CN207069761U - High efficiency Flame-Proof Three-Phase Induction Motors - Google Patents
High efficiency Flame-Proof Three-Phase Induction Motors Download PDFInfo
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- CN207069761U CN207069761U CN201721010779.0U CN201721010779U CN207069761U CN 207069761 U CN207069761 U CN 207069761U CN 201721010779 U CN201721010779 U CN 201721010779U CN 207069761 U CN207069761 U CN 207069761U
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- China
- Prior art keywords
- flameproof enclosure
- proof
- motor shaft
- bearing bracket
- terminal box
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- 230000006698 induction Effects 0.000 title claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002360 explosive Substances 0.000 abstract description 7
- 230000000644 propagated effect Effects 0.000 abstract description 6
- 238000004804 winding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses high efficiency Flame-Proof Three-Phase Induction Motors, it is related to threephase asynchronous technical field, it includes base, reinforcement, flameproof enclosure, drive end bearing bracket, motor shaft, bearing, axle sleeve, rotor, terminal box, bundle assembly, stator, rear end cap, dissipating cover, heat emission hole, radiator, connector cover and terminal block housings, reinforcement is provided between base and flameproof enclosure, one end of flameproof enclosure is provided with drive end bearing bracket, motor shaft is installed in drive end bearing bracket, axle sleeve and bearing are provided between motor shaft and drive end bearing bracket, motor shaft is connected with rotor, terminal box is provided with above flameproof enclosure, terminal box and there is bundle assembly.It is provided with flameproof enclosure, and flameproof enclosure can bear the blast pressure of inside without breakage, and explosive flame can be prevented to be propagated to outside shell, meanwhile, Flame-Proof Three-Phase Induction Motors are provided with effective heat abstractor, extend the service life of threephase asynchronous.
Description
Technical field：
High efficiency Flame-Proof Three-Phase Induction Motors are the utility model is related to, belong to threephase asynchronous technical field.
Background technology：
The rotating speed of three-phase asynchronous motor rotor is less than the rotating speed of rotating excitation field, and rotor windings are because there is phase between magnetic field
Electromotive force and electric current are produced to motion, and electromagnetic torque is produced with magnetic field interaction, realizes energy conversion.With it is single-phase asynchronous
Motor is compared, and threephase asynchronous runnability is good, and can save various materials.It is different by the difference of rotor structure, three
Step motor can be divided into two kinds of cage and Wound-rotor type.The Induction Motor Structure of cage rotor is simple, it is reliable, in light weight,
It is cheap, it is widely used, its major defect is speed governing difficulty.The rotor of wound three-phase asynchronous motor and fixed
Son is equally also provided with three-phase windings and is connected by slip ring, brush with outside rheostat.Standardsizing rheostat resistance can improve
The starting performance of motor and the rotating speed of regulation motor.Flameproof electrical apparatus refers to there is electrically setting for Flameproof shell
It is standby, it is masked as：“d”.Flameproof enclosure refers to the explosive force that can bear inside, and can prevent what explosive flame was propagated to surrounding environment
Shell.Traditional threephase asynchronous does not have flame proof setting, certain potential safety hazard be present, and radiating effect is bad, influences
The service efficiency of threephase asynchronous.
Utility model content：
In view of the above-mentioned problems, to be to provide high efficiency explosion-proof three-phase asynchronous electronic for the technical problems to be solved in the utility model
Machine.
High efficiency Flame-Proof Three-Phase Induction Motors of the present utility model, it includes base, reinforcement, flameproof enclosure, preceding
End cap, motor shaft, bearing, axle sleeve, rotor, terminal box, bundle assembly, stator, rear end cap, dissipating cover, heat emission hole, radiator,
Connector cover and terminal block housings, are provided with reinforcement between base and flameproof enclosure, one end of flameproof enclosure is provided with front end
Covering, motor shaft is installed in drive end bearing bracket, axle sleeve and bearing are provided between motor shaft and drive end bearing bracket, motor shaft is connected with rotor,
It is provided with terminal box above flameproof enclosure, terminal box and has bundle assembly, terminal box includes connector cover and terminal block housings, every
Stator is provided with the madial wall of quick-fried shell, the other end of flameproof enclosure is connected with rear end cap, and rear end cap is connected with dissipating cover, is dissipated
Heat, which covers, is provided with heat emission hole, and radiator is provided between dissipating cover and rear end cap.
Preferably, being provided with some through holes on described rear end cap, some heat emission holes, radiator are provided with dissipating cover
On fan is installed, increase the radiating effect of radiator, be threadedly coupled between dissipating cover and rear end cap, radiator and dissipating cover are torn open
Dress is convenient.
Preferably, having additional reinforcement between described flameproof enclosure and base, connection is more firm, and it is different to reduce by three
Vibration is produced when walking electric motor operation on influence caused by motor.
Preferably, described terminal box is fixed by screws in the top of flameproof enclosure, the terminal block housings of terminal box
On be provided with through hole, bundle assembly passes through from the through hole of terminal block housings, the connection of the through holes of bundle assembly and terminal block housings
Position is provided with rubber blanket.
Preferably, described flameproof enclosure selects Stainless steel 316 L materials, flameproof enclosure can bear internal explosion gas
The blast pressure of body mixture simultaneously prevents the blast of inside from being propagated to ambient envelope explosive mixture.
Preferably, being provided with through hole on described drive end bearing bracket, it is interference fitted between bearing outside diameter and the through hole of drive end bearing bracket,
Bearing bore diameter is engaged with motor shaft.
The beneficial effects of the utility model：The high efficiency Flame-Proof Three-Phase Induction Motors are provided with flameproof enclosure, flame proof
Shell can bear the blast pressure of inside without breakage, and explosive flame can be prevented to be propagated to outside shell, and flameproof enclosure should have resistance to quick-fried
Property and two kinds of characteristics of flame proof, flame-proof type be a kind of gap explosion-proof technology, reach cooling, flame-out by gap, length of action
Effect, meanwhile, Flame-Proof Three-Phase Induction Motors are provided with effective heat abstractor, can effectively avoid motor for a long time
Hot operation, extend the service life of threephase asynchronous.
Brief description of the drawings：
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is structural front view of the present utility model；
Fig. 2 is structural side view of the present utility model；
Fig. 3 is structure partial schematic diagram of the present utility model；
1- bases；2- reinforcements；3- flameproof enclosures；4- drive end bearing brackets；5- motor shafts；6- bearings；7- axle sleeves；8- rotors；9-
Terminal box；10- bundle assemblies；11- stators；12- rear end caps；13- dissipating covers；14- heat emission holes；15- radiators；16- terminal boxes
Lid；17- terminal block housings.
Embodiment：
As shown in Figure 1, Figure 2 and Figure 3, present embodiment uses following technical scheme：It includes base 1, reinforcement
2nd, flameproof enclosure 3, drive end bearing bracket 4, motor shaft 5, bearing 6, axle sleeve 7, rotor 8, terminal box 9, bundle assembly 10, stator 11, rear end
Lid 12, dissipating cover 13, heat emission hole 14, radiator 15, connector cover 16 and terminal block housings 17, between base 1 and flameproof enclosure 3
Reinforcement 2 is provided with, one end of flameproof enclosure 3 is provided with drive end bearing bracket 4, motor shaft 5 is provided with drive end bearing bracket 4, motor shaft 5 is with before
Axle sleeve 7 and bearing 6 are provided between end cap 4, motor shaft 5 is connected with rotor 8, and the top of flameproof enclosure 3 is provided with terminal box 9, connects
Line box 9 and there is bundle assembly 10, terminal box 9 includes connector cover 16 and terminal block housings 17, set on the madial wall of flameproof enclosure 3
Stator 11 is equipped with, the other end of flameproof enclosure 3 is connected with rear end cap 12, and rear end cap 12 is connected with dissipating cover 13, on dissipating cover 13
Heat emission hole 14 is provided with, radiator 15 is installed between dissipating cover 13 and rear end cap 12.
Wherein, some through holes are provided with described rear end cap 12, some heat emission holes 14 are provided with dissipating cover 13, are radiated
Fan is installed on device 15, increases the radiating effect of radiator 15, is threadedly coupled between dissipating cover 13 and rear end cap 12, radiator
15 and the convenient disassembly of dissipating cover 13；Reinforcement 2 is had additional between described flameproof enclosure 3 and base 1, connection is more firm, drop
Vibration is produced during low threephase asynchronous work on influence caused by motor；Described terminal box 9 is fixed by screws in
The top of flameproof enclosure 3, is provided with through hole in the terminal block housings 17 of terminal box 9, and bundle assembly 10 is from terminal block housings 17
Passed through in through hole, bundle assembly 10 and the through hole link position of terminal block housings 17 are provided with rubber blanket；Described flameproof enclosure 3
From Stainless steel 316 L materials, flameproof enclosure 3 can bear the blast pressure of internal explosion admixture of gas and prevent inside
Explode and propagated to ambient envelope explosive mixture；Through hole, the external diameter of bearing 6 and drive end bearing bracket 4 are provided with described drive end bearing bracket 4
It is interference fitted between through hole, the internal diameter of bearing 6 is engaged with motor shaft 5.
The operation principle of present embodiment：The winding of the threephase stator 11 of threephase asynchronous respectively differs 120 degree
Electrical angle, after being passed through three-phase symmetrical alternating current, a rotating excitation field will be produced, the winding of the rotating excitation field cutting rotor 8, so as to
Induced-current is produced in the winding of rotor 8, the wherein winding of rotor 8 is close access, and the conductor of rotor 8 of current-carrying rotates in stator 11
Electromagnetic force will be produced under magnetic fields, so as to form electromagnetic torque, drive motor rotation on motor shaft 5, and motor revolves
Turn that direction is identical with rotating excitation field direction, the shell of the threephase asynchronous uses flameproof enclosure, can bear the quick-fried of inside
Bursting force, and explosive flame can be prevented to be propagated to surrounding environment, security performance is high.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (6)
1. high efficiency Flame-Proof Three-Phase Induction Motors, it is characterised in that：It includes base (1), reinforcement (2), flameproof enclosure
(3), drive end bearing bracket (4), motor shaft (5), bearing (6), axle sleeve (7), rotor (8), terminal box (9), bundle assembly (10), stator
(11), rear end cap (12), dissipating cover (13), heat emission hole (14), radiator (15), connector cover (16) and terminal block housings
(17) reinforcement (2), is provided between base (1) and flameproof enclosure (3), one end of flameproof enclosure (3) is provided with drive end bearing bracket
(4) motor shaft (5), is installed in drive end bearing bracket (4), axle sleeve (7) and bearing are provided between motor shaft (5) and drive end bearing bracket (4)
(6), motor shaft (5) is connected with rotor (8), is provided with terminal box (9) above flameproof enclosure (3), terminal box (9) and has wire harness total
Into (10), terminal box (9) includes connector cover (16) and terminal block housings (17), is provided with the madial wall of flameproof enclosure (3)
Stator (11), the other end of flameproof enclosure (3) are connected with rear end cap (12), and rear end cap (12) is connected with dissipating cover (13), radiating
Heat emission hole (14) is provided with lid (13), radiator (15) is installed between dissipating cover (13) and rear end cap (12).
2. high efficiency Flame-Proof Three-Phase Induction Motors according to claim 1, it is characterised in that：Described rear end cap
(12) some through holes are provided with, some heat emission holes (14) are provided with dissipating cover (13), radiator is provided with fan on (15),
It is threadedly coupled between dissipating cover (13) and rear end cap (12).
3. high efficiency Flame-Proof Three-Phase Induction Motors according to claim 1, it is characterised in that：Described flameproof enclosure
(3) reinforcement (2) is had additional between base (1), is welded between reinforcement and base (1).
4. high efficiency Flame-Proof Three-Phase Induction Motors according to claim 1, it is characterised in that：Described terminal box
(9) top of flameproof enclosure (3) is fixed by screws in, through hole, wire harness are provided with the terminal block housings (17) of terminal box (9)
Assembly (10) passes through from the through hole of terminal block housings (17), bundle assembly (10) and the through hole connection position of terminal block housings (17)
Install and be equipped with rubber blanket.
5. high efficiency Flame-Proof Three-Phase Induction Motors according to claim 1, it is characterised in that：Described flameproof enclosure
(3) Stainless steel 316 L materials are selected.
6. high efficiency Flame-Proof Three-Phase Induction Motors according to claim 1, it is characterised in that：Described drive end bearing bracket
(4) through hole is provided with, is interference fitted between bearing (6) external diameter and the through hole of drive end bearing bracket (4), bearing (6) internal diameter and motor shaft
(5) it is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010779.0U CN207069761U (en) | 2017-08-14 | 2017-08-14 | High efficiency Flame-Proof Three-Phase Induction Motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010779.0U CN207069761U (en) | 2017-08-14 | 2017-08-14 | High efficiency Flame-Proof Three-Phase Induction Motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069761U true CN207069761U (en) | 2018-03-02 |
Family
ID=61515478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721010779.0U Expired - Fee Related CN207069761U (en) | 2017-08-14 | 2017-08-14 | High efficiency Flame-Proof Three-Phase Induction Motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394942A (en) * | 2017-08-14 | 2017-11-24 | 江苏环球特种电机有限公司 | A kind of high efficiency Flame-Proof Three-Phase Induction Motors |
-
2017
- 2017-08-14 CN CN201721010779.0U patent/CN207069761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394942A (en) * | 2017-08-14 | 2017-11-24 | 江苏环球特种电机有限公司 | A kind of high efficiency Flame-Proof Three-Phase Induction Motors |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |