CN207234587U - Threephase asynchronous - Google Patents
Threephase asynchronous Download PDFInfo
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- CN207234587U CN207234587U CN201721120903.9U CN201721120903U CN207234587U CN 207234587 U CN207234587 U CN 207234587U CN 201721120903 U CN201721120903 U CN 201721120903U CN 207234587 U CN207234587 U CN 207234587U
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- threephase asynchronous
- water channel
- speed gears
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Abstract
It the utility model is related to a kind of threephase asynchronous; including the protective being arranged on outside the threephase asynchronous; the protective includes the inner casing for being arranged on internal layer; the inner casing is equipped with the water channel for being used for refrigerant liquid circulation; the water channel is looped around the inner housing surface to realize refrigeration for double-spiral structure; the welding shell that installation cooperates with its helical structure outside double helix water channel, makes whole housing voltage endurance capability get a promotion.
Description
Technical field
The utility model belongs to electric motors, more particularly to a kind of threephase asynchronous.
Background technology
Coalcutter is one of important equipment for realizing coal production mechanization and modernization.Mechanical coal mining can mitigate body
Power work, improve security, reaches high yield, high efficiency, low consumed purpose.Coalcutter divides sawing formula, planing pattern, drilling formula
With four kinds of milling type：Coalcutter is one and integrates machinery, electric and hydraulic pressure large-scale complicated system, and working environment is severe,
It will cause the interruption of whole coal work if there is failure, cause huge economic loss.With the development of coal industry,
The function of coalcutter is more and more, structure, the composition more sophisticated of its own.
The product of existing coalcutter manufacturer production mostly purchases external motor, so not only causes the wave of capital
Take, it is also difficult to ensure supply time and after-sale service, while import motor is mostly using the cooling structure form for water channel of turning back, water
Cold effect is bad, and underground labour, when rinsing motor cooling water channel, once hydraulic pressure is excessive, electric machine casing expansion set phenomenon will
Again and again occurring, motor is difficult to be taken out from coalcutter frequency converter when serious, causes equipment to be detained, delays manufacturing schedule,
Influence coal mining output；And the motor and frequency converter auxiliary work purchased get up and are inconvenient to connect between each other.
Utility model content
For motor water-cooled effect in the prior art is poor, shell is easily broken and coordinates inconvenient ask with frequency converter
Topic, the utility model devise a kind of threephase asynchronous and, including be arranged on the guarantor outside the threephase asynchronous
Watch box, the protective include the inner casing for being arranged on internal layer, and the inner casing is equipped with the water channel for being used for refrigerant liquid circulation, the water
Road is looped around the inner housing surface to realize refrigeration for double-spiral structure, is installed outside double helix water channel mutual with its helical structure
The welding shell of cooperation, makes whole housing voltage endurance capability get a promotion.
The utility model concrete scheme is：
A kind of threephase asynchronous, including the protective outside the threephase asynchronous is arranged on, the protection
Body includes shell and inner casing, and the inner housing surface is equipped with the water channel for refrigerant liquid circulation, and the water channel includes being used for what is intake
Intake tunnel is arranged at intervals and mutual in its one end with the exhalant canal for water outlet, the intake tunnel with the exhalant canal
Connect to realize the circulation of refrigerant liquid.
Preferably, the intake tunnel was flowed back with the exhalant canal junction for arcuate structure with reducing refrigerant liquid
Obstruction of the water channel described in journey to refrigerant liquid.
Preferably, the shell is equipped with some first welding holes, arrangement and the water channel of first welding hole
Flow direction corresponds to.
Preferably, the first welding hole arrangement is evenly distributed on the both sides of the water channel, adjacent first welding hole
Between spacing be 60mm-100mm to increase the shell hydraulic pressure bearing capacity.
Preferably, the inner casing is equipped with the first mark groove, and the shell is equipped with the second mark groove, first mark
Groove is corresponded with the second mark groove so that first welding hole can be arranged on the both ends of the water channel.
Preferably, the protective, which further includes, is arranged on the inner housing inner, to member inside the threephase asynchronous
The welding positioning key that part is positioned, the positioning key are equipped with some second welding holes, inside the threephase asynchronous
Equipped with stator, the stator contacts with each other with the positioning key and is welded and fixed by second welding hole to be positioned.
Preferably, the threephase asynchronous further includes the actuator being provided at its inner portion, and the actuator includes setting
Put the hollow shaft in the actuator center, the hollow shaft is equipped with internal spline for inner hollow, outside the hollow shaft
Equipped with the first external spline teeth, the hollow shaft is internally provided with the first internal spline for external equipment.
Preferably, the actuator further includes the measure speed gears being arranged on outside the hollow shaft, and the measure speed gears are
Annular spline gear, the measure speed gears outside are equipped with the second external spline teeth, and the measure speed gears are internally provided with the second internal spline
Tooth；Described state between the first external spline teeth and second inner spline gear is to be interference fitted to increase the hollow shaft and the survey
Driving torque between fast gear.
Preferably, the actuator further includes the contracting brake for braking, and the contracting brake is arranged on described
The outside of measure speed gears is simultaneously intermeshed to realize braking to the threephase asynchronous with second external spline teeth；It is described
Some encoders are equipped with outside measure speed gears, the encoder is fixed on the actuator and the rotating speed of the measure speed gears is carried out
Test.
The beneficial effects of the utility model are：
1st, a kind of threephase asynchronous of the utility model, is used for chilled water due to being equipped with the motor inner housing surface
The water channel of circulation, water channel use double helix loop structure, ensure that water inlet not in same runner, is thus relatively turned back with water outlet
Water channel water resistance is small, effectively water channel can be avoided to block.
2nd, threephase asynchronous described in the utility model moves towards corresponding first equipped with arrangement due to its shell with water channel
Welding hole not only improves the reliability of inside and outside shell connection, and increases housing hydraulic pressure bearing capacity.
Brief description of the drawings
Fig. 1 is a kind of specific embodiment of threephase asynchronous of the utility model along its longitudinal sectional view；
Fig. 2 is the inner casing configuration schematic diagram of the specific embodiment of threephase asynchronous described in the utility model；
Fig. 3 is the arcuate structure schematic diagram of the specific embodiment of threephase asynchronous described in the utility model；
Fig. 4 is the shell mechanism schematic diagram of the specific embodiment of threephase asynchronous described in the utility model；
Fig. 5 is the protective structure diagram of the specific embodiment of threephase asynchronous described in the utility model；
Fig. 6 is the actuator internal structure sectional view of the specific embodiment of threephase asynchronous described in the utility model；
Fig. 7 is another use state of the actuator of the specific embodiment of threephase asynchronous described in the utility model
Internal structure sectional view；
Fig. 8 is that the measure speed gears structure of the actuator of the specific embodiment of threephase asynchronous described in the utility model is shown
It is intended to；
Fig. 9 is the assembly method flow chart element of the actuator of the specific embodiment of threephase asynchronous described in the utility model
Figure.
Above in each figure：
1st, protective；11st, inner casing；111st, water channel；1111st, intake tunnel；1112nd, exhalant canal；1113rd, arcuate structure；
112nd, the first mark groove；12nd, shell；121st, the first welding hole；122nd, the second mark groove；13rd, positioning key；131st, the second welding
Hole；2nd, actuator；21st, hollow shaft；211st, the first external spline teeth；212nd, the first internal spline；22nd, measure speed gears；221st, outside second
Spline tooth；222nd, the second inner spline gear；23rd, contracting brake；24th, encoder.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining relevant utility model, rather than the restriction to the utility model.Further need exist for explanation
It is that, for the ease of description, illustrate only and the relevant part of utility model in attached drawing.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of threephase asynchronous of the utility model, including it is arranged on the protective outside the threephase asynchronous
1, the protective 1 includes the inner casing 11 for being arranged on internal layer, and the inner casing 11 is equipped with the water channel 111 for being used for refrigerant liquid circulation,
The water channel 111 is looped around 11 surface of inner casing for double-spiral structure and is freezed with realizing, the water channel 111 on inner housing is using double
Spiral circulation structure, compared with turning back, 111 water resistance of water channel is small, can effectively avoid water channel 111 from blocking.Below by specific embodiment to it
It is described in detail.
Please refer to Fig.1, a kind of internal structure sectional view of threephase asynchronous of the utility model, including be arranged on described
Protective 1 outside threephase asynchronous, protective 1 in addition to it can protect the component inside threephase asynchronous,
It can also freeze to it, be that water cooling is carried out by condensed water in this embodiment.Please refer to Fig.2, the utility model
The structure diagram of the inner casing 11 of the threephase asynchronous, the protective 1 include the inner casing 11 for being arranged on internal layer, inner casing
11 made of metal thermal conductive material, and heat exchange can occur with internal component so as to its internal cooling.The inner casing
11 be equipped be used for refrigerant liquid circulation water channel 111, the water channel 111 for double-spiral structure be looped around 11 surface of inner casing with
Realize refrigeration, double-stranded water channel 111 is looped around 11 surface of inner casing, and water resistance is small, and 111 covering surface of water channel is big, radiating condition
It is good, coalcutter explosion separation motor is efficiently solved because space limits, the problem of heat is difficult to shed.
Further, include please continue to refer to Fig. 2, the water channel 111 for the intake tunnel 1111 intake with being used to
The exhalant canal 1112 of water, the intake tunnel 1111 are arranged at intervals and are interconnected with the exhalant canal 1112 to realize system
The circulation of cold liquid, the oral siphon road of 1111 external condensed water of intake tunnel, the outlet pipe of 1112 external condensed water of exhalant canal
Road, intake tunnel 1111 are interconnected with exhalant canal 1112 in one end of inner casing 11, realize the reflux of condensed water.
Further, please refer to Fig.3, the structure of the arcuate structure 1113 of threephase asynchronous described in the utility model is shown
It is intended to, the intake tunnel 1111 is arcuate structure 1113 with the water channel 111 of 1112 junction of exhalant canal, so as to subtract
Lack obstruction of the water channel 111 described in refrigerant liquid reflux course to refrigerant liquid, arcuate structure 1113 can effectively alleviate current
Water channel 111, so as to improve the mobility of condensed water, improves refrigeration effect to the inhibition of current in the process of circulation.
Please refer to Fig.4, the structure diagram of the shell 12 of threephase asynchronous described in the utility model, the protective
1 further includes the shell 12 for being arranged on outer layer, and shell 12 is socketed in the outside of inner casing 11 so as to ensure the sealing of water channel 111, prevents
Current leak, while can play resistance to compression protective effect to the inner casing 11 of its inside.The shell 12 is equipped with some first welderings
Hole 121 is connect, the shape that first welding hole 121 arranges corresponds with the water channel 111 and is evenly distributed on the water
The both sides in road 111, so as to increase the 12 hydraulic pressure bearing capacity of shell.In this embodiment, first welding hole 121
For circular second welding hole 131, spacing between adjacent first welding hole is 60mm-100mm to increase the shell water
Bearing capacity is pressed, preferable spacing is 85mm, and the first welding hole 121 is uniformly arranged on the both sides of water channel 111, ensures the equal of stress
Even property.
Please continue to refer to Fig. 4, in order to make in 12 installation process of inner casing 11 and shell, the first welding hole 121 can uniformly divide
For cloth in the both sides of water channel 111, the inner casing 11 is equipped with the first mark groove 112, and the shell 12 is equipped with the second mark groove
122, the first mark groove 112 is corresponded with the second mark groove 122 so that first welding hole 121 can be set
At the both ends of the water channel 111, the first mark groove 112 is to ensure that inner casing 11 and shell 12 are mutual with the second mark groove 122
The mark for coordinating and designing, so that leakproofness and compression strength of structure are ensured after the installation of water channel 111.
It refer to Fig. 5, the structure diagram of the protective 1 of threephase asynchronous described in the utility model, the protection
Body 1 further includes the welding positioning key 13 being arranged on inside the inner casing 11, and the welding positioning key 13 is string configuration with right
Stator inside the threephase asynchronous is positioned, and the welding positioning key 13 is equipped with some second welding holes 131
The stator after positioning is welded with facilitating, solder joint can not be higher by the height of positioning key 13 to ensure the standard of positioning during welding
True property.
Please refer to Fig.1, the threephase asynchronous further includes the actuator 2 for being arranged on inside, refer to Fig. 6, this reality
With the internal structure sectional view of the actuator 2 of the new threephase asynchronous, the actuator 2 includes being arranged on the drive
The hollow shaft 21 of 2 center of moving part, 21 inner hollow of hollow shaft are equipped with internal spline, and the outside of hollow shaft 21 is equipped with the
One external spline teeth 211, the hollow shaft 21 are internally provided with the first internal spline 212；The actuator 2, which further includes, is arranged on the sky
Measure speed gears 22 outside mandrel 21, the measure speed gears 22 are annular spline gear, and the outside of measure speed gears 22 is equipped with the
Two external spline teeths 221, the measure speed gears 22 are internally provided with the second inner spline gear 222；First external spline teeth 211 with it is described
Turned round between second inner spline gear 222 for interference fit with increasing the transmission between the hollow shaft 21 and the measure speed gears 22
Square.
It refer to Fig. 7, the internal junction of another use state of the actuator 2 of threephase asynchronous described in the utility model
Structure sectional view, the actuator 2 further include the contracting brake 23 for braking, and the contracting brake 23 is arranged on the survey
The outside of fast gear 22 is simultaneously drivingly connected to realize braking to the threephase asynchronous with second external spline teeth 221,
Contracting brake 23 brakes the second external splines of measure speed gears 22, and brake force is transmitted to flower in second by the second external splines
Key, the second internal spline are mutually twisted with the first external splines, so as to be braked to the first external splines, the first external splines transmits brake force
To the first internal spline, so as to be braked to the external device of its inside connection.
It refer to Fig. 8, the structural representation of the measure speed gears 22 of the actuator 2 of threephase asynchronous described in the utility model
Figure, the outside of measure speed gears 22 are equipped with encoder 24, and the encoder 24 is fixed on the actuator 2 so as to test the speed to described
The rotating speed of gear 22 measures, and the encoder 24 is multiple.In this embodiment, encoder 24 is two, can be with
Counting is simultaneously participated in, prevents failure makes a difference from counting effect.By encoder 24 to estimating the technology of number of gear teeth, so as to change
It is counted as the slewing rate of whole rotor, you can know the operating rate of the threephase asynchronous.
A kind of assembly method of threephase asynchronous, using the threephase asynchronous, refer to Fig. 9, this practicality
The FB(flow block) of the assembly method of the actuator of the new threephase asynchronous, comprises the following steps：
S1：Positioning key is welded on inner casing, loads stator and is welded, the height of solder joint may not exceed positioning key
Second welding hole height, after the completion of positioning key welding, removes welding high point, clean, acute angle need to fall the deburred on stator
It is blunt, and one layer of heat-conducting silicone grease is uniformly smeared on the outside of stator, heat conductive silica gel can preferably improve the cooling effect of whole device
Fruit.
S2：Housing loading baking oven is heated to 180 DEG C -200 DEG C, when insulation 3-4 is small, then by one layer of activity of its surface smear
Carbon material.So as to effectively improve surface of shell tolerance degree, anticorrosion and anti-acid-base property can greatly improve.
S3：Inner casing is installed on to the inside of shell, the first mark groove is mutually aligned with the second mark groove, in design process
The first mark groove and the second mark groove matching relationship are corresponded with the matching relationship of the first welding hole and water channel.
S4：Inner casing and shell are welded together by the first welding hole, welding process is using CO 2 gas-shielded
Weldering, weld seam use multilayer multiple tracks, weld from inside to outside, and inside weld welding is finished by the thorough back chipping of gouge, completes protective
Installation process, the welding manner of multilayer multiple tracks can ensure the stability of welding, whole housing will not be made because external hydraulic pressure and
Unbalance stress is deformed.
S5：After the completion of welding, housing hydrostatic test is done, test hydraulic pressure size is：
Wherein, n is the equipment scrapping time limit, and dimension is year；
Pressure-resistant coefficient when a designs for machine, dimensionless；
B be machine operation colliery predetermined depth, dimension km；
C is water entry pressure in water channel, dimension mPa；
To ensure housing hydraulic pressure bearing capacity；
In this embodiment, it is 4.5mPa to test hydraulic pressure size, so as to ensure to occur in actual application
Casing rupture.
S6：Actuator is installed on to the inside of inner casing, and actuator is mutually clamped with stator, the circuit on actuator leads to
Cross positioning key and installation is fixed.
A kind of threephase asynchronous of the utility model, including it is arranged on the protective outside the threephase asynchronous
1, the protective 1 includes the inner casing 11 for being arranged on internal layer, and the inner casing 11 is equipped with the water channel 111 for being used for refrigerant liquid circulation,
The water channel 111 is looped around 11 surface of inner casing for double-spiral structure and is freezed with realizing, the water channel 111 on inner housing is using double
Spiral circulation structure, compared with turning back, 111 water resistance of water channel is small, can effectively avoid water channel 111 from blocking；Further include the shell for being arranged on outer layer
12, the shell 12 is equipped with some first welding holes 121, the shape that first welding hole 121 arranges and the water channel 111
Correspond to increase the 12 hydraulic pressure bearing capacity of shell, be drilled with two rows of the on shell 12 along 111 hand of helix of water channel
One welding hole 121, in order to improve the reliability of the connection of inside and outside shell 12, increase housing hydraulic pressure bearing capacity；Spline tooth is nibbled
Crossed belt turn rotates the start and stop for realizing motor, while measure speed gears 22 are housed at 21 drive end spindle nose of hollow shaft, and test the speed tooth
Wheel 22 builds tooth using flower with hollow shaft 21 and is connected interference connection, driving torque increase；Three-phase asynchronous electric described in the utility model
The assembly method of machine, equips in process protective 1 and uses multi-layer multi-pass welding, and one layer of silica material is smeared after welding and is added
Heat, carries out the water pressure test after heating, improve the waterproof pressure of protective 1 and corrosion-resistant level.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that utility model scope involved in the application, however it is not limited to what the particular combination of above-mentioned technical characteristic formed
Technical solution, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its be equal
Other technical solutions that feature is combined and is formed.Such as features described above has with (but not limited to) disclosed herein
The technical solution that the technical characteristic for having similar functions is replaced mutually and formed.
Claims (9)
1. a kind of threephase asynchronous, including the protective outside the threephase asynchronous is arranged on, the protective
Including shell and inner casing, it is characterised in that：The inner housing surface is equipped with the water channel for refrigerant liquid circulation, and the water channel includes using
Intake tunnel and the exhalant canal for water outlet, the intake tunnel in water inlet are arranged at intervals with the exhalant canal and at them
One end is interconnected to realize the circulation of refrigerant liquid.
2. threephase asynchronous as claimed in claim 1, it is characterised in that：The intake tunnel is connected with the exhalant canal
Locate to be arcuate structure to reduce water channel described in refrigerant liquid reflux course to the obstruction of refrigerant liquid.
3. threephase asynchronous as claimed in claim 1, it is characterised in that：The shell is equipped with some first welding holes,
The arrangement of first welding hole is corresponding with the flow direction of the water channel.
4. threephase asynchronous as claimed in claim 3, it is characterised in that：The first welding hole arrangement is evenly distributed on institute
State the both sides of water channel, the spacing between adjacent first welding hole carries energy for 60mm-100mm to increase the shell hydraulic pressure
Power.
5. threephase asynchronous as claimed in claim 4, it is characterised in that：The inner casing is equipped with the first mark groove, described
Shell is equipped with the second mark groove, and the first mark groove is corresponded with the second mark groove so that first welding hole
The both ends of the water channel can be arranged on.
6. threephase asynchronous as claimed in claim 4, it is characterised in that：The protective, which further includes, is arranged on the inner casing
Welding positioning key that is internal, being positioned to the threephase asynchronous built-in component, the positioning key are equipped with some the
Two welding holes, the threephase asynchronous are internally provided with stator, and the stator contacts with each other with the positioning key and passes through institute
The second welding hole is stated to be welded and fixed to be positioned.
7. threephase asynchronous as claimed in claim 1, it is characterised in that：The threephase asynchronous, which further includes, to be arranged on
Its internal actuator, the actuator include being arranged on the hollow shaft of the actuator center, and the hollow shaft is interior
Portion is hollow to be equipped with internal spline, is equipped with the first external spline teeth outside the hollow shaft, the hollow shaft is internally provided with to be set for external
The first standby internal spline.
8. threephase asynchronous as claimed in claim 7, it is characterised in that：The actuator further include be arranged on it is described hollow
Measure speed gears outside axis, the measure speed gears are annular spline gear, and the second external spline teeth is equipped with outside the measure speed gears,
The measure speed gears are internally provided with the second inner spline gear；It is interference between first external spline teeth and second inner spline gear
Coordinate to increase the driving torque between the hollow shaft and the measure speed gears.
9. threephase asynchronous as claimed in claim 8, it is characterised in that：The actuator further includes the band-type brake for braking
Brake, the contracting brake are arranged on the outside of the measure speed gears and are intermeshed with second external spline teeth with right
The threephase asynchronous realizes braking；Some encoders are equipped with outside the measure speed gears, the encoder is fixed on institute
Actuator is stated to test the rotating speed of the measure speed gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721120903.9U CN207234587U (en) | 2017-09-01 | 2017-09-01 | Threephase asynchronous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721120903.9U CN207234587U (en) | 2017-09-01 | 2017-09-01 | Threephase asynchronous |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234587U true CN207234587U (en) | 2018-04-13 |
Family
ID=61860406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721120903.9U Withdrawn - After Issue CN207234587U (en) | 2017-09-01 | 2017-09-01 | Threephase asynchronous |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359726A (en) * | 2017-09-01 | 2017-11-17 | 青岛中加特变频电机有限公司 | Threephase asynchronous and its assembly method |
| WO2019073130A1 (en) * | 2017-10-09 | 2019-04-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Electrical machine and method for manufacturing same |
-
2017
- 2017-09-01 CN CN201721120903.9U patent/CN207234587U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359726A (en) * | 2017-09-01 | 2017-11-17 | 青岛中加特变频电机有限公司 | Threephase asynchronous and its assembly method |
| CN107359726B (en) * | 2017-09-01 | 2020-05-01 | 青岛中加特变频电机有限公司 | Three-phase asynchronous motor and assembling method thereof |
| WO2019073130A1 (en) * | 2017-10-09 | 2019-04-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Electrical machine and method for manufacturing same |
| US11552531B2 (en) | 2017-10-09 | 2023-01-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Electrical machine and method for manufacturing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180413 Effective date of abandoning: 20191115 |
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| AV01 | Patent right actively abandoned |