CN105515316A - Self-driving cage rotor for cage type powder concentrator - Google Patents
Self-driving cage rotor for cage type powder concentrator Download PDFInfo
- Publication number
- CN105515316A CN105515316A CN201510983756.7A CN201510983756A CN105515316A CN 105515316 A CN105515316 A CN 105515316A CN 201510983756 A CN201510983756 A CN 201510983756A CN 105515316 A CN105515316 A CN 105515316A
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- Prior art keywords
- fixed shaft
- central fixed
- wheel hub
- self
- cage
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- 239000000843 powder Substances 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012216 screening Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 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
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the cage type powder concentrator technical field and relates to a self-driving cage rotor for a cage type powder concentrator. The self-driving cage rotor comprises a hub; the lower end of the hub is provided with a spoke plate; the top surface of the spoke plate is uniformly provided with a group of blades which are adjacent to the edge of the spoke plate; the blades are all vertical to the spoke plate; a connecting sheet is arranged between the top of each blade and the hub; the inner wall of the hub is uniformly provided with a group of permanent magnets; a center fixing shaft is arranged in the hub; the center fixing shaft and the hub are coaxially arranged; the outer side of a portion of the center fixing shaft which is arranged in the hub is provided with a three-phase alternating current stator winding; the top end of the hub is provided with an upper bearing seat and an upper bearing; and the bottom end of the hub is provided with a lower bearing seat and a lower bearing. According to the self-driving cage rotor for the cage type powder concentrator of the invention, the self-driving cage permanent magnet rotor is adopted, and the structure of the self-driving cage rotor is reasonable. The self-driving cage rotor can be directly driven and has the advantages of high screening efficiency, excellent energy-saving and emission-reduction effect and high rigidity.
Description
Technical field
The present invention relates to cage type powder selection device technical field, be specifically related to a kind of adopt self-powered p-m rotor, can Direct driver, screening effeciency is high, effects of energy saving and emission reduction good, the self-driving type cage rotor for cage type powder concentrator of good rigidly.
Background technology
The cage rotor of current all cage type powder concentrators is all be fixed on rotating drive shaft, passes through reductor, belt pulley or shaft coupling drive power transmission shaft to rotate thus drive the cage rotor on power transmission shaft to rotate by external motor.Owing to adopting this kind of power delivery mode, cause cage type air outlet of powder concentrator and cage rotor air outlet angled, not only resistance to flow output greatly, easily causes air-out velocity flow profile uneven, and power transmission shaft is long simultaneously.Owing to there being the mechanical transfer parts such as reductor, have energy loss, transmission efficiency is also low.
Summary of the invention
The object of the invention is to overcome the external driving of needs that existing imperial shape powder concentrator rotor has, cause air-out velocity flow profile uneven, owing to there being the mechanical transfer parts such as reductor, there is energy loss, the deficiency that transmission efficiency is also low, and a kind of self-powered p-m rotor that adopts is provided, rational in infrastructure, can Direct driver, screening effeciency is high, effects of energy saving and emission reduction good, the self-driving type cage rotor for cage type powder concentrator of good rigidly.
The technical solution used in the present invention is:
A kind of self-driving type cage rotor for cage type powder concentrator, comprise a wheel hub vertically arranged, described wheel hub is cylindrical barrel structure, it is circular disc that the lower end of wheel hub and wheel hub are vertically installed with an end face, wheel hub and disc are coaxial setting, the end face of disc is evenly provided with one group of blade near the position at disc edge, described blade is all vertical with disc to be arranged, brace is respectively arranged with between the top of each blade and wheel hub, the inwall of described wheel hub is provided with and is evenly provided with a group permanent-magnet, described permanent magnet is all fitted with wheel hub inside, vertical setting, described wheel hub inside is provided with a central fixed shaft, described central fixed shaft and wheel hub are coaxially arranged, the arranged outside that described central fixed shaft is positioned at wheel hub part has three-phase alternating current stator winding, for noncontact is arranged between described three-phase alternating current stator winding and permanent magnet, the top of described wheel hub is provided with top chock, is provided with upper bearing (metal) between top chock and central fixed shaft, and the bottom of wheel hub is provided with step, is provided with lower bearing between step and central fixed shaft.
Three-phase alternating current stator winding through wires hole is provided with in described central fixed shaft, one end of described three-phase alternating current stator winding through wires hole is positioned at the center of central fixed shaft upper surface, and the other end of three-phase alternating current stator winding through wires hole is positioned at central fixed shaft and is positioned on the sidewall of wheel hub inside.
The top of described top chock is provided with upper press cover, the below of step is provided with lower cover, the top of central fixed shaft is positioned at the top of upper press cover through upper press cover, the bottom of central fixed shaft is positioned at the top of lower cover, is pressed down lid and is sealed in step.
Upper bearing (metal) tank filler sleeve and lower bearing tank filler sleeve is provided with in described central fixed shaft; One end of described upper bearing (metal) tank filler sleeve is positioned on the upper surface of central fixed shaft, and the other end of upper bearing (metal) tank filler sleeve is on the sidewall of central fixed shaft position between upper press cover and upper bearing (metal); One end of described lower bearing tank filler sleeve is positioned on the upper surface of central fixed shaft, and the other end of lower bearing tank filler sleeve is positioned on the lower surface of central fixed shaft.
Position between upper press cover and central fixed shaft, between the top chock and central fixed shaft of the below of upper bearing (metal), between position, step above lower bearing and central fixed shaft, position is provided with oil sealing.
Described blade is rectangle tabular, and the angle of blade and disc center line is angle α, and the scope of angle α is 0 °≤α≤60 °.
The top of described blade extends up to the top of end face place, wheel hub top plane.
The invention has the beneficial effects as follows: the self-driving type cage rotor for cage type powder concentrator provided by the invention is originally as the permanent magnetism cage rotor containing blade, and rotor rotates around fixed axis, fixed axis has three-phase alternating current stator winding.Owing to adopting fixed axis, axial ratio is shorter, good rigidly; Adopt self-powered p-m rotor, Direct driver, efficiency is high, energy-saving and emission-reduction; Adopt self-powered rotor, rotor air outlet is consistent with air outlet of powder concentrator, Uniform gas flow velocity, and flow field is stablized, and resistance is little; Owing to adopting self-powered rotor, accurately can control rotor speed, thus accurately control selected dust fineness.
In a word, the self-driving type cage rotor for cage type powder concentrator provided by the invention has and adopts self-powered p-m rotor, rational in infrastructure, can Direct driver, screening effeciency is high, effects of energy saving and emission reduction good, the advantage of good rigidly.
Accompanying drawing explanation
Fig. 1 is that the master of the self-driving type cage rotor for cage type powder concentrator provided by the invention looks sectional structure schematic diagram.
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram.
Fig. 3 is the mounting structure schematic diagram that the self-driving type cage rotor for cage type powder concentrator provided by the invention is installed on cage type powder concentrator.
In figure: 1, wheel hub; 2, disc; 3, blade; 4, brace; 5, permanent magnet; 6, central fixed shaft; 7, three-phase alternating current stator winding; 8, top chock; 9, upper bearing (metal); 10, step; 11, lower bearing; 12, three-phase alternating current stator winding through wires hole; 13, upper press cover; 14, lower cover; 15, upper bearing (metal) tank filler sleeve; 16, lower bearing tank filler sleeve; 17, oil sealing; 18, air outlet; 19; Housing.
Embodiment
Core of the present invention is to provide a kind of self-driving type cage rotor for cage type powder concentrator.Relate in following content up and down, level, the orientation such as vertical describe and all look orientation and position relationship in sectional structure schematic diagram with reference to the master of the self-driving type cage rotor for cage type powder concentrator shown by Fig. 1:
Below in conjunction with accompanying drawing, content of the present invention is described further:
A kind of self-driving type cage rotor for cage type powder concentrator, as shown in Fig. 1 ~ 3, comprise the wheel hub 1 that is vertically set to cylindrical barrel structure, it is circular disc 2 that the lower end of wheel hub 1 and wheel hub 1 are vertically welded with an end face, wheel hub 1 and disc 2 are coaxial setting, the end face of disc 2 is evenly provided with one group of blade 3 near the position at disc 2 edge, blade 3 is all vertical with disc 2 to be arranged, blade 3 is welded on disc 2, the top of blade 3 extends up to the top of end face place, wheel hub 1 top plane, brace 4 is respectively arranged with between the position at the close top of each blade 3 and wheel hub 1, blade 3 top is fixedly connected with between wheel hub 1 by brace 4, blade 3 is rectangle tabular, blade 3 is angle α with the angle of disc 2 center line, and the scope of angle α is 0 °≤α≤60 °, the inwall of wheel hub 1 is provided with and is evenly provided with a group permanent-magnet 5, permanent magnet 5 is all fitted with wheel hub 1 inside, and vertically arrange, wheel hub 1 inside is provided with a central fixed shaft 6, central fixed shaft 6 and wheel hub 1 are coaxially arranged, the arranged outside that central fixed shaft 6 is positioned at wheel hub 1 part has three-phase alternating current stator winding 7, for noncontact is arranged between three-phase alternating current stator winding 7 and permanent magnet 5, the top of described wheel hub 1 is provided with top chock 8, is provided with upper bearing (metal) 9 between top chock 8 and central fixed shaft 6, and the bottom of wheel hub 1 is provided with step 10, is provided with lower bearing 11 between step 10 and central fixed shaft 6, three-phase alternating current stator winding through wires hole 12 is provided with in central fixed shaft 6, one end of three-phase alternating current stator winding through wires hole 12 is positioned at the center of central fixed shaft 6 upper surface, the other end of three-phase alternating current stator winding through wires hole 12 is positioned at central fixed shaft 6 and is positioned on the sidewall of wheel hub 1 inside, and three-phase alternating current stator winding 7 is drawn out to rotor exterior for wiring by three-phase alternating current stator winding through wires hole 12, the top of top chock 8 is provided with upper press cover 13, the below of step 10 is provided with lower cover 14, the top of central fixed shaft 6 is positioned at the top of upper press cover 13 through upper press cover 13, the bottom of central fixed shaft 6 is positioned at the top of lower cover 14, is pressed down lid 14 and is sealed in step 10, upper bearing (metal) tank filler sleeve 15 and lower bearing tank filler sleeve 16 is provided with in central fixed shaft 6, one end of upper bearing (metal) tank filler sleeve 15 is positioned on the upper surface of central fixed shaft 6, and the other end of upper bearing (metal) tank filler sleeve 15 is on the sidewall of central fixed shaft 6 position between upper press cover 13 and upper bearing (metal) 9, one end of lower bearing tank filler sleeve 16 is positioned on the upper surface of central fixed shaft 6, and the other end of lower bearing tank filler sleeve 16 is positioned on the lower surface of central fixed shaft 6, between upper press cover 13 and central fixed shaft 6 position, between the top chock 8 and central fixed shaft 6 of the below of upper bearing (metal) 9, between position, step 10 above lower bearing 11 and central fixed shaft 6, position is provided with oil sealing 17.
Operation principle:
When three-phase alternating current stator winding is by three phase variable frequency alternating current, produce the rotating magnetic field synchronous with supply frequency, and the permanent magnet that wheel hub 1 inside adopts permanent magnetic material to make, it is at three-phase alternating current stator under the effect of the rotating magnetic field produced, and wheel hub 1 carries blade 3 to start to rotate.It is inner that cage rotor is contained in housing 19, and cage rotor center line overlaps with housing 19 center line.During work, dusty gas enters between housing 19 and cage modle shape rotor by housing 19 bottom; Due to the rotation of cage rotor, form eddy current flow field at peritrochanteric; Grit near rotor is subject to the effect of centrifugal inertial force and air viscous force (drag), and when drag is greater than centrifugal force, grit enters cage becomes qualified product and be selected; When drag is less than centrifugal force, grit is thrown to housing 19 inwall due to the effect of gravity and falls.
From above-mentioned embodiment, self-driving type cage rotor for cage type powder concentrator provided by the invention has employing self-powered p-m rotor, rational in infrastructure, can Direct driver, screening effeciency is high, effects of energy saving and emission reduction good, the advantage of good rigidly, and adopts the cage type powder concentrator of self-powered rotor, rotor air outlet is consistent with air outlet of powder concentrator 18, Uniform gas flow velocity, flow field is stablized, and resistance is little, accurately can control rotor speed, thus accurately control the advantage of selected dust fineness.
Claims (7)
1. the self-driving type cage rotor for cage type powder concentrator, it is characterized in that: comprise a wheel hub vertically arranged, described wheel hub is cylindrical barrel structure, it is circular disc that the lower end of wheel hub and wheel hub are vertically installed with an end face, wheel hub and disc are coaxial setting, the end face of disc is evenly provided with one group of blade near the position at disc edge, described blade is all vertical with disc to be arranged, brace is respectively arranged with between the top of each blade and wheel hub, the inwall of described wheel hub is provided with and is evenly provided with a group permanent-magnet, described permanent magnet is all fitted with wheel hub inside, vertical setting, described wheel hub inside is provided with a central fixed shaft, described central fixed shaft and wheel hub are coaxially arranged, the arranged outside that described central fixed shaft is positioned at wheel hub part has three-phase alternating current stator winding, for noncontact is arranged between described three-phase alternating current stator winding and permanent magnet, the top of described wheel hub is provided with top chock, is provided with upper bearing (metal) between top chock and central fixed shaft, and the bottom of wheel hub is provided with step, is provided with lower bearing between step and central fixed shaft.
2. the self-driving type cage rotor for cage type powder concentrator according to claim 1, it is characterized in that: in described central fixed shaft, be provided with three-phase alternating current stator winding through wires hole, one end of described three-phase alternating current stator winding through wires hole is positioned at the center of central fixed shaft upper surface, and the other end of three-phase alternating current stator winding through wires hole is positioned at central fixed shaft and is positioned on the sidewall of wheel hub inside.
3. the self-driving type cage rotor for cage type powder concentrator according to claim 1 and 2, it is characterized in that: the top of described top chock is provided with upper press cover, the below of step is provided with lower cover, the top of central fixed shaft is positioned at the top of upper press cover through upper press cover, the bottom of central fixed shaft is positioned at the top of lower cover, is pressed down lid and is sealed in step.
4. the self-driving type cage rotor for cage type powder concentrator according to claim 3, is characterized in that: be provided with upper bearing (metal) tank filler sleeve and lower bearing tank filler sleeve in described central fixed shaft; One end of described upper bearing (metal) tank filler sleeve is positioned on the upper surface of central fixed shaft, and the other end of upper bearing (metal) tank filler sleeve is on the sidewall of central fixed shaft position between upper press cover and upper bearing (metal); One end of described lower bearing tank filler sleeve is positioned on the upper surface of central fixed shaft, and the other end of lower bearing tank filler sleeve is positioned on the lower surface of central fixed shaft.
5. the self-driving type cage rotor for cage type powder concentrator according to claim 4, is characterized in that: position between upper press cover and central fixed shaft, between the top chock and central fixed shaft of the below of upper bearing (metal), between position, step above lower bearing and central fixed shaft, position is provided with oil sealing.
6. the self-driving type cage rotor for cage type powder concentrator according to claim 1, is characterized in that: described blade is rectangle tabular, the angle of blade and disc center line is angle α, and the scope of angle α is 0 °≤α≤60 °.
7. the self-driving type cage rotor for cage type powder concentrator according to claim 1, is characterized in that: the top of described blade extends up to the top of end face place, wheel hub top plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983756.7A CN105515316B (en) | 2015-12-24 | 2015-12-24 | Self-driving type cage rotor for cage type powder concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983756.7A CN105515316B (en) | 2015-12-24 | 2015-12-24 | Self-driving type cage rotor for cage type powder concentrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105515316A true CN105515316A (en) | 2016-04-20 |
| CN105515316B CN105515316B (en) | 2018-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983756.7A Active CN105515316B (en) | 2015-12-24 | 2015-12-24 | Self-driving type cage rotor for cage type powder concentrator |
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| Country | Link |
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| CN (1) | CN105515316B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5229677A (en) * | 1991-09-18 | 1993-07-20 | Newport News Shipbuilding And Dry Dock Company | Electric propulsion motor for marine vehicles |
| CN2176849Y (en) * | 1993-12-03 | 1994-09-14 | 国家建筑材料工业局合肥水泥研究设计院 | Air sorting machine for powder |
| US20150326094A1 (en) * | 2012-09-12 | 2015-11-12 | Christopher E. Cunningham | Subsea Compressor or Pump with Hermetically Sealed Electric Motor and with Magnetic Coupling |
| CN205544847U (en) * | 2015-12-24 | 2016-08-31 | 河南黎明重工科技股份有限公司 | A self -powered formula cage rotor that is used for cage type selection powder quick -witted |
-
2015
- 2015-12-24 CN CN201510983756.7A patent/CN105515316B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5229677A (en) * | 1991-09-18 | 1993-07-20 | Newport News Shipbuilding And Dry Dock Company | Electric propulsion motor for marine vehicles |
| CN2176849Y (en) * | 1993-12-03 | 1994-09-14 | 国家建筑材料工业局合肥水泥研究设计院 | Air sorting machine for powder |
| US20150326094A1 (en) * | 2012-09-12 | 2015-11-12 | Christopher E. Cunningham | Subsea Compressor or Pump with Hermetically Sealed Electric Motor and with Magnetic Coupling |
| CN205544847U (en) * | 2015-12-24 | 2016-08-31 | 河南黎明重工科技股份有限公司 | A self -powered formula cage rotor that is used for cage type selection powder quick -witted |
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| Publication number | Publication date |
|---|---|
| CN105515316B (en) | 2018-01-09 |
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Effective date of registration: 20231207 Address after: No. 139 Science Avenue, High tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Liming Heavy Industry Co.,Ltd. Address before: No.169, Kexue Avenue, high tech Industrial Development Zone, Zhengzhou, Henan 450001 Patentee before: HENAN LIMING HEAVY INDUSTRY & SCIENCE Co.,Ltd. |
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