CN105221418A - A kind of magneto drive helical rotor pump - Google Patents
A kind of magneto drive helical rotor pump Download PDFInfo
- Publication number
- CN105221418A CN105221418A CN201510635749.8A CN201510635749A CN105221418A CN 105221418 A CN105221418 A CN 105221418A CN 201510635749 A CN201510635749 A CN 201510635749A CN 105221418 A CN105221418 A CN 105221418A
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- transmission shaft
- sliding bearing
- magnet rotor
- pump
- separation sleeve
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Abstract
The invention discloses a kind of magneto drive helical rotor pump, comprise by helical rotor pump, the tubulose pump housing, bearing support, cup-shaped separation sleeve connects formation inner chamber successively, rotor connects with transmission shaft, transmission shaft is located in bearing support, transmission shaft rear end is provided with interior magnet rotor, the outer magnet rotor of groove type is located on the pto＝power take-off of reducing motor, outer magnet rotor is positioned at connecting frame, separation sleeve is located in the groove of outer magnet rotor, in, separated completely by the separation sleeve of cup-shaped between outer magnet rotor, interior magnet rotor is arranged in separation sleeve inner chamber D, outer magnet rotor rotates under the driving of reducing motor, in driving under the effect of magnetic coupling, magnet rotor rotates.The present invention is finished hermetic separation sleeve and seals, and utilizes the non-contact type magnetic of inner and outer Rotator to drive, solves the problem of power transmission, makes the dynamic seal (packing) of pump become static sealing, and absolute nothing when accomplishing fed sheet of a media is revealed.
Description
Technical field
The present invention relates to helical rotor pump, specifically relate to a kind of magneto drive helical rotor pump.
Background technique
Helical rotor pump is widely used in the industries such as food, chemical industry, oil, papermaking, sewage, especially when transfer of highly viscous medium and the higher medium of solid content, shows the superiority of its uniqueness.But at some chemical industry, the industries such as oil, product medium definitely can not be revealed, as: poisonous medium, danger medium etc.In current helical rotor pump, generally adopt packing seal and mechanical seal, these two kinds seal the leakage operationally had in various degree, cannot accomplish positive confinement.In such occasion, the application of helical rotor pump is just restricted and can not be employed; If cause the leakage of fed sheet of a media, harm will be produced to environment or human body, time serious, likely produce the danger such as blast.
Summary of the invention
In order to solve the above-mentioned problems in the prior art.The invention provides a kind of magneto drive helical rotor pump.
The technical solution adopted in the present invention is: a kind of magneto drive helical rotor pump, comprise the discharge body connected by stator, stator front end, helical rotor pump that the rotor installed in stator forms, also comprise magnetic driving equipment be made up of reducing motor, interior magnet rotor and groove type outer magnet rotor, by discharging body, stator, the tubulose pump housing, bearing support, cup-shaped separation sleeve connect the inner chamber formed successively, bearing support rear end is also connected with the flange of reducing motor by connecting frame, rotor is connected with the front end of transmission shaft by coupling rod, coupling rod is positioned at the pump chamber of the pump housing, transmission shaft is installed in bearing support, interior magnet rotor is installed in the rear end of transmission shaft, the outer magnet rotor of groove type is located on the pto＝power take-off of reducing motor, outer magnet rotor is positioned at the frame of connecting frame, the separation sleeve of cup-shaped is located in the groove of outer magnet rotor, in, separated completely by the separation sleeve of cup-shaped between outer magnet rotor, separation sleeve and interior, do not contact between outer magnet rotor, leave gap, interior magnet rotor is arranged in the inner chamber D of separation sleeve, outer magnet rotor rotates under the driving of reducing motor, in driving under the effect of magnetic coupling, magnet rotor rotates.
Further, the opening of cup-shaped separation sleeve is compressed by the connecting bolt of bearing support and connecting frame, is provided with sealing gasket between the rim of a cup of cup-shaped separation sleeve and connection bearing base rear end.
Further, interior magnet rotor is fixed on transmission shaft by axle head locking nut by the rear end of transmission shaft.
Further, the rotor of helical rotor pump is connected with transmission shaft by coupling rod, and the Placement at coupling rod two ends is pin universal joint.
Further, also comprise slide bearing assembly, slide bearing assembly is primarily of two groups of radial sliding bearings and one group of axial force sliding bearing composition; The front and back ends of transmission shaft is radial sliding bearing, and each radial sliding bearing is made up of radial sliding bearing rotating ring and radial sliding bearing stationary ring; Axial force sliding bearing is made up of axial force sliding bearing stationary ring and axial force sliding bearing rotating ring; A radial sliding bearing rotating ring is all set with in the forward and backward end of transmission shaft, each radial sliding bearing rotating ring is set with a radial sliding bearing stationary ring, be provided with inner pedestal outside the radial sliding bearing stationary ring of transmission shaft rear end, inner pedestal is bolted on the rear portion in bearing support; The middle part suit of transmission shaft is fixed with stressed dish, axial force sliding bearing rotating ring is embedded in the rear end of stressed dish, rotate with transmission shaft, axial force sliding bearing stationary ring is installed on inner pedestal, and axial force sliding bearing rotating ring and axial force sliding bearing stationary ring are one in front and one in back set up in parallel.
Further, the stationary ring being positioned at the radial sliding bearing of transmission shaft front end is installed on bearing support inwall, the radial sliding bearing stationary ring being positioned at transmission shaft rear end is installed on inner pedestal inwall, and radial sliding bearing rotating ring is fixed on transmission shaft by O type circle.
Further, the both sides of described stressed dish contact with the radial sliding bearing rotating ring of the forward and backward end of transmission shaft.
Further, also comprise cooling channel, the center hole that cooling channel is provided with by radial hole A, the sliding bearing chamber C of the bearing support conveying cooling liquid that has of radial direction or medium, axial bore B, the inner chamber D of separation sleeve that inner pedestal is provided with, transmission shaft axial direction and the radial hole that transmission shaft front end is provided with form; Sliding bearing chamber C is the gap left between stressed dish periphery to bearing support, and sliding bearing chamber C communicates with radial hole A; Axial bore B front end communicates with radial hole A, and axial bore B rear end communicates with the inner chamber D of separation sleeve, and radial hole and the center hole of transmission shaft communicate, and is connected by the pump chamber of the pump housing with center hole by radial hole with the inner chamber D of separation sleeve.
Further, separation sleeve is stainless steel.
the invention has the beneficial effects as follows:magneto drive helical rotor pump of the present invention, be finished hermetic separation sleeve to seal, utilize the non-contact type magnetic of inner and outer Rotator to drive, solve the problem of power transmission, make the dynamic seal (packing) of pump become static sealing, absolute nothing when accomplishing fed sheet of a media is revealed.Solve the problem of difficult sealing.Avoid the phenomenons such as the run, drip, leak in fluid conveying to occur, prevent the generation of contingency, ensure that the Security that fluid is carried.Helical rotor pump is different from centrifugal pump, there is very large axial force and run moment of torsion, the present invention is by the combination of special bearing, the axial force making helical rotor pump large and the problem of radial force are solved, magnet rotor is easily made to produce heat for high pulling torque, reduce the problem of magnetic forces of magnet rotor, by the special type of cooling, sliding bearing is lubricated, the temperature of inside and outside magnetic rotor is effectively reduced, maintain the magnetic force performance of magnet rotor, ensure that the reliability of bearing and magnetic rotor, add pump working life.The helical rotor pump of magneto drive of the present invention, has widened the application of helical rotor pump further, has improve economic benefit, is the wide prospect that enterprise brings.
Accompanying drawing explanation
Fig. 1. structural representation of the present invention;
Fig. 2. the enlarged view of cooling channel in Fig. 1 of the present invention.
Reference character: 1-discharge body, 2-stator, 3-rotor, 4-coupling rod, 5-pump housing, 6-transmission shaft, 7-O type circle, 8-bearing support, 9-stressed dish, 10-inner pedestal, 11-connecting frame, 12-interior magnet rotor, 13-locking nut, 14-separation sleeve, 15-outer magnet rotor, 16-reducing motor, 17-radial sliding bearing stationary ring, 18-radial sliding bearing rotating ring, 19-axial force sliding bearing rotating ring, 20-axial force sliding bearing stationary ring.
Embodiment
As shown in Figure 1, a kind of magneto drive helical rotor pump is made up of helical rotor pump, slide bearing assembly, magnetic driving equipment and reducing motor, and magneto drive helical rotor pump totally can be divided into fixing external cavity parts and inner rotary component two-part.The discharge body 1 that helical rotor pump is connected by stator 2 front end, the rotor 3 installed in stator 2 forms, the rear end of stator connects with the pump housing 5 front end, rotor 3 is connected by the front end of coupling rod 4 with transmission shaft 6, its Placement is that pin connects, there is certain universal effect, coupling rod 4 is positioned at the pump chamber of the pump housing 5, the rear end of the pump housing 5 is connected by bolt and bearing support 8 front end, bearing support 8 rear end is connected by the flange of connecting frame with reducing motor 16, described external cavity parts are from front to back by discharge body 1, stator 2, the pump housing 5, bearing support 8, separation sleeve 14 connects formation successively.
Magnetic driving equipment comprises interior magnet rotor 12, outer magnet rotor 15 and reducing motor 16 and forms, and interior magnet rotor 12 is fixed on transmission shaft 6 by transmission shaft 6 rear end locking nut 13, the front end of outer magnet rotor 15 is groove type, the rear end of outer magnet rotor is installed on the pto＝power take-off of reducing motor 16, in, outer magnet rotor inside is all containing some pieces of permanent magnet material, mutual formation magnetic coupling, in, separate with the stainless steel separation sleeve 14 of cup-shaped between outer magnet rotor, separation sleeve 14 is loaded in the outer magnet rotor 15 of groove type, separation sleeve 14 and interior, do not contact between outer magnet rotor, leave very little gap, interior magnet rotor is arranged in the inner chamber D(cup of separation sleeve), when rotating under the driving of outer magnet rotor 15 at reducing motor, in driving under the effect of magnetic coupling, magnet rotor 12 rotates, thus drive the rotor 3 of screw pump to rotate.
Because helical rotor pump is different from centrifugal pump, the characteristic had due to itself, larger axial force and radial force can be produced when pump operates, the present invention is provided with three groups of special slide bearing assemblies for this reason, bear this power, transmission shaft is constrained on bearing support, now, transmission shaft 6 can only rotate, and can not move axially; As shown in Figure 2, slide bearing assembly is primarily of: 2 groups of radial sliding bearings and 1 group of axial force sliding bearing composition; The front and back ends of transmission shaft 6 is radial sliding bearings, and each radial sliding bearing is made up of radial sliding bearing rotating ring 18 and radial sliding bearing stationary ring 17; Be one group of axial force sliding bearing in the middle of transmission shaft, it is made up of axial force sliding bearing stationary ring 20 and axial force sliding bearing rotating ring 19.A radial sliding bearing rotating ring 18 is all set with in the forward and backward end of transmission shaft 6, each radial sliding bearing rotating ring 18 is set with a radial sliding bearing stationary ring 17, be provided with inner pedestal 10 outside the radial sliding bearing stationary ring 17 of transmission shaft 6 rear end, inner pedestal 10 is bolted on the rear portion in bearing support 8; The stationary ring 17 being positioned at the radial sliding bearing of transmission shaft 6 front end is installed on bearing support 8 inwall, the radial sliding bearing stationary ring 17 being positioned at transmission shaft 6 rear end is installed on inner pedestal 10 inwall, and radial sliding bearing rotating ring 18 is fixed on transmission shaft 6 by O type circle 7; Stressed dish 9 is fixed on the middle part of transmission shaft 6 by flat key suit, axial force sliding bearing rotating ring 19 is embedded in the rear end of stressed dish 9, rotate with transmission shaft 6, axial force sliding bearing stationary ring 20 is installed on inner pedestal 10, and axial force sliding bearing rotating ring 19 and axial force sliding bearing stationary ring 20 are one in front and one in back set up in parallel.Such three groups of sliding bearing pairs just constitute special bearing unit, can bear radial force, also can bear the axial force from screw pump.
Separation sleeve 14 opening of cup-shaped is by the bolt for coupling shaft bearing 8 and connecting frame 11 by separation sleeve opening compresses, and separation sleeve 14 is generally stainless steel, to avoid producing magnetic.By sealing gasket sealing between separation sleeve 14 and bearing support 8, the inner chamber of separation sleeve 14 communicates with bearing support 8 inner chamber and defines the cavity of a back-end closure, in interior magnet rotor 12 and slide bearing assembly are included in by this cavity, the axial direction of transmission shaft 6 is provided with center hole, the front end of transmission shaft 6 is provided with radial hole, radial hole and center hole communicate, and are communicated by the inner chamber of the pump chamber of the pump housing 5 and separation sleeve 14 by radial hole and center hole.Having gap between stressed dish 9 to bearing support 8 is sliding bearing chamber C, and sliding bearing chamber C communicates with the radial hole A be provided with in the middle part of bearing support 8; Inner pedestal 10 is provided with axial bore B, and axial bore B rear end communicates with the inner chamber D of separation sleeve 14, and radial hole A communicates with axial bore B front end.Inside and outside magnet rotor is when transmitting large moment of torsion; usually heat can be produced; if these heat transmission are not gone out; the temperature of magnetic material will be made to raise and lose or reduce magnetic; the present invention is provided with cooling channel for this reason; introduce the medium that is transferred in the inner chamber of separation sleeve 14, specifically as shown in Figure 2: conveying cooling liquid or the medium radial hole A from bearing support in the middle part of 8 enters in the C of sliding bearing chamber, ensure that the lubrication and cooling of three groups of sliding bearings.In addition, from the cooling liquid that the aperture of radial hole A enters, also can enter from the axial bore B inner pedestal 10 in the inner chamber D in separation sleeve 14, interior magnet rotor 12 is fully immersed in medium or cooling liquid, the temperature of magnet rotor 12 in reducing, magnetic force disappears because temperature is too high to prevent it.Last medium or cooling liquid enter transmission shaft 6 by the rear end of the center hole E of transmission shaft 6 again, then flow in the pump chamber of the pump housing 5 from the radial hole F of transmission shaft 6 front end.Medium, in the process flowed into, not only makes slide bearing assembly obtain lubrication and cooling, adds the life-span of bearing, and make the temperature of interior magnet rotor remain on lower temperature, ensure that magnetic force can not disappear.
Claims (9)
1. a magneto drive helical rotor pump, comprise the discharge body connected by stator, stator front end, helical rotor pump that the rotor installed in stator forms, it is characterized in that: also comprise magnetic driving equipment be made up of reducing motor, interior magnet rotor and groove type outer magnet rotor, by discharging body (1), stator (2), the tubulose pump housing (5), bearing support (8), cup-shaped separation sleeve (14) connect the inner chamber formed successively, bearing support (8) rear end is also connected with the flange of reducing motor by connecting frame (11), rotor (3) is connected by the front end of coupling rod (4) with transmission shaft (6), coupling rod (4) is positioned at the pump chamber of the pump housing (5), transmission shaft (6) is installed in bearing support (8), interior magnet rotor (12) is installed in the rear end of transmission shaft (6), the outer magnet rotor (15) of groove type is located on the pto＝power take-off of reducing motor (16), outer magnet rotor (15) is positioned at the frame of connecting frame (11), the separation sleeve (14) of cup-shaped is located in the groove of outer magnet rotor (15), in, separated completely by the separation sleeve (14) of cup-shaped between outer magnet rotor, separation sleeve (14) and interior, do not contact between outer magnet rotor, leave gap, interior magnet rotor is arranged in the inner chamber D of separation sleeve (14), outer magnet rotor (15) rotates under the driving of reducing motor, in driving under the effect of magnetic coupling, magnet rotor (12) rotates.
2. a kind of magneto drive helical rotor pump as claimed in claim 1, it is characterized in that: the opening of cup-shaped separation sleeve (14) is compressed by the connecting bolt of bearing support (8) with connecting frame (11), is provided with sealing gasket between the rim of a cup of cup-shaped separation sleeve and coupling shaft bearing (8) rear end.
3. a kind of magneto drive helical rotor pump as claimed in claim 1, is characterized in that: interior magnet rotor (12) is fixed on transmission shaft (6) by axle head locking nut (13) by the rear end of transmission shaft (6).
4. a kind of magneto drive helical rotor pump as claimed in claim 1, it is characterized in that: the rotor (3) of helical rotor pump is connected with transmission shaft (6) by coupling rod (4), and the Placement at coupling rod (4) two ends is pin universal joint.
5. a kind of magneto drive helical rotor pump as described in any one of claim 1-4, is characterized in that: also comprise slide bearing assembly, and slide bearing assembly is primarily of two groups of radial sliding bearings and one group of axial force sliding bearing composition; The front and back ends of transmission shaft (6) is radial sliding bearing, and each radial sliding bearing is made up of radial sliding bearing rotating ring (18) and radial sliding bearing stationary ring (17); Axial force sliding bearing is made up of axial force sliding bearing stationary ring (20) and axial force sliding bearing rotating ring (19); A radial sliding bearing rotating ring (18) is all set with in the forward and backward end of transmission shaft (6), upper suit one radial sliding bearing stationary ring (17) of each radial sliding bearing rotating ring (18), be provided with inner pedestal (10) outside the radial sliding bearing stationary ring (17) of transmission shaft (6) rear end, inner pedestal (10) is bolted on the rear portion in bearing support (8); The middle part suit of transmission shaft (6) is fixed with stressed dish (9), axial force sliding bearing rotating ring (19) is embedded in the rear end of stressed dish (9), rotate with transmission shaft (6), axial force sliding bearing stationary ring (20) is installed on inner pedestal (10), and axial force sliding bearing rotating ring (19) and axial force sliding bearing stationary ring (20) are one in front and one in back set up in parallel.
6. a kind of magneto drive helical rotor pump as claimed in claim 5, it is characterized in that: the stationary ring (17) being positioned at the radial sliding bearing of transmission shaft (6) front end is installed on bearing support (8) inwall, the radial sliding bearing stationary ring (17) being positioned at transmission shaft (6) rear end is installed on inner pedestal (10) inwall, and radial sliding bearing rotating ring (18) is fixed on transmission shaft (6) by O type circle (7).
7. a kind of magneto drive helical rotor pump as claimed in claim 5, is characterized in that: the both sides of described stressed dish (9) contact with the radial sliding bearing rotating ring (18) of transmission shaft (6) forward and backward end.
8. a kind of magneto drive helical rotor pump as described in claim 1,2,3,4,6 or 7, it is characterized in that: also comprise cooling channel, the center hole that the axial bore B that the radial hole A of the conveying cooling liquid that cooling channel is had by bearing support (8) radial direction or medium, sliding bearing chamber C, inner pedestal (10) are provided with, the inner chamber D of separation sleeve (14), transmission shaft (6) axial direction are provided with and the radial hole that transmission shaft (6) front end is provided with form; Sliding bearing chamber C is the gap left between stressed dish (9) periphery to bearing support (8), and sliding bearing chamber C communicates with radial hole A; Axial bore B front end communicates with radial hole A, and axial bore B rear end communicates with the inner chamber D of separation sleeve (14), and radial hole and the center hole of transmission shaft (6) communicate, and is connected by the inner chamber D of the pump chamber of the pump housing (5) with separation sleeve (14) with center hole by radial hole.
9. a kind of magneto drive helical rotor pump as claimed in claim 8, is characterized in that: separation sleeve is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510635749.8A CN105221418B (en) | 2015-09-30 | 2015-09-30 | Magnetic drive single-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510635749.8A CN105221418B (en) | 2015-09-30 | 2015-09-30 | Magnetic drive single-screw pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221418A true CN105221418A (en) | 2016-01-06 |
| CN105221418B CN105221418B (en) | 2017-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510635749.8A Active CN105221418B (en) | 2015-09-30 | 2015-09-30 | Magnetic drive single-screw pump |
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| Country | Link |
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| CN (1) | CN105221418B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350656A (en) * | 2018-12-24 | 2020-06-30 | 华中科技大学 | Submarine sewage pump with high reliable sealing |
| CN112452184A (en) * | 2020-12-18 | 2021-03-09 | 张家港开密浦制泵有限公司 | Shielding stirrer |
| CN114810582A (en) * | 2022-06-07 | 2022-07-29 | 合肥新沪屏蔽泵有限公司 | Shielding type inner meshing cycloid gear pump |
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| CN201031797Y (en) * | 2007-04-29 | 2008-03-05 | 崔炳如 | Totally enclosed double screws type ammonia refrigerating compressor |
| US20080085203A1 (en) * | 2006-10-06 | 2008-04-10 | Moyno, Inc. | Progressing cavity pump with wobble stator and magnetic drive |
| US20100111742A1 (en) * | 2006-10-17 | 2010-05-06 | Johnson Pump Brussels N.V. | Rotary positive displacement pump with magnetic coupling having integrated cooling system |
| CN201474963U (en) * | 2009-09-04 | 2010-05-19 | 黄山工业泵制造有限公司 | External magnetic drive double-screw pump |
| JP2013011189A (en) * | 2011-06-28 | 2013-01-17 | Furukawa Industrial Machinery Systems Co Ltd | Uniaxial eccentric screw pump |
| CN205013283U (en) * | 2015-09-30 | 2016-02-03 | 耐驰（兰州）泵业有限公司 | Magnetic force actuation single -screw pump |
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2015
- 2015-09-30 CN CN201510635749.8A patent/CN105221418B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315188A (en) * | 2004-04-30 | 2005-11-10 | Heishin Engineering & Equipment Co Ltd | Magnet coupling type pump |
| US20080085203A1 (en) * | 2006-10-06 | 2008-04-10 | Moyno, Inc. | Progressing cavity pump with wobble stator and magnetic drive |
| US20100111742A1 (en) * | 2006-10-17 | 2010-05-06 | Johnson Pump Brussels N.V. | Rotary positive displacement pump with magnetic coupling having integrated cooling system |
| CN201031797Y (en) * | 2007-04-29 | 2008-03-05 | 崔炳如 | Totally enclosed double screws type ammonia refrigerating compressor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350656A (en) * | 2018-12-24 | 2020-06-30 | 华中科技大学 | Submarine sewage pump with high reliable sealing |
| CN111350656B (en) * | 2018-12-24 | 2021-10-08 | 华中科技大学 | Submarine sewage pump with high reliable sealing |
| CN112452184A (en) * | 2020-12-18 | 2021-03-09 | 张家港开密浦制泵有限公司 | Shielding stirrer |
| CN114810582A (en) * | 2022-06-07 | 2022-07-29 | 合肥新沪屏蔽泵有限公司 | Shielding type inner meshing cycloid gear pump |
| CN114810582B (en) * | 2022-06-07 | 2023-12-26 | 合肥新沪屏蔽泵有限公司 | Shielding type internal engaged cycloidal gear pump |
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| CN105221418B (en) | 2017-04-26 |
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