CN203617838U - Pump for conveying medium - Google Patents
Pump for conveying medium Download PDFInfo
- Publication number
- CN203617838U CN203617838U CN201320700028.7U CN201320700028U CN203617838U CN 203617838 U CN203617838 U CN 203617838U CN 201320700028 U CN201320700028 U CN 201320700028U CN 203617838 U CN203617838 U CN 203617838U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pump
- rotor
- stator
- synchronous machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000005389 magnetism Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 244000050510 Cunninghamia lanceolata Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000001738 isopycnic centrifugation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/0633—Details of the bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a pump (1) for conveying a liquid, viscous or solid medium, which comprises a synchronous motor (2) and two pipe flanges (9, 10), wherein the synchronous motor is provided with a permanent magnetic rotor (3) and a stator (4), the rotor (3) is separated from the stator (4) through at least one bearing (5), the rotor is provided with at least one running wheel (8), and the synchronous motor (2) can be arranged between the pipe flanges (9, 10) in a disconnection mode.
Description
Technical field
The utility model relates to a kind of pump for delivery of medium.The utility model relates in particular to a kind of pump for delivery of medium, and this pump comprises a synchronous machine, and this synchronous machine has rotor and a stator of a permanent magnetism.
Background technology
From pump in a large number known in the state of the art, they comprise a synchronous machine.In most of the cases, in complicated structure, the most of devices in these devices do not have best efficiency.
Utility model content
Therefore task of the present utility model is, introduces a kind of pump, and its simple structure has higher efficiency and guaranteed the mobile trend of the laminar flow in pump.
The pump of the feature of this task by having claim 1 solves: a kind of pump for delivery of liquid state, sticky or solid-state medium, comprise a synchronous machine and two pipes flange, described synchronous machine has rotor and a stator of a permanent magnetism, wherein, described rotor is spaced apart by least one bearing and described stator, described rotor has at least one active wheel, and described synchronous machine is releasably arranged between described pipe flange.
As stator, be interpreted as fixing, the Immobile part of a device.
Be known as rotor with the counterpart of stator, it shows as the part movable, that rotate of described device.
Synchronous machine is mainly made up of a stator and a rotor.
Synchronous machine is the operating synchronous motor of motor, wherein, the rotary body of a constant magnetic, i.e. rotor, is synchronously driven in stator around by the magnetized rotating field of a motion.The synchronous machine of running has a motion of synchronizeing with alternating voltage.
Field in rotary body is by permanent magnet, and preferred magnetized ferrite cylinder produces as rotary body.Stator coil especially preferably utilizes an alternating current coupling, controlled to move by a frequency converter in the case of larger synchronous motor.Can realize thus the drive unit of the variable speed of relatively high power.
In the situation that connecting, described stator rotation field is rotated with synchronous speed immediately.But described rotary body accelerates because its moment of inertia needs some times.Therefore, synchronous machine needs dynamic auxiliary part together, preferably a starting retainer.Reach synchronous speed if described rotary body is approximate, connected the exciting current of described rotary body winding, thus rotor has been pulled in the stator rotation field of rotation.
Active wheel is a part motion, rotation of pump.Described active wheel is the part of described rotor preferably.
Described active wheel is by a circle (guiding) blade, impeller rotor blade formation in other words, and they preferably remain on described rotor via a suitable fixture.
Described active wheel is connected in locking manner with described rotor preferred material.The manufacture of being undertaken by integrated foundry goods in the case or being welded to connect between active wheel and rotor are suitable.Especially preferred, the connection of form fit is also applicable to, and it also can be thrown off.
Preferably, described active wheel is made up of non-ferrous metal, metal or plastics.
The use of flange shows a kind of method, by segment seal ground but releasably interconnect.Key for sealing is, the sealing surface of annular is applied to the thrust on the seal between it.Described thrust preferably realizes by means of Screw connector, and they insert through the perforation in the flange plate of flange.
Bearing is the machine element for guiding the member that can mutually move.Bearing has been realized the motion in the degree of freedom of hope and has been prevented the motion in undesirable degree of freedom.
A kind of favourable improvement project regulation of the present utility model, described bearing is a sliding bearing, rolling bearing or ball bearing.
Can wasted power and wearing and tearing be kept very littlely as far as possible by friction and therefore thus.Preferably journal bearing, especially preferably radial-axial-bearing (radial-thrust bearing).Particularly preferably also can use hydrostatic sliding bearing, its efficiency is higher.
The improvement project regulation that another kind of the present utility model is favourable, described bearing arrangement is between described stator and described rotor.Described bearing is arranged and is arranged on the inner surface of described stator at this outer surface around described rotor.Described bearing, described rotor and described stator preferably have the shape of an open tubular column bodily form.
Preferably, described bearing is arranged between described stator and described rotor along radial direction and/or axial direction, in order to guarantee the best supporting without movement in described synchronous machine of described stator and described rotor.
Setting by described bearing between described stator and described rotor, makes described synchronous machine in the case of higher efficiency, realize approximate break-even, uniform rotational motion.
The improvement project regulation that another kind of the present utility model is favourable, additionally arranges at least one support of bearing.
Obtain thus following possibility, the inside by described rotor bearing at described pump.The described support of bearing is design as follows preferably, makes it have a containment device, a preferably opening, and in order to hold an axle, wherein, described opening is medially along the longitudinal extension of described pump.
The improvement project regulation that another kind of the present utility model is favourable, the described support of bearing has an axle.
Axle is the machine element of a clavate in its simplest shape, and it is for transmitting rotational motion and torque.Different from axis, axle transmitting torque and bear torsion.
The described support of bearing designs as follows, makes it hold described axle.
The improvement project regulation that another kind of the present utility model is favourable, described axle leads to described active wheel.
Guaranteed thus described active wheel and therefore described rotor just can medially in described pump, guide.
Preferably, the active wheel being connected with described rotor is also fixing to be connected with the described axle in ground.
At this jockey (dovetail or Chinese fir) of the sealed jockey of selection material (one-body molded cast or weld) or form fit preferably.Thus, this force closure not only for by described transmission of torque to described axle, and for equilibrium centrifugation power, this centrifugal force is considerable in machine larger and quick rotation.
The improvement project regulation that another kind of the present utility model is favourable is arranged at least one bearing between the described support of bearing and described axle.
Can wasted power and wearing and tearing be kept very littlely as far as possible by the friction in described bearing and therefore thus.Described axle can not be obstructed and implement its rotational motion.
The improvement project regulation that another kind of the present utility model is favourable, the described support of bearing is connected with described stator.
The described support of bearing can be fixedly mounted on described stator and therefore be arranged in described pump with simple mode and method position thus.This is fixing is preferably welded to connect by means of one or a compound casting connects to carry out.
Especially preferably, the described support of bearing has the fixed connection apparatus of at least one and described stator.The described support of bearing for example can be connected by means of a strutting piece with described stator thus.
In order to improve the rigidity of described connection, the fixed connection apparatus of two, three, four or more and described stator is especially preferably set.
The improvement project regulation that another kind of the present utility model is favourable, described medium is liquid, sticky or solid-state medium.
Thus except can be delivering liquid with sticky medium, can also carry solid matter, as gravel, rubble etc.
The improvement project regulation that another kind of the present utility model is favourable, described pump can be integrated in a guard system.
By pipe flange is installed to described synchronous machine from both sides, obtained following possibility, that is, described pump is easily placed in each existing guard system and is integrated in other words in a system.
Accompanying drawing explanation
Other advantage of the present utility model and details by means of show in the accompanying drawings and the embodiment that is described in more detail below explain.Wherein:
Fig. 1: show the three-dimensional view according to pump of the present utility model,
Fig. 2: show Fig. 1 according to the sectional arrangement drawing of pump of the present utility model,
Fig. 3: show the sectional arrangement drawing of the execution mode of a kind of alternative of Fig. 1,
Fig. 4: the details A that shows Fig. 3.
Embodiment
Fig. 1 shows according to the three-dimensional view of pump 1 of the present utility model.Described pump 1 is divided into three subregions in principle: one is provided with the synchronous machine 2 of housing, and on the left side and be connected on the right the pipe flange 9 and 10 on described synchronous machine 2.
In Fig. 2, there is shown the single part according to pump of the present utility model in a vertical section.In view of Fig. 2, the first only independent cooperation of describing single part and explaining in detail subsequently them.
The pump of Fig. 2 has following part: a synchronous machine 2, a sliding bearing 5, an active wheel 8 and two pipes flange 9 and 10, described synchronous machine is made up of a rotor 3 and a stator 4.
The rotor 3 of described synchronous machine 2 comprises described active wheel 8.Described active wheel 8 is made up of a circle blade/impeller, and they preferably remain on described rotor 3 via a suitable fixture.Active wheel 8 described in figure is by means of being welded to connect, or form fit ground or material are fixedly connected with described rotor 3 in locking manner.
Described (rotational symmetric) rotor 3 is arranged in such a way with respect to described stator 4, and two parts of described synchronous machine 2 are not fallen together, that is to say the contact that does not directly contact and therefore do not have body.In order to ensure this contactless state, two sliding bearings 5 are set.At this, described sliding bearing 5 radially open tubular column bodily form ground is arranged around two outside subregions of the shell face of described rotor 3.
Described sliding bearing 5 is also positioned at two opposed location on the medial surface of described stator 4, contacts with the direct of described stator 4 thereby got rid of described rotor 3.
Described synchronous machine 2 is releasably installed by means of Screw connector (not shown) between described two pipes flange 9 and 10.
According in pump 1 of the present utility model, in the case of the continuous rotational motion radially of the rotor 3 of described permanent magnetism, can be effectively and delivering liquid, sticky and solid-state medium constantly.At this, except the uniform rotation of described active wheel, also should suppress turbulent the flowing of carried medium.
In Fig. 3, there is shown in a vertical section Fig. 1 according to the single part of the execution mode of pump of the present utility model alternative.In view of Fig. 3, the first only independent cooperation of describing single part and explaining in detail subsequently them.
The pump of Fig. 3 has following part: a synchronous machine 2, a sliding bearing 5, a support of bearing 6, an axle 7, an active wheel 8 and two pipes flange 9 and 10, described synchronous machine is made up of a rotor 3 and a stator 4.
The rotor 3 of described synchronous machine 2 comprises described active wheel 8.Described active wheel 8 is made up of a circle blade/impeller, and they preferably remain on described rotor 3 via a suitable fixture.Active wheel 8 described in figure is by means of being welded to connect, or form fit ground or material are connected with described rotor 3 in locking manner.
Described rotor 3 is arranged in such a way with respect to described stator 4, and two parts of described synchronous machine 2 are not fallen together, that is to say the contact that does not directly contact and therefore do not have body.In order to ensure contactless state, two sliding bearings 5, two supports of bearing 6 and axles 7 are set.
The described support of bearing 6 cruciform shape ground extend to the both sides of described active wheel 8 in the inside of described pump 1 along radial direction.At this, the described support of bearing 6 is connected with described stator 4 regularly.The described support of bearing 6 is for supporting described axle 7.Described sliding bearing 5(Fig. 4 is set between the described support of bearing 6 and described axle 7).Described sliding bearing 5 is arranged around described axle 7 two ends on a subregion at this.
Described synchronous machine 2 is releasably installed by means of Screw connector (not shown) between described two pipes flange 9 and 10.
According in pump 1 of the present utility model, in the case of the continuous rotational motion radially of the rotor 3 of described permanent magnetism, can be effectively and delivering liquid, sticky and solid-state medium constantly.In order to suppress turbulent the flowing in described pump 2, preferably one cap/dome is sleeved on to (not shown) on two ends of described axle 7.Described cap has a similar hemisphere or bell geometry at this, and the flow behavior of itself and described pump inside matches.
By means of the unit that a compactness is provided according to pump of the present utility model, be further characterized in that simple technical construction and a very little number of spare parts, and also there is the mobile trend of a higher efficiency and an approximate laminar flow.
Reference numerals list
1 pump
2 synchronous machines
3 rotors
4 stators
5 bearings
6 supports of bearing
7 axles
8 active wheels
9 first pipes flange
10 second pipes flange
Claims (10)
1. for delivery of the pump (1) of liquid state, sticky or solid-state medium, comprise a synchronous machine (2) and two pipes flange (9,10), described synchronous machine has rotor (3) and a stator (4) of a permanent magnetism, wherein,
-described rotor (3) is spaced apart by least one bearing (5) and described stator (4),
-described rotor (3) have at least one active wheel (8) and
-described synchronous machine (2) can disengageably be arranged between described pipe flange (9,10).
2. according to pump claimed in claim 1 (1), wherein, described bearing (5) is sliding bearing, rolling bearing or ball bearing.
3. according to the pump (1) described in any one in claim 1 and 2, wherein, between described stator (4) and described rotor (3), arrange a bearing (5).
4. according to the pump (1) described in any one in claim 1 and 2, wherein, at least one support of bearing (6) is additionally set.
5. according to pump claimed in claim 4 (1), wherein, the described support of bearing (6) has an axle (7).
6. according to pump claimed in claim 5 (1), wherein, described axle (7) leads to described active wheel (8).
7. according to the pump described in any one in claim 4 to 6 (1), wherein, between the described support of bearing (6) and described axle (7), arrange at least one bearing (5).
8. according to the pump described in any one in claim 4 to 7 (1), wherein, the described support of bearing (6) is connected with described stator (4).
9. according to pump claimed in claim 8 (1), wherein, the described support of bearing (6) has the fixed connection apparatus of at least one and described stator (5).
10. according to pump in any one of the preceding claims wherein (1), wherein, described pump (1) can be integrated in a guard system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202012010653U DE202012010653U1 (en) | 2012-11-07 | 2012-11-07 | Pump for conveying media |
| DE202012010653.8 | 2012-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617838U true CN203617838U (en) | 2014-05-28 |
Family
ID=47426167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700028.7U Expired - Lifetime CN203617838U (en) | 2012-11-07 | 2013-11-07 | Pump for conveying medium |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3188469U (en) |
| KR (1) | KR20140002898U (en) |
| CN (1) | CN203617838U (en) |
| DE (1) | DE202012010653U1 (en) |
| TW (1) | TWM484016U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567837A (en) * | 2016-10-31 | 2017-04-19 | 新界泵业集团股份有限公司 | Axial-flow type hot water circulating pump |
| CN106640677A (en) * | 2016-10-31 | 2017-05-10 | 新界泵业集团股份有限公司 | Permanent magnetic circulating pump with improved rotor structure |
| CN110131180A (en) * | 2019-07-02 | 2019-08-16 | 戴胜电器有限公司 | A kind of hollow shaft Permanent Magnet and Electric pump |
| CN116641900A (en) * | 2023-07-21 | 2023-08-25 | 威晟汽车科技(宁波)有限公司 | Axial-flow type electronic water pump and manufacturing process |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013012341A1 (en) * | 2013-07-25 | 2015-01-29 | Winter.pumpen GmbH | Rotor for an electric machine |
| EP3374642B1 (en) * | 2015-11-10 | 2022-03-02 | Pierburg Pump Technology GmbH | Electric axial-flow liquid pump for motor vehicle |
| JP7449157B2 (en) * | 2020-04-28 | 2024-03-13 | 株式会社荏原製作所 | motor pump |
| DE102021125982A1 (en) | 2021-10-06 | 2023-04-06 | Nidec Gpm Gmbh | Axial pump with axial flow motor |
-
2012
- 2012-11-07 DE DE202012010653U patent/DE202012010653U1/en not_active Expired - Lifetime
-
2013
- 2013-11-06 TW TW102220707U patent/TWM484016U/en not_active IP Right Cessation
- 2013-11-07 KR KR2020130009161U patent/KR20140002898U/en active IP Right Grant
- 2013-11-07 CN CN201320700028.7U patent/CN203617838U/en not_active Expired - Lifetime
- 2013-11-07 JP JP2013006377U patent/JP3188469U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567837A (en) * | 2016-10-31 | 2017-04-19 | 新界泵业集团股份有限公司 | Axial-flow type hot water circulating pump |
| CN106640677A (en) * | 2016-10-31 | 2017-05-10 | 新界泵业集团股份有限公司 | Permanent magnetic circulating pump with improved rotor structure |
| CN110131180A (en) * | 2019-07-02 | 2019-08-16 | 戴胜电器有限公司 | A kind of hollow shaft Permanent Magnet and Electric pump |
| CN116641900A (en) * | 2023-07-21 | 2023-08-25 | 威晟汽车科技(宁波)有限公司 | Axial-flow type electronic water pump and manufacturing process |
| CN116641900B (en) * | 2023-07-21 | 2024-01-02 | 威晟汽车科技(宁波)有限公司 | Axial-flow type electronic water pump and manufacturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202012010653U1 (en) | 2012-11-26 |
| TWM484016U (en) | 2014-08-11 |
| KR20140002898U (en) | 2014-05-15 |
| JP3188469U (en) | 2014-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |