CN211629990U - Fixing seat of air-cooled outer rotor electric roller - Google Patents
Fixing seat of air-cooled outer rotor electric roller Download PDFInfo
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- CN211629990U CN211629990U CN202020455204.5U CN202020455204U CN211629990U CN 211629990 U CN211629990 U CN 211629990U CN 202020455204 U CN202020455204 U CN 202020455204U CN 211629990 U CN211629990 U CN 211629990U
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- outer ring
- shaft sleeve
- electric roller
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Abstract
The utility model discloses a fixing base of an air-cooled outer rotor electric roller, which comprises a middle shaft sleeve (27), an axial support rib plate (23), a fixed outer ring (25) and a lifting hole (26), wherein the middle shaft sleeve (27) is fixedly connected with a stator assembly, the middle shaft sleeve (27) is sequentially connected with the axial support rib plate (23) and the fixed outer ring (25), the lifting hole (26) is positioned on the fixed outer ring (25), a channel (24) is formed between the middle shaft sleeve (27), the axial support rib plate (23) and the fixed outer ring (25) and is in one-to-one correspondence with an air inlet and an air outlet of an inner ring of a bearing seat (3), a fan at one end of a main shaft (9) sends cooling air flow into a ventilation duct inside the stator assembly through the fixing base (28) and an end cover component so as to cool a stator core, and plays a fixing and supporting role through the fixing base, meanwhile, the smoothness of the air flow is improved, and the heat dissipation effect of the roller is ensured.
Description
Technical Field
The utility model relates to an electric drive system technical field, more specifically say, relate to an air-cooled external rotor motorized pulley's fixing base.
Background
The outer rotor electric roller has the advantages of simple mechanism, reliable operation, less loss, high efficiency, direct drive control and the like, is particularly suitable for application occasions with low speed and large torque, and is widely applied to industries such as petroleum, mining, metallurgy and steel rolling. When the outer rotor electric roller works, a coil arranged on a stator of the outer rotor electric roller can generate a large amount of induction heat, the motor is easy to age, the service life of the outer rotor electric roller is influenced, in order to improve the heat dissipation capacity of the outer rotor electric roller, a reasonable cooling system is very necessary for controlling the temperature rise of the outer rotor electric roller, so that equipment needs to be cooled. The fixing seat in the prior art mainly plays a role in fixing and supporting.
The Chinese patent CN204089403U discloses a polygonal mounting support for a main shaft, which comprises a support body, wherein the support body is provided with a shaft mounting hole, and the polygonal mounting support is characterized in that the cross section of the shaft mounting hole is polygonal; chinese patent CN204089425U discloses a main shaft wedge type mounting support, which comprises a support body and a plurality of pins or pin shafts, wherein the support body is provided with a shaft mounting hole, and the main shaft is mounted and sleeved in the shaft mounting hole. When above-mentioned support is used for the outer rotor electric drum of forced air cooling form, if the wind current is pressed close to the axle outside and is gone into wind, then can block the wind current, influence the smoothness nature of wind current to influence the cylinder radiating effect, increase the wind resistance that flows in the stator from the axial radial hole simultaneously, need highly-compressed air, the installation scene often receives the condition restriction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the aforesaid provided, provide an air-cooled external rotor motorized pulley's fixing base that improves wind smoothness nature, radiating effect is good, the demand wind pressure is little.
The technical scheme provided comprises the following steps:
in the fixing base of the air-cooled external rotor electric roller of the present invention, include: the stator comprises a middle shaft sleeve 27, axial support rib plates 23 and a fixed outer ring 25, wherein the middle shaft sleeve 27 is fixedly connected with the axial support rib plates 23, the axial support rib plates 23 are fixedly connected with the fixed outer ring 25, the middle shaft sleeve 27 is fixedly connected with a stator assembly, the axial support rib plates 23 are located between the middle shaft sleeve 27 and the fixed outer ring 25, the fixed outer ring 25 is connected with an end cover assembly, and a plurality of channels 24 are formed among the middle shaft sleeve 27, the axial support rib plates 23 and the fixed outer ring 25.
In the fixing base of the air-cooled external rotor electric roller, the axial support rib plate 23 is uniformly distributed along the circumference of the middle shaft sleeve 27.
In the fixing base of the air-cooled external rotor electric roller of the present invention, the cross section of the channel 24 is fan-shaped, triangular, rectangular or trapezoidal.
In the fixing base of the air-cooled external rotor electric roller of the present invention, an extending end is provided on each of the left and right sides of the bottom of the fixed outer ring 25, and a fixing mounting hole 29 is provided on the extending end.
Forced air cooling external rotor motorized pulley's fixing base in, the stator assembly includes main shaft 9 and bearing frame 3, main shaft 9 with middle axle sleeve 27 fixed connection, the circle cloth has the business turn over wind gap in the bearing frame 3, the quantity and the cross sectional shape in business turn over wind gap with 24 one-to-one of passageway on the fixing base 28.
In the fixing base of the air-cooled external rotor electric roller, an air-cooled structure is distributed outside the main shaft 9 in the stator assembly, and the air-cooled structure corresponds to the air inlet and the air outlet of the inner ring of the bearing seat 3 in a one-to-one manner.
In the fixing base of the air-cooled external rotor electric roller of the present invention, the fixing base further comprises a hanging hole 26, wherein the hanging hole 26 is disposed on the fixed outer ring 25.
The utility model has the advantages that:
form passageway 24 through fixed outer lane 25, axial support gusset 23 and middle axle sleeve 27 for make the wind current get into the ventiduct, when having guaranteed that original fixing base 28 is fixed and supporting role, improve the smoothness nature of wind current, guaranteed the cylinder radiating effect, reduce the wind resistance that the radial hole of follow axle flowed in the stator, reduce air inlet demand wind pressure, do not receive the restriction of needs high pressure wind, use ordinary fan can.
Drawings
FIG. 1 is a sectional view of the air cooling structure of the present invention
FIG. 2 is a cross-sectional view of the end cap assembly
FIG. 3 is a schematic structural view of the end cap of the present invention
FIG. 4 is a schematic structural view of the fixing base of the present invention
Shown in the figure are: stator sleeve 1, heat dissipation rib plate 2, bearing seat 3, axial rib plate 4, first air deflector 5, second air deflector 6, shaft sleeve 7, flat key 8, main shaft 9, lock nut 10, threading pipe 11, stator coil iron core assembly 12, outer oil cover 13, first sealing ring 14, end cover 15, second sealing ring 16, bearing 17, inner oil cover 18, plug screw 19, rotary shaft lip-shaped sealing ring 20, end cover mounting hole 21, through hole 22 for oil nozzle, axial support rib plate 23, channel 24, fixed outer ring 25, lifting hole 26, middle shaft sleeve 27, fixed seat 28, fixed mounting hole 29, wind direction 30
Detailed Description
The present description is specifically described below with reference to the accompanying drawings:
as shown in fig. 1-4, the present invention includes a fixing base 28, an end cap assembly, and a stator assembly. The fixing seat 28 comprises a middle shaft sleeve 27, an axial supporting rib plate 23 and a fixed outer ring 25, the end cover assembly comprises an end cover 15, an oil cover assembly, a bearing 17 and a sealing device, and the stator assembly comprises a stator sleeve 1, an axial rib plate 4, an air guide plate structure, a shaft sleeve 7, a main shaft 9, a stator coil iron core assembly 12 and a bearing seat 3. Wherein the fixed seat 28 is fixed together through the key connection or the shrink fit of middle axle sleeve 27 and main shaft 9, and the stator assembly is connected together with the end cover subassembly through stator sleeve 1 and bearing frame 3 outer lane welded.
As shown in fig. 4, in the preferred embodiment of the fixing seat of the air-cooled external rotor electric roller of the present invention, the fixing seat 28 may be formed by integral casting or wire cutting, or by welding each component structure.
The utility model discloses in the preferred embodiment of forced air cooling external rotor electric roller's fixing base, fixing base 28 is through the fixed cylinder main shaft 9 of middle axle sleeve 27, and 6 preferred axial support gusset 23 weld with fixed outer lane 25 and middle axle sleeve 27 respectively to 6 axial support gusset 23 along middle axle sleeve 27 circumference evenly distributed, form the passageway 24 of 6 equal divisions between middle axle sleeve 27, axial support gusset 23 and the fixed outer lane 25, and the cross-section of its passageway 24 is fan-shaped, prevents to block the cooling air stream.
In the preferred embodiment of the fixing seat of the air-cooled external rotor electric roller of the present invention, the cross section of the channel 24 may be any shape, for example: fan, rectangular, triangular or trapezoidal, preferably in the shape of a fan.
In the preferred embodiment of the fixing base of the air-cooled external rotor electric roller of the present invention, the screw holes are formed on the front and rear planes of the fixed outer ring 25 for mounting the fan guard or the connection cover, and the bottom of the fixed outer ring 25 has an extending end, on which the fixing holes 29 are formed to fix the fixing base 28.
The utility model discloses in the preferred embodiment of forced air cooling external rotor motorized pulley's fixing base, cloth has the lewis hole 26 on the fixed outer lane 25, and it is located fixed outer lane 25 top, is used for installing hoist device to convenient hoist and mount.
The utility model discloses in the preferred embodiment of forced air cooling external rotor electric roller's fixing base, the cooling air that the fan produced flows and gets into or discharges from the passageway 24 on the fixing base 28, when having guaranteed original fixing base 28 fixed action, has increased corresponding passageway 24, improves the smoothness nature of ventilating, has guaranteed external rotor electric roller's radiating effect, more is suitable for the external rotor electric roller's of adopting off-axis forced air cooling structure fixed.
As shown in fig. 2-3, in the preferred embodiment of the fixing seat of the air-cooled external rotor electric roller of the present invention, the bearing 17 in the end cover assembly is a large diameter hole bearing 17, preferably a deep groove ball bearing 17 with an inner diameter greater than 400.
The utility model discloses forced air cooling outer rotor motorized pulley's the preferred embodiment of fixing base, through the heat jacket or through the bearing pressure equipment machine with the bearing 17 mode such as directly impress end cover 15 with end cover 15 tight-fitting in the bearing 17 outer lane.
In the preferred embodiment of the fixing seat of the air-cooled external rotor electric roller of the utility model, the oil cover component comprises an outer oil cover 13 and an inner oil cover 18, the outer oil cover 13 is fixed with one side of the end cover 15 through a fastener and is provided with a sealing device, a rotary shaft lip-shaped sealing ring 20 is installed in an inner hole of the outer oil cover 13 to ensure the sealing performance of the outer oil cover, and simultaneously, a plurality of countersunk holes are arranged on the outer side of the outer oil cover 13 and are uniformly distributed along the circumferential direction of the outer side of the outer oil cover 13 to install an oil nozzle and a screw plug; the inner oil cover 18 is arranged at the other side of the end cover 15 through a fastening piece and is provided with a sealing device, and oil grooves are uniformly distributed on the circumference of the inner oil cover 18 for injecting oil.
In the preferred embodiment of the fixing seat of the air-cooled outer rotor electric roller of the present invention, the sealing device includes the first sealing ring 14 and the second sealing ring 16, the first sealing ring 14 is used to ensure the sealing performance between the outer oil cover 13 and the end cover 15, and the second sealing ring 16 is used to ensure the sealing performance between the inner oil cover 18 and the end cover 15.
The utility model discloses in the preferred embodiment of forced air cooling external rotor motorized pulley's fixing base, end cover 15 is the stairstepping flange shape, and its outside evenly is equipped with end cover mounting hole 21 along circumference for with external rotor motorized pulley fixed connection, the inboard is equipped with through-hole 22 for the glib talker along circumference, is linked together for the oil groove with interior oil cover 18, thereby makes to form the return circuit between glib talker and the plug screw 19.
The utility model discloses in the preferred embodiment of forced air cooling outer rotor motorized pulley's fixing base, 3 outer lanes of bearing frame are the notch cuttype form, and its centre bore has the chamfer, and chamfer angle is adjustable at 5-45, can be along with 3 length of bearing frame and 24 size adjustments of passageway, and its chamfer angle of preferred is 35, plays the effect of air-guide.
The utility model discloses in the preferred embodiment of forced air cooling outer rotor motorized pulley's fixing base, bearing frame 3 is through welding with axial gusset 4, and axial gusset 4 welds with axle sleeve 7, and the quantity of preferred axial gusset 4 is 6 and follows axle sleeve 7 circumference evenly distributed, forms the business turn over wind gap of 6 partitions between axle sleeve 7, axial gusset 4 and the bearing frame 3 to with the 24 one-to-one of passageway of fixing base 28.
In the preferred embodiment of the fixing seat of the air-cooled outer rotor electric roller of the utility model, the axial rib plate 4 can be directly welded with the main shaft 9.
In the utility model discloses in the preferred embodiment of forced air cooling external rotor motorized pulley's fixing base, bearing 17, end cover 15, oil cap subassembly are constituteed integratively, and direct mount leaves sufficient space for the inside business turn over wind gap of bearing frame 3 on the external rotor motorized pulley's that adopts the forced air cooling structure bearing frame 3.
As shown in fig. 1, in the preferred embodiment of the fixing base of the air-cooled external rotor electric roller of the present invention, a plurality of heat dissipation rib plates 2 are uniformly distributed on the circumference of the inner ring of the stator sleeve 1, and the number of the heat dissipation rib plates can be increased or decreased according to the actual heat dissipation requirement, so as to further improve the heat dissipation effect of the external rotor electric roller by increasing the heat dissipation area.
The utility model discloses in the preferred embodiment of forced air cooling external rotor motorized pulley's fixing base, the inside cloth of main shaft 9 has the through wires hole, and stator coil iron core subassembly 12 is fixed in stator sleeve 1 outer lane, and main shaft 9 one side through wires hole is introduced to its coil accessible through wires pipe 11.
The utility model discloses in the preferred embodiment of forced air cooling external rotor electric drum's fixing base, the cross-section of axial gusset 4 is the streamline shape, and 1 welding of stator sleeve is on both ends bearing frame 3, and 1 inner circle of stator sleeve and 6 axial gussets 4 welds simultaneously, and 6 axial gussets 4 and axle sleeve 7 welds, supports stator sleeve 1 through bearing frame 3 and 6 axial gussets 4.
The utility model discloses the preferred embodiment of air-cooled external rotor motorized pulley's fixing base, the air ducting structure, form the ventiduct outside main shaft 9 between axial radials and the stator sleeve 1, the left side of preferred main shaft 9 is as the air intake, the cooling air current that the fan produced gets into from the passageway 24 of fixing base 28 promptly, through the air intake of main shaft 9 left side bearing frame 3, then flow via the air ducting structure, the off-axial ventiduct that forms between axial radials and the stator sleeve 1, discharge by the air outlet of the right side bearing frame 3 of main shaft 9 again, thereby cool off stator core.
The above-mentioned embodiments are further described in detail for the purpose of the present invention, and it should be understood that although the present invention is described in terms of implementation, the above-mentioned embodiments are exemplary and not intended to limit the scope of the present invention, and any changes, modifications, substitutions and variations of the above-mentioned embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A fixing base (28) of an air-cooled outer rotor electric roller is characterized by comprising: the stator comprises a middle shaft sleeve (27), axial supporting rib plates (23) and a fixed outer ring (25), wherein the middle shaft sleeve (27) is fixedly connected with the axial supporting rib plates (23), the axial supporting rib plates (23) are fixedly connected with the fixed outer ring (25), the middle shaft sleeve (27) is fixedly connected with a stator assembly, the axial supporting rib plates (23) are located between the middle shaft sleeve (27) and the fixed outer ring (25), the fixed outer ring (25) is connected with an end cover assembly, and a plurality of channels (24) are formed among the middle shaft sleeve (27), the axial supporting rib plates (23) and the fixed outer ring (25).
2. The fixing seat of the air-cooled external rotor electric roller according to claim 1, wherein the axial supporting rib plates (23) are uniformly distributed along the circumferential direction of the middle shaft sleeve (27).
3. The air-cooled external rotor motorized pulley holder as set forth in claim 1, wherein the cross-section of the channel (24) is fan-shaped, triangular, rectangular or trapezoidal.
4. The fixing seat of the air-cooled external rotor electric roller according to claim 1, wherein the bottom of the fixing outer ring (25) is provided with a left protruding end and a right protruding end respectively, and the protruding ends are provided with fixing mounting holes (29).
5. The fixing seat of the air-cooled external rotor electric roller of claim 1, wherein the stator assembly comprises a main shaft (9) and a bearing seat (3), the main shaft (9) is fixedly connected with the middle shaft sleeve (27), air inlets and air outlets are distributed in the bearing seat (3), and the number and the cross-sectional shapes of the air inlets and the air outlets are in one-to-one correspondence with the channels (24) on the fixing seat (28).
6. The fixing seat of the air-cooled external rotor electric roller according to claim 5, wherein an air-cooled structure is distributed outside the main shaft (9) in the stator assembly, and the air-cooled structure corresponds to air inlets and air outlets of the inner ring of the bearing seat (3) in a one-to-one manner.
7. The permanent seat of the air-cooled external rotor electric roller according to claim 1, further comprising a hanging hole (26), wherein the hanging hole (26) is arranged on the fixed outer ring (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020455204.5U CN211629990U (en) | 2020-04-01 | 2020-04-01 | Fixing seat of air-cooled outer rotor electric roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020455204.5U CN211629990U (en) | 2020-04-01 | 2020-04-01 | Fixing seat of air-cooled outer rotor electric roller |
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| Publication Number | Publication Date |
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| CN211629990U true CN211629990U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020455204.5U Active CN211629990U (en) | 2020-04-01 | 2020-04-01 | Fixing seat of air-cooled outer rotor electric roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196405A1 (en) * | 2020-04-01 | 2021-10-07 | 江苏嘉轩智能工业科技股份有限公司 | Air cooling structure of outer rotor electric roller |
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2020
- 2020-04-01 CN CN202020455204.5U patent/CN211629990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196405A1 (en) * | 2020-04-01 | 2021-10-07 | 江苏嘉轩智能工业科技股份有限公司 | Air cooling structure of outer rotor electric roller |
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