielded electric pump down.

2, the shielded electric pump for utilizing double air-cooled structures inside and outside pumped (conveying) medium conveys liquid by entering water by the way that the pump housing is arranged Section enters, and enters water exit end by positive impeller, is then passed through perfusion tube and continues up transmission, the coolant liquid inside perfusion tube is to defeated Medium is sent to be cooled down, then other most of liquid are flowed out by anti-impeller, then mistake of the internal circulation fluid from sliding bearing Liquid bath enters the gap in stator assembly and rotor assembly, then enters inverse circulation line, outer loop liquid by thrust bearing Then enter inverse circulation line from outer circulating tube after into collet, has haved the function that pumped (conveying) medium is cooling.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the schematic cross-sectional view of the utility model；

Fig. 3 is the clamping device structural schematic diagram of the utility model.

In figure: 1, the pump housing；11, enter water section；12, positive impeller；13, perfusion tube；14, anti-impeller；15, sliding bearing；16, it presss from both sides Set；17, stator module；18, rotor assembly；19, thrust bearing；110, inverse circulation line choke block；111, outer circulating tube；112, External circulation line choke block；2, clamping device；21, clamping plate；22, strut；23, slider disc；24, connecting spring；25, push rod；26, No.1 magnet；27, bourdon tube；28, No. two magnet；3, pedestal.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of using air-cooled structures double inside and outside pumped (conveying) medium Shielded electric pump, including the pump housing 1, clamping device 2 and pedestal 3, clamping device 2 are mounted on the two sides of the pump housing 1, and pedestal 3 is mounted on folder Hold the bottom of device 2.

The pump housing 1 includes entering the top of water section 11 into water section 11 to be provided with positive impeller 12, and the upper end of positive impeller 12 is fixedly mounted There is perfusion tube 13, the top of perfusion tube 13 is fixedly installed with anti-impeller 14, and the upper end of anti-impeller 14 is fixedly installed with sliding bearing 15, the two sides of the pump housing 1 are fixedly installed with collet 16, and the top of sliding bearing 15 is provided with stator module 17, stator module 17 Side is provided with rotor assembly 18, and the top of rotor assembly 18 is provided with thrust bearing 19, and the upper end of the pump housing 1 is communicated with outer circulation Pipe 111, the upper end of outer circulating tube 111 are fixedly installed with inverse circulation line choke block 110, and the outer surface of outer circulating tube 111 is fixed External circulation line choke block 112 is installed.

Clamping device 2 includes clamping plate 21, and the side of clamping plate 21 is movably installed with strut 22, and the lower end of strut 22 is fixedly mounted There is slider disc 23, the outer surface of slider disc 23 is fixedly installed with connecting spring 24, and the lower end of connecting spring 24, which is fixedly installed with, to push away Bar 25, push rod 25 are fixedly installed with No.1 magnet 26 far from one end of connecting spring 24, and the two sides of pedestal 3 are fixedly installed with bullet Reed pipe 27, one end of bourdon tube 27 are fixedly installed with No. two magnet 28.

Specifically, the quantity of positive impeller 12 and anti-impeller 14 is several groups, positive impeller 12 is located at the lower end of the pump housing 1, instead Impeller 14 is located at the upper end of the pump housing 1, and positive impeller 12 and anti-impeller 14 convey pumped (conveying) medium.

Specifically, the right side opening of the pump housing 1 is equipped with water exit end, water exit end is located at the top of positive impeller 12, enables pumped (conveying) medium The pump housing 1 is enough discharged.

Specifically, the inside of sliding bearing 15 and thrust bearing 19 offered liquid bath, the quantity for crossing liquid bath is four groups, is made Pumped (conveying) medium cools down sliding bearing 15 and thrust bearing 19.

Specifically, the inside of perfusion tube 13 is filled with coolant liquid, and perfusion tube 13 runs through the inside of the pump housing 1, can be to defeated Medium is sent to be cooled down.

Specifically, the outer surface of slider disc 23 is arranged with slip case, and it is flexibly connected between slider disc 23 and slip case, makes to slide Disk 23 can be movable in slip case.

Specifically, No.1 magnet 26 and No. two sides close to each other of magnet 28 are the pole S, and No.1 magnet 26 and pedestal It is flexibly connected between 3, thrust is generated to No. two magnet 28 when enabling No.1 magnet 26 close to No. two magnet 28.

When in use, when the pump housing 1 generates shaking, it is upper and lower in slip case to strut 22 and slider disc 23 to will drive clamping plate 21 Sliding, slider disc 23 during the motion, drive connecting spring 24 move together, 24 pairs of connecting spring shake generate seismaesthesia into Row absorbs, and remaining seismaesthesia drives push rod 25 to move to two sides, when No.1 magnet 26 is close to No. two magnet 28, homopolar-repulsion Effect makes No. two magnet 28 that bourdon tube 27 be driven to shrink, and while bourdon tube 27 absorbs seismaesthesia, transmits instead to No. two magnet 28 Active force makes No.1 magnet 26 push push rod 25, so that the pump housing 1 be made to keep balance, conveying liquid is entered by entering water section 11, leads to Positive impeller 12 is crossed into water exit end, perfusion tube 13 is then passed through and continues up transmission, the coolant liquid inside perfusion tube 13 is to conveying Medium is cooled down, and then other most of liquid are flowed out by anti-impeller 14, then inside circulation fluid from sliding bearing 15 The gap that liquid bath enters in stator module 17 and rotor assembly 18 is crossed, then enters inverse circulation line by thrust bearing 19, outside Then portion's circulation fluid enters inverse circulation line from outer circulating tube 111 after entering collet 16.

In conclusion the chemical underwater shielded electrical pump Intelligent control cabinet will drive clamping plate 21 when the pump housing 1 generates shaking Strut 22 and slider disc 23 are slided up and down in slip case, slider disc 23 during the motion, drives connecting spring 24 to start shipment Dynamic, 24 pairs of connecting spring are shaken the seismaesthesia generated and absorbed, and remaining seismaesthesia drives push rod 25 to move to two sides, when No.1 magnetic When iron 26 is close to No. two magnet 28, the effect of homopolar-repulsion makes No. two magnet 28 that bourdon tube 27 be driven to shrink, and bourdon tube 27 will shake While sense absorbs, reaction force is transmitted to No. two magnet 28, No.1 magnet 26 is made to push push rod 25, so that the pump housing 1 be made to keep Balance, improves the stability of the shielded electric pump, avoids collision the case where knocking the shielded electric pump down, conveying liquid pass through into Water section 11 enters, and enters water exit end by positive impeller 12, is then passed through perfusion tube 13 and continues up transmission, inside perfusion tube 13 Coolant liquid cools down pumped (conveying) medium, and then other most of liquid are flowed out by anti-impeller 14, then inside circulation fluid from The liquid bath of crossing of sliding bearing 15 enters the gap in stator module 17 and rotor assembly 18, then enters by thrust bearing 19 inverse Then circulation line, outer loop liquid enter inverse circulation line from outer circulating tube 111 after entering collet 16, have reached and conveying is situated between The cooling effect of matter.

It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium, including the pump housing (1), clamping device (2) and pedestal (3), it is characterised in that: the clamping device (2) is mounted on the two sides of the pump housing (1), and the pedestal (3) is mounted on clamping device (2) bottom；

The pump housing (1) include into water section (11), it is described enter water section (11) above be provided with positive impeller (12), the positive impeller (12) upper end is fixedly installed with perfusion tube (13), is fixedly installed with anti-impeller (14) above the perfusion tube (13), described The upper end of anti-impeller (14) is fixedly installed with sliding bearing (15), and the two sides of the pump housing (1) are fixedly installed with collet (16), institute It states and is provided with above sliding bearing (15) stator module (17), the side of the stator module (17) is provided with rotor assembly (18), it is provided with thrust bearing (19) above the rotor assembly (18), the upper end of the pump housing (1) is communicated with outer circulating tube (111), the upper end of the outer circulating tube (111) is fixedly installed with inverse circulation line choke block (110), the outer circulating tube (111) outer surface is fixedly installed with external circulation line choke block (112)；

The clamping device (2) includes clamping plate (21), and the side of the clamping plate (21) is movably installed with strut (22), the strut (22) lower end is fixedly installed with slider disc (23), and the outer surface of the slider disc (23) is fixedly installed with connecting spring (24), The lower end of the connecting spring (24) is fixedly installed with push rod (25), and the one end of the push rod (25) far from connecting spring (24) is solid Dingan County is equipped with No.1 magnet (26), and the two sides of the pedestal (3) are fixedly installed with bourdon tube (27), the bourdon tube (27) One end is fixedly installed with No. two magnet (28).

2. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium according to claim 1, it is characterised in that: institute The quantity for stating positive impeller (12) and anti-impeller (14) is several groups, and the positive impeller (12) is located at the lower end of the pump housing (1), described Anti- impeller (14) is located at the upper end of the pump housing (1).

3. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium according to claim 1, it is characterised in that: institute The right side opening for stating the pump housing (1) is equipped with water exit end, and water exit end is located at the top of positive impeller (12).

4. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium according to claim 1, it is characterised in that: institute The inside for stating sliding bearing (15) and thrust bearing (19) offered liquid bath, and the quantity for crossing liquid bath is four groups.

5. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium according to claim 1, it is characterised in that: institute The inside of perfusion tube (13) is stated filled with coolant liquid, and perfusion tube (13) runs through the inside of the pump housing (1).

6. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium according to claim 1, it is characterised in that: institute The outer surface for stating slider disc (23) is arranged with slip case, and is flexibly connected between slider disc (23) and slip case.

7. a kind of shielded electric pump using air-cooled structures double inside and outside pumped (conveying) medium according to claim 1, it is characterised in that: institute Stating No.1 magnet (26) and No. two magnet (28) sides close to each other is the pole S, and between No.1 magnet (26) and pedestal (3) It is flexibly connected.