CN109058749A - A kind of pole-changing multi-speed 3-phase asynchronous motor - Google Patents
A kind of pole-changing multi-speed 3-phase asynchronous motor Download PDFInfo
- Publication number
- CN109058749A CN109058749A CN201810891856.0A CN201810891856A CN109058749A CN 109058749 A CN109058749 A CN 109058749A CN 201810891856 A CN201810891856 A CN 201810891856A CN 109058749 A CN109058749 A CN 109058749A
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- China
- Prior art keywords
- fixedly connected
- oil
- negative pressure
- pressure box
- pole
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N37/00—Equipment for transferring lubricant from one container to another
-
- 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
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N37/00—Equipment for transferring lubricant from one container to another
- F16N2037/006—Filling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/18—Electric motors
Abstract
The invention patent discloses a kind of pole-changing multi-speed 3-phase asynchronous motor, including bottom plate, the top of the bottom plate is fixedly connected sequentially has pressurized tank and negative pressure box from left to right, the top of the pressurized tank and the top of negative pressure box pass through supporting block and are fixedly connected with shell, the inside of the shell is fixedly connected with stator coil, one end of the stator coil is fixedly connected with annular slab, and the inner surface of the annular slab is fixedly connected with permanent magnet, and the invention patent relates to mechanical equipment technical fields.The pole-changing multi-speed 3-phase asynchronous motor, cooperate the setting of pressurized tank and oil inlet pipe, lubricating oil atomization is injected in inside motor, cooperate the setting of flowline, negative pressure box and the first oil containing drum again, it is collected in the first oil containing drum after the lubricating oil of atomization is liquefied, the case where realizing the recycling of lubricating oil, effectively prevent oil leakage, it solves now plus the mode of lubricating oil is very troublesome, and the problem of it is easy to appear oil leaks.
Description
Technical field
The invention patent relates to mechanical equipment technical field, specially a kind of pole-changing multi-speed 3-phase asynchronous motor.
Background technique
Compared with monopole asynchronous motor, threephase asynchronous runnability is good, and can save a variety of materials.By rotor
The difference of structure, threephase asynchronous can be divided into cage and two kinds of Wound-rotor type.The Induction Motor Structure of cage rotor is simple,
It is reliable for operation, light-weight, cheap, it is widely used, major defect is that speed regulation is difficult, and Wound-rotor type is phase asynchronous
The rotor and stator of motor are equally also provided with three-phase windings and are connect by slip ring, brush with external rheostat.It adjusts and becomes
Resistance device resistance can improve the starting performance of motor and adjust the revolving speed of motor, with the rapid development of society, simple
Threephase asynchronous silver mirror is not able to satisfy the needs of people, and raw is exactly pole-changing multi-speed 3-phase asynchronous motor therewith.
Lubricating oil is needed during pole-changing multi-speed 3-phase asynchronous motor carries out speed change to be buffered, and now plus is moistened
The mode of lubricating oil is direct opening motor cover mostly, and lubricating oil is applied to the inside of motor, such plus lubricating oil
The case where mode is very troublesome, and it is easy to appear oil leaks.
Patent of invention content
In view of the deficiencies of the prior art, the invention patent provides a kind of pole-changing multi-speed 3-phase asynchronous motor, solves
The problem of now plus mode of lubricating oil is very troublesome, and it is easy to appear oil leaks.
In order to achieve the above object, the invention patent is achieved by the following technical programs: a kind of variable-pole multi-speed three is different
Motor, including bottom plate are walked, the top of the bottom plate is fixedly connected sequentially from left to right pressurized tank and negative pressure box, the pressurization
The top of case and the top of negative pressure box pass through supporting block and are fixedly connected with shell, and the inside of the shell is fixedly connected with stator
Coil, one end of the stator coil are fixedly connected with annular slab, and the inner surface of the annular slab is fixedly connected with permanent magnet, institute
State the inside of shell and positioned at the inside of annular slab through there is shaft, the outer surface of the shaft is fixedly connected with rotor, described
Oil inlet pipe is communicated at the top of pressurized tank, and one end of oil inlet pipe is connected to the left side of interior of shell, the top of the negative pressure box
It is communicated with flowline, one end of the flowline is connected to the right side of interior of shell.
Preferably, the bottom of the pressurization box cavity is fixedly connected with fuel tank, and the top of fuel tank successively connects from left to right
It is connected with connecting tube and oil filling pipe, the top of the pressurized tank and is located at below oil inlet pipe and is fixedly connected with sealing drum, the company
One end of adapter tube runs through sealing drum and extends to the inside of sealing drum, and the surface of connecting tube is communicated with atomizer.
Preferably, force (forcing) pump is fixedly connected at the top of the fuel tank, the surface of the force (forcing) pump delivery outlet, which is communicated with, to be added
Pressure pipe, one end of the forcing pipe are connected to the inside of connecting tube.
Preferably, first partition is fixedly connected between the inner wall of the negative pressure box, in the first partition and negative pressure box
Being fixedly connected sequentially under upper between the right side of wall has telescopic rod and second partition, and the bottom end of the telescopic rod push rod is fixed to be connected
It is connected to slide plate, the bottom of the negative pressure box and is located on the left of first partition and is fixedly connected with the first oil containing drum, described first contains
The right side of oily cylinder is connected to by pipeline with the inside of first partition, and is fixedly connected with filtering on the right side of the first oil containing drum inner cavity
Net, the bottom of the negative pressure box and be located at first partition on the right side of be fixedly connected with the second oil containing drum.
Preferably, the surface of the second partition offers through-hole, and the inside of the through-hole, which is run through, isolation board, described negative
It presses the right side of case and is located at below second partition and be communicated with screen pipe.
Preferably, the bottom of the shell is communicated with oil discharge pipe, and the surface of the oil discharge pipe is provided with control oil discharge pipe and goes out
Oil Electromagnetic Control valve, the top of the bottom plate and be located at oil discharge pipe below be fixedly connected with third oil containing drum.
Beneficial effect
The invention patent provides a kind of pole-changing multi-speed 3-phase asynchronous motor.Having compared with prior art following has
Beneficial effect:
(1), the pole-changing multi-speed 3-phase asynchronous motor is added by being fixedly connected sequentially to have from left to right at the top of bottom plate
Pressure case and negative pressure box, the top of pressurized tank and the top of negative pressure box pass through supporting block and are fixedly connected with shell, the inside of shell
It is fixedly connected with stator coil, one end of stator coil is fixedly connected with annular slab, and the inner surface of annular slab is fixedly connected with forever
Magnet, the inside of shell and the inside for being located at annular slab, which are run through, shaft, and the outer surface of shaft is fixedly connected with rotor, pressurized tank
Top be communicated with oil inlet pipe, one end of oil inlet pipe is connected to the left side of interior of shell, flowline is communicated at the top of negative pressure box,
One end of flowline is connected to the right side of interior of shell, cooperates the setting of pressurized tank and oil inlet pipe, lubricating oil atomization is injected in
Inside motor, then cooperate the setting of flowline, negative pressure box and the first oil containing drum, collects after the lubricating oil of atomization is liquefied first
In oil containing drum, the case where realizing the recycling of lubricating oil, effectively prevent oil leakage, solves and add lubricating oil now
Mode it is very troublesome, and the problem of it is easy to appear oil leaks.
(2), the pole-changing multi-speed 3-phase asynchronous motor is communicated with oil discharge pipe, the table of oil discharge pipe by the bottom in shell
Face is provided with the fuel-displaced Electromagnetic Control valve of control oil discharge pipe, and the top of bottom plate and being located at below oil discharge pipe is fixedly connected with the
Three oil containing drums cooperate the setting of oil discharge pipe, Electromagnetic Control valve and third oil containing drum, and the lubricating oil that motor interior is accumulated is arranged
It releases, effectively prevents lubrication buildup more the case where leading to oil leak, significantly increase the service life of motor.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the invention patent;
Fig. 2 is the partial enlarged view in the invention patent Fig. 1 at A.
In figure: 1-bottom plate, 2-pressurized tanks, 3-negative pressure boxs, 4-shells, 5-stator coils, 6-annular slabs, 7-are forever
Magnet, 8-shafts, 9-rotors, 10-oil inlet pipes, 11-flowlines, 12-fuel tanks, 13-connecting tubes, 14-oil filling pipes,
15-sealing drums, 16-atomizers, 17-force (forcing) pumps, 18-forcing pipes, 19-first partitions, 20-telescopic rods, 21-the
Two partitions, 22-slide plates, the 23-the first oil containing drum, the 24-the second oil containing drum, 25-through-holes, 26-isolation boards, 27-screen pipes,
28-oil discharge pipes, 29-Electromagnetic Control valves, 30-third oil containing drums.
Specific embodiment
Below in conjunction with the attached drawing in the invention patent embodiment, the technical solution in the invention patent embodiment is carried out
Clearly and completely describing, it is clear that described embodiment is only the invention patent a part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the invention patent, those of ordinary skill in the art are without making creative work
Every other embodiment obtained belongs to the range of the invention patent protection.
The invention patent provides a kind of technical solution referring to FIG. 1-2: a kind of pole-changing multi-speed 3-phase asynchronous motor, packet
Bottom plate 1 is included, the top of bottom plate 1 is fixedly connected sequentially from left to right pressurized tank 2 and negative pressure box 3, the top of pressurized tank 2 and negative pressure
The top of case 3 passes through supporting block and is fixedly connected with shell 4, and the inside of shell 4 is fixedly connected with stator coil 5, stator coil 5
One end be fixedly connected with annular slab 6, the inner surface of annular slab 6 is fixedly connected with permanent magnet 7, the inside of shell 4 and is located at ring
The inside of shape plate 6 is through there is shaft 8, and the outer surface of shaft 8 is fixedly connected with rotor 9, and the top of pressurized tank 2 is communicated with oil inlet pipe
10, and one end of oil inlet pipe 10 is connected to the left side inside shell 4, the top of negative pressure box 3 is communicated with flowline 11, flowline 11
Part inside negative pressure box 3 is tortuous, facilitates the liquefaction of lubricating oil, one end and the right side inside shell 4 of flowline 11
Side connection, cooperate pressurized tank 2 and oil inlet pipe 10 setting, lubricating oil atomization is injected in inside motor, then cooperate flowline 11,
The setting of negative pressure box 3 and the first oil containing drum 23 collects in the first oil containing drum 23 after the lubricating oil of atomization liquefies, realizes profit
The recycling of lubricating oil, the case where effectively preventing oil leakage, solve now plus the mode of lubricating oil are very troublesome, and
And the problem of it is easy to appear oil leaks, the bottom of 2 inner cavity of pressurized tank are fixedly connected with fuel tank 12, the top of fuel tank 12 is fixedly connected
There is force (forcing) pump 17, force (forcing) pump 17 and extraneous power supply are electrically connected, are controlled by switch, and the surface of 17 delivery outlet of force (forcing) pump connects
It is connected with forcing pipe 18, is pressurizeed using force (forcing) pump 17 to the lubricating oil in connecting tube 13, it is convenient to the lubrication inside motor, add
One end of pressure pipe 18 is connected to the inside of connecting tube 13, and the top of fuel tank 12 has been sequentially communicated connecting tube 13 from left to right and has added
Oil pipe 14, the top of pressurized tank 2 and the lower section for being located at oil inlet pipe 10 are fixedly connected with sealing drum 15, and one end of connecting tube 13 is run through
Sealing drum 15 and the inside for extending to sealing drum 15, and the surface of connecting tube 13 is communicated with atomizer 16, the inner wall of negative pressure box 3
Between be fixedly connected with first partition 19, it is successively fixed under upper between the right side of 3 inner wall of first partition 19 and negative pressure box to connect
It is connected to telescopic rod 20 and second partition 21, telescopic rod 20 and extraneous power supply are electrically connected, are controlled by switch, telescopic rod 20
The bottom end of push rod is fixedly connected with slide plate 22, the bottom of the negative pressure box 3 and left side for being located at first partition 19 is fixedly connected with first
The right side of oil containing drum 23, the first oil containing drum 23 is connected to by pipeline with the inside of first partition 19, and 23 inner cavity of the first oil containing drum
Right side be fixedly connected with filter screen, the bottom of the negative pressure box 3 and right side for being located at first partition 19 is fixedly connected with the second Sheng oil
Cylinder 24, the surface of second partition 21 offer through-hole 25, the inside of through-hole 25 through there is an isolation board 26, the right side of negative pressure box 3 and
It is communicated with screen pipe 27 positioned at the lower section of second partition 21, the bottom of shell 4 is communicated with oil discharge pipe 28, and the surface of oil discharge pipe 28 is set
It is equipped with the fuel-displaced Electromagnetic Control valve 29 of control oil discharge pipe 28, the top of the bottom plate 1 and lower section for being located at oil discharge pipe 28 is fixedly connected
There is third oil containing drum 30, cooperate the setting of oil discharge pipe 28, Electromagnetic Control valve 29 and third oil containing drum 30, by motor interior product
The Grease relief deposited comes out, and effectively prevents lubrication buildup more the case where leading to oil leak, significantly increases motor
Service life.
When work, start switch, telescopic rod 20 is constantly flexible, drive slide plate 22 by the air inside negative pressure box 3 along
Screen pipe 27 is discharged, and sprays the lubricating oil inside fuel tank 12 after pressurized 17 pressurization of pump of connecting tube 13 along atomizer 16
Out, the lubricating oil after atomization flows into inside motor along oil inlet pipe 10, liquefies to after motor inner body lubrication through flowline 11
Outflow, falls in the first Sheng fuel tank 23, and after a period of work, internal oil liquid can be thrown to inner wall and glide is deposited in bottom to motor
Portion, periodically opening Electromagnetic Control valve 29 flows out exhaust gas oil liquid from oil discharge pipe 28.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, 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.
While there has been shown and described that the embodiment of the invention patent, 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 principle and spirit of the invention patent, repaired
Change, replacement and variant, the range of the invention patent is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of pole-changing multi-speed 3-phase asynchronous motor, including bottom plate (1), it is characterised in that: the top of the bottom plate (1) is from a left side
Being fixedly connected sequentially to the right side has pressurized tank (2) and negative pressure box (3), and the top of the pressurized tank (2) and the top of negative pressure box (3) are equal
It is fixedly connected with shell (4) by supporting block, the inside of the shell (4) is fixedly connected with stator coil (5), the stator line
One end of circle (5) is fixedly connected with annular slab (6), and the inner surface of the annular slab (6) is fixedly connected with permanent magnet (7), described
The inside of shell (4) and the inside for being located at annular slab (6), which are run through, to be had shaft (8), and the outer surface of the shaft (8) is fixedly connected with
Rotor (9) is communicated with oil inlet pipe (10) at the top of the pressurized tank (2), and one end of oil inlet pipe (10) and shell (4) are internal
Left side is connected to, and is communicated with flowline (11) at the top of the negative pressure box (3), in one end and shell (4) of the flowline (11)
The right side in portion is connected to.
2. a kind of pole-changing multi-speed 3-phase asynchronous motor according to claim 1, it is characterised in that: the pressurized tank (2)
The bottom of inner cavity is fixedly connected with fuel tank (12), and the top of fuel tank (12) has been sequentially communicated connecting tube (13) from left to right and has added
Oil pipe (14), the top of the pressurized tank (2) and be located at oil inlet pipe (10) below be fixedly connected with sealing drum (15), the company
One end of adapter tube (13) runs through sealing drum (15) and extends to the inside of sealing drum (15), and the surface of connecting tube (13) is communicated with
Atomizer (16).
3. a kind of pole-changing multi-speed 3-phase asynchronous motor according to claim 2, it is characterised in that: the fuel tank (12)
Top is fixedly connected with force (forcing) pump (17), and the surface of force (forcing) pump (17) delivery outlet is communicated with forcing pipe (18), the pressurization
One end of pipe (18) is connected to the inside of connecting tube (13).
4. a kind of pole-changing multi-speed 3-phase asynchronous motor according to claim 1, it is characterised in that: the negative pressure box (3)
Inner wall between be fixedly connected with first partition (19), between the first partition (19) and the right side of negative pressure box (3) inner wall from
Being fixedly connected sequentially under upper has telescopic rod (20) and second partition (21), and the bottom end of telescopic rod (20) push rod is fixedly connected
Have slide plate (22), the bottom of negative pressure box (3) inner cavity and be located at first partition (19) on the left of be fixedly connected with the first Sheng oil
The right side of cylinder (23), first oil containing drum (23) is connected to by pipeline with the inside of first partition (19), and the first oil containing drum
(23) it is fixedly connected with filter screen on the right side of inner cavity, the bottom of the negative pressure box (3) and the right side for being located at first partition (19) is solid
Surely the second oil containing drum (24) are connected with.
5. a kind of pole-changing multi-speed 3-phase asynchronous motor according to claim 4, it is characterised in that: the second partition
(21) surface offers through-hole (25), and the inside of the through-hole (25), which is run through, to be had isolation board (26), the right side of the negative pressure box (3)
Side and be located at second partition (21) below be communicated with screen pipe (27).
6. a kind of pole-changing multi-speed 3-phase asynchronous motor according to claim 1, it is characterised in that: the shell (4)
Bottom is communicated with oil discharge pipe (28), and the surface of the oil discharge pipe (28) is provided with the fuel-displaced solenoid electric valve of control oil discharge pipe (28)
Door (29), the top of the bottom plate (1) and be located at oil discharge pipe (28) below be fixedly connected with third oil containing drum (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810891856.0A CN109058749A (en) | 2018-08-07 | 2018-08-07 | A kind of pole-changing multi-speed 3-phase asynchronous motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810891856.0A CN109058749A (en) | 2018-08-07 | 2018-08-07 | A kind of pole-changing multi-speed 3-phase asynchronous motor |
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CN109058749A true CN109058749A (en) | 2018-12-21 |
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CN201810891856.0A Pending CN109058749A (en) | 2018-08-07 | 2018-08-07 | A kind of pole-changing multi-speed 3-phase asynchronous motor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111687779A (en) * | 2020-05-19 | 2020-09-22 | 三联泵业股份有限公司 | Water pump rotor assembling workbench |
CN112343846A (en) * | 2020-11-17 | 2021-02-09 | 江苏恒康机电有限公司 | Automatic lubrication type low-noise explosion-proof fan with good anti-seismic performance |
-
2018
- 2018-08-07 CN CN201810891856.0A patent/CN109058749A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111687779A (en) * | 2020-05-19 | 2020-09-22 | 三联泵业股份有限公司 | Water pump rotor assembling workbench |
CN112343846A (en) * | 2020-11-17 | 2021-02-09 | 江苏恒康机电有限公司 | Automatic lubrication type low-noise explosion-proof fan with good anti-seismic performance |
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Application publication date: 20181221 |
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