CN206506368U - A kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit - Google Patents
A kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit Download PDFInfo
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- CN206506368U CN206506368U CN201720177734.6U CN201720177734U CN206506368U CN 206506368 U CN206506368 U CN 206506368U CN 201720177734 U CN201720177734 U CN 201720177734U CN 206506368 U CN206506368 U CN 206506368U
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- shaft extension
- extension side
- end cap
- side end
- rotor
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Abstract
The utility model discloses a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit, including axle, the axle is connected with rotor, the inner ring of shaft extension side bearing, the inner ring of non-shaft extension side bearing and fan respectively, the axle and jump ring clamping；The outer ring of the shaft extension side bearing is connected with the bearing chamber of shaft extension side end cap, and the shaft extension side end cap and tegillum bolt connection in shaft extension side, the outside of the shaft extension side end cap have sealing ring, the shaft extension side end cap and support bolt connection；The outer ring of the non-shaft extension side bearing is connected with the bearing chamber of non-shaft extension side end cap, the non-shaft extension side end cap and tegillum bolt connection in non-shaft extension side, the non-shaft extension side end cap and collection solar or lunar halo bolt connection, the non-shaft extension side end cap and the support bolt connection；The base inner has has embedded stator winding inside stator core, the stator core；There is air gap between the stator winding and the rotor.The problem of realizing the motor of soft mechanical characteristic frequency control, and solve motor temperature.
Description
Technical field
The utility model is related to electric motors, specifically a kind of high slip frequency conversion for being used to drive beam pumping unit
Variable-speed motor.
Background technology
It is one of traditional oil production method of World Oil Industry to be recovered the oil using beam pumping unit, is also so far in oil recovery work
Prevailing oil production method always in journey.Beam pumping unit has：Moment of inertia is larger, difficulty in starting, periodically rushes
Load is hit, continuously outdoor environment is operated in, it is necessary to the features such as jig frequency continuously adjustabe.It is therefore desirable to the electricity for dragging the equipment
Motivation should have larger staring torque, softer mechanical property, round-the-clock continuous work, rotating speed continuously adjustabe, permanent moment of torsion defeated
The performance such as go out.
At present, oil field there is not one kind to meet the motor of " not only with softer mechanical property but also adapt to frequency control " performance.
It is not frequency control product, all frequency conversions although high slip motor is with softer mechanical property in motor kind
Motor does not possess softer mechanical property again.
Motor breakdown slip is the parameter for reflecting mechanical property, and breakdown slip is bigger, and mechanical property is softer.It is critical
Revolutional slip is directly proportional to rotor windings resistance.Increase rotor windings resistance can increase breakdown slip, make motor machinery special
Property soften, and torque capacity keep it is constant.Therefore, by adjusting rotor windings resistance, it is possible to achieve soft mechanical characteristic motor
Design.
From electrotechnics fundamental formular：The resistance r of conductor is directly proportional to conductor length L, electricalresistivityρ, with cross-sectional area of conductor
Product S is inversely proportional.
Limited by motor contour length size, it is impossible to by increasing the length L of rotor conductor, realize increase rotor around
Group resistance；Limited by current density, it is also not possible to by reducing rotor conductor sectional area S, realize increase rotor windings resistance；Turn
Sub- mouse cage winding resistivity of material ρ is definite value.The design of soft mechanical characteristic motor how is realized by increasing rotor resistance, is
One of key technology of the product design.
Utility model content
In view of this, the utility model provides a kind of high slip electrical variable frequency adjustable speed for being used to drive beam pumping unit
Machine, the problem of realizing the motor of soft mechanical characteristic frequency control, and solve motor temperature.
The utility model provides a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit, including：Axle,
The axle is connected with rotor, the inner ring of shaft extension side bearing, the inner ring of non-shaft extension side bearing and fan respectively, the axle and jump ring card
Connect；
The outer ring of the shaft extension side bearing is connected with the bearing chamber of shaft extension side end cap, in the shaft extension side end cap and shaft extension side
Tegillum bolt connection, the outside of the shaft extension side end cap has sealing ring, the shaft extension side end cap and support bolt connection；
The outer ring of the non-shaft extension side bearing is connected with the bearing chamber of non-shaft extension side end cap, the non-shaft extension side end cap with it is non-
Tegillum bolt connection in shaft extension side, the non-shaft extension side end cap with collection solar or lunar halo bolt connection, the non-shaft extension side end cap with it is described
Support bolt connection；Outlet box also with the support bolt connection；
The base inner has has embedded stator winding inside stator core, the stator core；
There is air gap between the stator core and the rotor；
The rotor further comprises：Balance columns, rotor end ring, rotor core, squirrel cage conductor, the wind of ladder type sliver structure
Leaf and axis hole, the balance columns, rotor end ring, the squirrel cage conductor of ladder type sliver structure and fan blade turn into described using casting technique
The inserts of rotor core；
The rotor core further comprises：The first rotor punching and the second rotor punching, the first rotor punching
Center has the first rotor punching axis hole, and the edge of the first rotor punching is evenly distributed with the first rotor punching groove
Hole；The center of second rotor punching has the second rotor punching axis hole, and the edge of second rotor punching is uniform
The second rotor punching slotted eye is distributed with；
The rotor core is made up of the first rotor punching and second rotor punching of 400~700, with institute
Centered on stating at rotor core length 1/2nd, every 50~80 the first rotor punchings, a piece of described second is added
Rotor punching, the quantity of second rotor punching 3~7, the two ends residue length of rotor core adds the first rotor
Punching, the squirrel cage conductor for forming trapezoidal-structure inlays slotted eye and the axis hole；Molten aluminium alloy is injected by institute using casting technique
State squirrel cage conductor to inlay in slotted eye, the squirrel cage conductor of the ladder type sliver structure is formed after molten aluminium alloy condensation, is cast simultaneously
It is molded the balance columns, rotor end ring and fan blade；
The edge of the non-shaft extension side end cap has equally distributed engaging lug, and the engaging lug has connecting hole, described
Non- shaft extension side end cap is connected by the connecting hole with the support, the edge of the non-shaft extension side end cap be also evenly distributed with into
Air holes, the center of the non-shaft extension side end cap has an axis hole, and the inner side of the non-shaft extension side end cap has a bearing chamber, it is described enter
There is interior tegillum connecting hole between air holes and the axis hole；
The edge of the collection solar or lunar halo has connecting hole, and the collection solar or lunar halo has outside flanging；
The edge of the shaft extension side end cap has equally distributed shaft extension side end cap engaging lug, the shaft extension side end cap connection
There is support connecting hole, the shaft extension side end cap is connected by the support connecting hole with the support, the shaft extension side on ear
The center of end cap has axis hole, has interior tegillum connecting hole between the shaft extension side end cap engaging lug and the axis hole；The axle
Stretching has 1 vent between 2 shaft extension side end cap engaging lugs on the downside of side end cap；
Wherein, the axle is connected with the rotor by connecting key.
Preferably, the fan has fan guard, the fan guard and the support bolt connection.
Preferably, the length of the rotor core is 200~350 mm；
A diameter of 205~375 mm of the rotor core.
Preferably, the outside diameter circle of the first rotor punching slotted eye is 4mm~6mm, the first rotor punching slotted eye
Bottom radius of circle R is 1mm~1.5mm, and the high H of slotted eye of the first rotor punching slotted eye is 35mm~55mm；
The second rotor punching slotted eye diameter is identical with the outside diameter circle of the first rotor punching slotted eye.
Preferably, the diameter of the first rotor punching is identical with the diameter of second rotor punching；Described first turn
The diameter of sub- punching axis hole is identical with the diameter of the second rotor punching axis hole；First of the first rotor punching slotted eye
Put circle identical with the second place circle of the second rotor punching slotted eye, the first rotor punching slotted eye and second rotor
The quantity of punching slotted eye is identical.
Preferably, diameter 20mm~30mm of the fresh air inlet, quantity is 15~20.
Preferably, the external diameter of the non-shaft extension side end cap is identical with the internal diameter of the collection solar or lunar halo.
Preferably, the angle of the flanging and horizontal direction formation is α, the angular range of α and horizontal direction for 30 °~
60 °, the length of the flanging is the fan and 1/2nd of the non-shaft extension side end cap spacing.
Preferably, the area of the vent is approximately equal to the face of the air gap between the stator core and the rotor
Product.
The utility model at least has the advantages that：
Motor is combined into rotor core by the first rotor punching and the second rotor punching, the wind with aluminum alloy materials
Leaf, end ring, the squirrel cage conductor combination of ladder type sliver structure, form the rotor of high slip motor；It is direct using ambient, cool air
The structure radiated to rotor, using the dependent fan on motor reel, is effectively controlled high slip electronic
Temperature rise of the machine in low-frequency operation.
The motor manufactured using the utility model patented technology can realize following characteristic：
In power frequency 50Hz states, it is possible to achieve：Locked-rotor torque/nominal torque >=2.75；At full capacity during continuous operation, slip
Rate 5%~8%, temperature rise≤80K.
In power frequency 50Hz power frequency states, it is possible to achieve：Coefficient of utilization 1.15, continuous operation at full capacity, revolutional slip 5%~8%,
Temperature rise≤105K.
In frequency conversion 15Hz states, it is possible to achieve：Permanent torque output, continuous operation, revolutional slip >=5%, temperature rise≤105K.
In frequency conversion 70Hz states, it is possible to achieve：Constant power output, continuous operation, revolutional slip >=5%, temperature rise≤105K.
Brief description of the drawings
By the description below with reference to accompanying drawing to the utility model embodiment, of the present utility model above-mentioned and other mesh
, feature and advantage it is apparent, in the accompanying drawings：
Fig. 1 is the electric motor structure half section schematic diagram of the utility model embodiment；
Fig. 2 is the rotor assembling half sectional view of the utility model embodiment；
Fig. 3 is the rotor assembling left view of the utility model embodiment；
Fig. 4 is the first rotor punching front view of the utility model embodiment；
Fig. 5 is the second rotor punching front view of the utility model embodiment；
Fig. 6 is the first rotor punching slotted eye front view of the utility model embodiment；
Fig. 7 is the second rotor punching slotted eye front view of the utility model embodiment；
Fig. 8 is the rotor core assembling half sectional view of the utility model embodiment；
Fig. 9 is the rotor core assembling left view of the utility model embodiment；
Figure 10 is the non-shaft extension side end cap front view of the utility model embodiment；
Figure 11 is the non-shaft extension side end cap revolved sectional view of the utility model embodiment；
Figure 12 is the collection solar or lunar halo sectional view of the utility model embodiment；
Figure 13 is that the collection solar or lunar halo of the utility model embodiment and non-shaft extension side end cap assemble semi-cutaway；
Figure 14 is the shaft extension side end cap front view of the utility model embodiment；
Figure 15 is the shaft extension side end cap upward view of the utility model embodiment.
Embodiment
The utility model is described below based on embodiment, but what deserves to be explained is, the utility model is not limited
In these embodiments.It is detailed to describe some specific detail sections below in detailed description of the present utility model.So
And, for the part of not detailed description, those skilled in the art can also understand the utility model completely.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided is simply to illustrate that of the present utility model
Objects, features and advantages, accompanying drawing is not to be actually drawn to scale.
Meanwhile, unless the context clearly requires otherwise, " comprising ", "comprising" otherwise in entire disclosure and claims etc.
Similar word should be construed to the implication included rather than exclusive or exhaustive implication；That is, being " including but not limited to "
Implication.
Fig. 1 is the electric motor structure half section schematic diagram of the utility model embodiment.As shown in figure 1, motor by axle 1,
Dust ring 2, shaft extension side end cap 3, shaft extension side bearing 4, tegillum 5 in shaft extension side, in shaft extension side tegillum 5 and shaft extension side end cap 3 company
Connecting bolt 6, support 7, stator winding 8, stator core 9, axle 1 and the connecting key 10 of rotor 11, rotor 11, stator core 9, rotor
11st, air gap 12, the connecting bolt 13 of pin cap 14 and non-shaft extension side end cap 16 in non-shaft extension side, tegillum 14, non-axle in non-shaft extension side
Stretch side bearing 15, non-shaft extension side end cap 16, collection solar or lunar halo 18 and the non-connecting bolt 17 of shaft extension side end cap 16, collection solar or lunar halo 18, fan guard
19th, fan 20, fan key 21, jump ring 22, fan housing connecting bolt 23, end cover connecting bolt 24, outlet box connecting bolt 25 and go out
Line box 26 is constituted.
In Fig. 1, axle 1 is connected with rotor 11 using key 10；The inner ring of shaft extension side bearing 4 is connected with axle 1, shaft extension side end cap 3
Bearing chamber is connected with the outer ring of bearing 4, and tegillum 5 is connected with shaft extension side end cap 3 using bolt 6 in shaft extension side；Sealing ring 2 is placed on axle
The outside of side end cap 3 is stretched, sealing ring 2 is connected with shaft extension side end cap 3, sealing ring 2 is used to prevent liquid from entering motor interior；It is non-
The inner ring of shaft extension side bearing 15 is connected with axle 1, and the bearing chamber of non-shaft extension side end cap 16 is connected with the non-outer ring of shaft extension side bearing 15, non-axle
Tegillum 14 in side is stretched to be connected using bolt 13 with non-shaft extension side end cap 16；Stator winding 8 is embedded in stator core 9, stator iron
The hot charging of core 9 enters in support 7, has air gap 12 between stator core 9 and rotor 11；Non- shaft extension side end cap 16 is used with collection solar or lunar halo 18
Bolt 17 is connected；Fan 20 is connected by fan key 21 with axle 1, jump ring 22 and the clamping of axle 1；Shaft extension side end cap 3 is used with support 7
Bolt 24 is connected, and non-shaft extension side end cap 16 is also connected with support 7 using bolt 24；Fan guard 19 is connected with support 7 using bolt 23
Connect；Outlet box 26 is connected with support 7 using bolt 25.
Further, motor is connected by outlet box 26 with power supply.
Fig. 2 is the rotor assembling half sectional view of the utility model embodiment.Fig. 3 is the rotor dress of the utility model embodiment
With left view.As shown in Figures 2 and 3, the rotor 11 in Fig. 1 includes：Balance columns 11-1, rotor end ring 11-2, rotor core 11-
3rd, the squirrel cage conductor 11-4 of ladder type sliver structure, fan blade 11-5 and axis hole 11-6.
In Fig. 2 and Fig. 3, balance columns 11-1, rotor end ring 11-2, the squirrel cage conductor 11-4 and fan blade of ladder type sliver structure
11-5 makes rotor core 11-3 inserts using casting technique.
Further, in figs. 2 and 3, rotor core 11-3 is by the first rotor punching 11-3-1 and the punching of the second rotor
The silicon steel punching of the different groove profiles of two kinds of piece 11-3-2 is combined, and silicon steel sheet thickness is 0.5mm, rotor core 11-3 length
L is 200~350mm.
Further, balance columns 11-1, rotor end ring 11-2, the squirrel cage conductor 11-4 and fan blade 11-5 of ladder type sliver structure
For aluminum alloy materials.
Fig. 4 is the first rotor punching front view of the utility model embodiment.As shown in figure 4, the first rotor punching 11-3-
1 is designed with the first rotor punching slotted eye 11-3-1-1 and the first rotor punching axis hole 11-3-1-2.
In Fig. 4, the first rotor punching 11-3-1 center has the first rotor punching axis hole 11-3-1-2, first
Rotor punching rotor punching 11-3-1 edge is evenly distributed with the first rotor punching slotted eye 11-3-1-1, the first rotor punching groove
Hole 11-3-1-1 concrete shape is as shown in Figure 6.
Fig. 5 is the second rotor punching front view of the utility model embodiment.As shown in figure 5, the second rotor punching 11-3-
2 are designed with the second rotor punching slotted eye 11-3-2-1, the second rotor punching axis hole 11-3-2-2.
Second rotor punching 11-3-2 center has the second rotor punching axis hole 11-3-2-2, the second rotor punching
It is circular trough that rotor punching 11-3-2 edge, which is evenly distributed with the second rotor punching slotted eye 11-3-2-1, slotted eye 11-3-2-1,
Hole, the second rotor punching slotted eye 11-3-2-1 concrete shape is as shown in Figure 7.
Further, illustrated with reference to Fig. 4 and Fig. 5, the first rotor punching 11-3-1 diameter of phi 1 and the second rotor punching
11-3-2 diameter of phi 4 is identical；The first rotor punching axis hole 11-3-1-2 diameter of phi 3 is straight with the second rotor punching axis hole 11-3-2-2
Footpath Φ 6 is identical；The first rotor punching slotted eye 11-3-1-1 first positions circle Φ 2 and second rotor punching slotted eye 11-3-2-1 second
Position circle Φ 5 is identical.The first rotor punching slotted eye 11-3-1-1 is identical with the second rotor punching slotted eye 11-3-2-1 quantity.
Fig. 6 is the first rotor punching slotted eye front view of the utility model embodiment.As shown in fig. 6, the first rotor punching
Slotted eye 11-3-1-1 outside diameter circle Φ 7 takes 4mm~6mm, the first rotor punching slotted eye 11-3-1-1 bottom radius of circle R to take 1mm
~1.5mm, the first rotor punching slotted eye 11-3-1-1 high H of slotted eye takes 35mm~55mm.
Fig. 7 is the second rotor punching slotted eye front view of the utility model embodiment.As shown in fig. 7, the second rotor punching
Slotted eye 11-3-2-1 diameter of phi 8 is identical with the first rotor punching slotted eye 11-3-1-1 outside diameter circle Φ 7.
Fig. 8 is the rotor core assembling half sectional view of the utility model embodiment.Fig. 9 is turning for the utility model embodiment
Sub- iron core assembly left view.As shown in Figure 8 and Figure 9, rotor core is by the first rotor punching 11-3-1 and the second rotor punching 11-
3-2 is combined, and the squirrel cage conductor for foring trapezoidal-structure inlays slotted eye 11-3-3 and axis hole 11-6.
In Fig. 8 and Fig. 9, rotor core diameter phi 9 and the first rotor punching 11-3-1 diameter phis 1 and the second rotor punching
11-3-2 diameter phis 4 are identical, and rotor core diameter phi 9=（205~375）Mm, rotor core length L are 200~350mm, by
The first rotor of 400~700 rushes rotor punching 11-3-1 and the second rotor punching rotor punching 11-3-2 compositions.With rotor iron
Centered at core length L 1/2nd, every 50~80 the first rotor punching 11-3-1, a piece of second rotor punching is added
11-3-2, the second rotor punching 11-3-2 usage quantities 3~7, the two ends residue length of rotor core adds the first rotor punching
Piece 11-3-1.Second rotor punching slotted eye 11-3-2-1 outside diameter circle Φ 7（In Fig. 5）With the first rotor punching slotted eye 11-3-
1-1 is completely superposed, and the squirrel cage conductor for forming trapezoidal-structure inlays slotted eye 11-3-3 and axis hole 11-6.
In Fig. 2, Fig. 8 and Fig. 9, the rotor being combined into by the first rotor punching 11-3-1 and the second rotor punching 11-3-2
Iron core 11-3, the squirrel cage conductor for foring trapezoidal-structure inlays slotted eye 11-3-3, is injected molten aluminium alloy using casting technique
The squirrel cage conductor of trapezoidal-structure is inlayed in slotted eye 11-3-3, and the squirrel cage conductor of ladder type sliver structure is formed after molten aluminium alloy condensation
11-4, while casting balance columns 11-1, rotor end ring 11-2 and fan blade 11-5.
By adjusting the second rotor punching 11-3-2 quantity and position, the tune of rotor windings resistance value can be conveniently realized
It is whole, obtain the rotor windings resistance value required for soft mechanical characteristic motor.
Figure 10 is the non-shaft extension side end cap front view of the utility model embodiment.As shown in Figure 10, and with reference to Fig. 1 said
Bright, because the power attenuation of rotor 11 of motor increases with the increase of rotor resistance, the increase of the power attenuation of rotor 11 is necessarily led
Cause motor temperature rise.In order to prevent motor temperature from exceeding the limit value of the class of insulation, it is ensured that the continuous running status of motor
When have enough power outputs, the utility model is directly radiated using ambient, cool air to rotor, reduces rotor heating
Influence to motor temperature.
Illustrated with reference to Fig. 1 and Figure 10, motor designs employ the non-shaft extension side end cap 16 with fresh air inlet, collection wind
The structure of circle 18 and the shaft extension side end cap 3 with vent, is realized using the dependent fan 20 on the axle 1 of motor
Ambient, cool air directly carries out forced heat radiation to rotor 11, is effectively controlled temperature of the high slip motor in low-frequency operation
Rise.
Figure 11 is the non-shaft extension side end cap revolved sectional view of the utility model embodiment.As shown in figure 11, and with reference to Fig. 1 enter
Row explanation, the edge of non-shaft extension side end cap 16, which has, is evenly distributed with 4 engaging lug 16-1, and engaging lug 16-1 has connecting hole,
Non- shaft extension side end cap 16 is connected by connecting hole with support 7, and the edge of non-shaft extension side end cap 16 is evenly distributed with fresh air inlet 16-2,
The center of non-shaft extension side end cap 16 has non-shaft extension side end cap axis hole 16-3, and the non-inner side of shaft extension side end cap 16 has bearing chamber
There is tegillum connecting hole 16-4 in non-shaft extension side end cap, non-shaft extension side end cap 16 and collection solar or lunar halo on 16-6, non-shaft extension side end cap 16
18 connecting portions have a screw 16-5, screw 16-5 quantity 8 to 16, and screw 16-5 is along non-shaft extension side end cap 16 and collection solar or lunar halo 18
Connecting portion is uniformly distributed.
Further, fresh air inlet 16-2 diameters 20mm~30mm, quantity 15~20；The external diameter Φ of non-shaft extension side end cap 16
10 is identical with collecting the internal diameter Φ 11 of solar or lunar halo 18.
Figure 12 is the collection solar or lunar halo sectional view of the utility model embodiment.As shown in figure 12, and with reference to Fig. 1 illustrate, collect
Solar or lunar halo 18 has connecting hole 18-1, connecting hole 18-1 quantity and position and the spiral shell of non-shaft extension side end cap 16 with end cap connecting portion
Hole 16-5 is identical, integrates the flanging of solar or lunar halo 18 and the angle of horizontal direction formation as α, the angular range of α and horizontal direction is 300~
600, the length H2 of flanging takes 1/2nd of fan 20 and the non-spacing of shaft extension side end cap 16, and the flanging diameter of collection solar or lunar halo 18 is more than
Φ11.Collect identical with the external diameter Φ 10 of non-shaft extension side end cap 16 through Φ 11 in solar or lunar halo.
Figure 13 is that the collection solar or lunar halo of the utility model embodiment and non-shaft extension side end cap assemble semi-cutaway.As shown in figure 13, tie
Close Figure 11 and Figure 12 to illustrate, using bolt 17 by collecting solar or lunar halo connecting hole 18-1 end cap screw 16-5, realize collection solar or lunar halo 18
With the connection of non-shaft extension side end cap 16.
In Figure 12 and Figure 13, collection solar or lunar halo 18 has two effects：First is to shunt ambient, cool air, a part of cold sky of environment
Fresh air inlet 16-2 of the gas through non-shaft extension side end cap 16 enters motor interior, and second is to play to prevent rainwater from entering in motor
Portion.
Figure 14 is the shaft extension side end cap front view of the utility model embodiment.Figure 15 is the shaft extension of the utility model embodiment
Side end cap upward view.As shown in Figure 14 and Figure 15, illustrated with reference to Fig. 1, shaft extension side end cap 3 has shaft extension side end cap engaging lug
3-1, shaft extension side end cap axis hole 3-2 and interior tegillum connecting hole 3-3 and vent 3-4.
In Fig. 1, Figure 14 and Figure 15, the edge of shaft extension side end cap 3 has equally distributed shaft extension side end cap engaging lug 3-
There is support connecting hole, shaft extension side end cap 3 is connected by support connecting hole with support 7, axle on 1, shaft extension side end cap engaging lug 3-1
Stretching the center of side end cap 3 has on shaft extension side end cap axis hole 3-2, shaft extension side end cap 3 with interior tegillum connecting hole 3-3.
In Fig. 1, Figure 14 and Figure 15, have 1 between two shaft extension side end cap engaging lug 3-1 of the downside of shaft extension side end cap 3
Individual vent 3-4.
Further, shaft extension side end cap vent 3-4 areas are approximately equal to the air gap 12 between stator core 9 and rotor 11
Area.
With reference to Fig. 1~15, the motor heat dissipation course of work is briefly described：Electrical motor fan 20 connects with armature spindle 1
Connect, motor rotation drives fan 20 to work.The non-shaft extension side end cap 16 of the side of fan 20 is provided with fresh air inlet 16-2, non-shaft extension side
There is air gap 12 in the outside of lid 16, shaft extension side end cap 3 is provided with vent 3-4 equipped with collection solar or lunar halo 18 between stator core 9 and rotor 11.Ring
Border cold air point two-way in the presence of fan 20, blows to support through the space between the inwall of fan guard 19 and collection solar or lunar halo 18 all the way
Motor surfaces are cooled by 7 outer surfaces；Another road retains the fresh air inlet 16-2 through non-shaft extension side end cap 16 by collection solar or lunar halo 18 and entered
Motor interior, by the air gap 12 between stator core 9 and rotor 11, rotor surface heat is taken away, through shaft extension side end cap 3
On vent 3-4 discharge.This structure can directly reduce rotor surface and support surface temperature, limit rotor heat to stator
Radiation, can effectively control the temperature rise of stator winding.
Embodiment described above is only expression embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as.It should be pointed out that to the ordinary skill people of this area
For member, without departing from the concept of the premise utility, some deformations, equal replacement can also be made, improved etc., these
Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit, including：Axle（1）, it is characterised in that：
The axle（1）Respectively with rotor（11）, shaft extension side bearing（4）Inner ring, non-shaft extension side bearing（15）Inner ring and fan
（20）Connection, the axle（1）With jump ring（22）Clamping；
The shaft extension side bearing（4）Outer ring and shaft extension side end cap（3）Bearing chamber connection, the shaft extension side end cap（3）With axle
Stretch tegillum in side（5）Bolt connection, the shaft extension side end cap（3）Outside there is sealing ring（2）, the shaft extension side end cap（3）
With support（7）Bolt connection；
The non-shaft extension side bearing（15）Outer ring and non-shaft extension side end cap（16）Bearing chamber connection, the non-shaft extension side end cap
（16）With tegillum in non-shaft extension side（14）Bolt connection, the non-shaft extension side end cap（16）With collection solar or lunar halo（18）Bolt connection, institute
State non-shaft extension side end cap（16）With the support（7）Bolt connection；Outlet box（26）Also with the support（7）Bolt connection；
The support（7）Inside has stator core（9）, the stator core（9）Inside has embedded stator winding（8）；
The stator core（9）With the rotor（11）Between have air gap（12）；
The rotor（11）Further comprise：Balance columns（11-1）, rotor end ring（11-2）, rotor core（11-3）, ladder type leads
The squirrel cage conductor of bar structure（11-4）, fan blade（11-5）And axis hole（11-6）, the balance columns（11-1）, rotor end ring（11-
2）, ladder type sliver structure squirrel cage conductor（11-4）And fan blade（11-5）The rotor core is turned into using casting technique（11-3）
Inserts；
The rotor core（11-3）Further comprise：The first rotor punching（11-3-1）With the second rotor punching（11-3-2）,
The first rotor punching（11-3-1）Center there is the first rotor punching axis hole（11-3-1-2）, the first rotor
Punching（11-3-1）Edge be evenly distributed with the first rotor punching slotted eye（11-3-1-1）；Second rotor punching（11-3-
2）Center have the second rotor punching axis hole（11-3-2-2）, second rotor punching（11-3-2）Edge it is uniform
The second rotor punching slotted eye is distributed with（11-3-2-1）；
The rotor core（11-3）By the first rotor punching of 400~700（11-3-1）With second rotor punching
Piece（11-3-2）Composition, with the rotor core（11-3）Centered at length 1/2nd, every 50~80 described first
Rotor punching（11-3-1）, add a piece of second rotor punching（11-3-2）, second rotor punching（11-3-2）'s
Quantity 3~7, rotor core（11-3）Two ends residue lengths add the first rotor punching（11-3-1）, form ladder type
The squirrel cage conductor of structure inlays slotted eye（11-3-3）With the axis hole（11-6）；Molten aluminium alloy is injected by institute using casting technique
State squirrel cage conductor and inlay slotted eye（11-3-3）It is interior, the squirrel cage conductor of the ladder type sliver structure is formed after molten aluminium alloy condensation
（11-4）, while balance columns described in casting（11-1）, rotor end ring（11-2）, fan blade（11-5）；
The non-shaft extension side end cap（16）Edge there is equally distributed engaging lug（16-1）, the engaging lug（16-1）Have
Connecting hole, the non-shaft extension side end cap（16）Pass through the connecting hole and the support（7）Connection, the non-shaft extension side end cap
（16）Edge be also evenly distributed with fresh air inlet（16-2）, the non-shaft extension side end cap（16）Center there is non-shaft extension side
Lid axis hole（16-3）, the non-shaft extension side end cap（16）Inner side there is bearing chamber（16-6）, the fresh air inlet（16-2）And institute
State non-shaft extension side end cap axis hole（16-3）Between have non-shaft extension side end cap in tegillum connecting hole（16-4）；
The collection solar or lunar halo（18）Edge there is connecting hole（18-1）, the collection solar or lunar halo（18）With outside flanging；
The shaft extension side end cap（3）Edge there is equally distributed shaft extension side end cap engaging lug（3-1）, the shaft extension side end cap
Engaging lug（3-1）It is upper that there is support connecting hole, the shaft extension side end cap（3）Pass through the support connecting hole and the support（7）
Connection, the shaft extension side end cap（3）Center there is shaft extension side end cap axis hole（3-2）, the shaft extension side end cap engaging lug（3-1）
With the shaft extension side end cap axis hole（3-2）Between have interior tegillum connecting hole（3-3）；The shaft extension side end cap（3）2 of downside
The shaft extension side end cap engaging lug（3-1）Between there is 1 vent（3-4）；
Wherein, the axle（1）With the rotor（11）Pass through connecting key（10）Connection.
2. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The fan（20）With fan guard（19）, the fan guard（19）With the support（7）Bolt connection.
3. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The rotor core（11-3）Length be 200~350 mm；
The rotor core（11-3）A diameter of 205~375 mm.
4. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The first rotor punching slotted eye（11-3-1-1）Outside diameter circle be 4mm~6mm, the first rotor punching slotted eye
（11-3-1-1）Bottom radius of circle R is 1mm~1.5mm, the first rotor punching slotted eye（11-3-1-1）The high H of slotted eye be 35mm
~55mm；
The second rotor punching slotted eye（11-3-2-1）Diameter and the first rotor punching slotted eye（11-3-1-1）Tip circle
Diameter is identical.
5. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The first rotor punching（11-3-1）Diameter and second rotor punching（11-3-2）Diameter it is identical；Described
One rotor punching axis hole（11-3-1-2）Diameter and the second rotor punching axis hole（11-3-2-2）Diameter it is identical；It is described
The first rotor punching slotted eye（11-3-1-1）First position circle with the second rotor punching slotted eye（11-3-2-1）Second
Position circle is identical, the first rotor punching slotted eye（11-3-1-1）With the second rotor punching slotted eye（11-3-2-1）Number
Amount is identical.
6. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The fresh air inlet（16-2）Diameter 20mm~30mm, quantity be 15~20.
7. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The non-shaft extension side end cap（16）External diameter and the collection solar or lunar halo（18）Internal diameter it is identical.
8. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The angle of the flanging and horizontal direction formation is α, and the angular range of α and horizontal direction is 30 °~60 °, the flanging
Length be the fan（20）With the non-shaft extension side end cap（16）/ 2nd of spacing.
9. a kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit according to claim 1, it is special
Levy and be：
The vent（3-4）Area be approximately equal to the stator core（9）With the rotor（11）Between the air gap
（12）Area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177734.6U CN206506368U (en) | 2017-02-27 | 2017-02-27 | A kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177734.6U CN206506368U (en) | 2017-02-27 | 2017-02-27 | A kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206506368U true CN206506368U (en) | 2017-09-19 |
Family
ID=59841341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720177734.6U Withdrawn - After Issue CN206506368U (en) | 2017-02-27 | 2017-02-27 | A kind of high slip frequency-conversion and speed-regulation motor for being used to drive beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206506368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816974A (en) * | 2017-02-27 | 2017-06-09 | 百恒石油装备有限公司 | A kind of slip frequency-conversion and speed-regulation motor high for driving beam pumping unit |
-
2017
- 2017-02-27 CN CN201720177734.6U patent/CN206506368U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816974A (en) * | 2017-02-27 | 2017-06-09 | 百恒石油装备有限公司 | A kind of slip frequency-conversion and speed-regulation motor high for driving beam pumping unit |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20170919 Effective date of abandoning: 20230321 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170919 Effective date of abandoning: 20230321 |