CN216929778U - Direct-connected agitator motor - Google Patents
Direct-connected agitator motor Download PDFInfo
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- CN216929778U CN216929778U CN202121936476.8U CN202121936476U CN216929778U CN 216929778 U CN216929778 U CN 216929778U CN 202121936476 U CN202121936476 U CN 202121936476U CN 216929778 U CN216929778 U CN 216929778U
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Abstract
The utility model discloses a direct-connected stirrer motor, which comprises a motor shaft and a motor cover, wherein the motor shaft comprises a bearing mounting section I, a rotor core mounting section, a bearing mounting section II, an oil seal section and a gear mounting section which are integrated and coaxially arranged in sequence, a wear-resistant shaft sleeve and a stop oil thrower are sleeved on the oil seal section, a round nut is in threaded connection with the oil seal section, the wear-resistant shaft sleeve is arranged at one end close to the bearing mounting section II, the round nut is in threaded connection with one end, far away from the bearing mounting section II, of the oil seal section, the stop oil thrower is positioned between the wear-resistant shaft sleeve and the round nut, and a framework oil seal is arranged on the wear-resistant shaft sleeve. Utilize the motor shaft of wearing and tearing, through carrying out lathe work to wearing and tearing position, adopt wear-resisting axle sleeve to replace, increase the locking disc of throwing on the motor shaft simultaneously, block axial oil stream and the partial lubricating oil that splashes, when axle sleeve, skeleton oil blanket wearing and tearing, can solve through the mode of regularly changing wear-resisting axle sleeve, oil blanket.
Description
Technical Field
The utility model belongs to the technical field of stirrer motor equipment, and particularly relates to a direct-connected stirrer motor.
Background
The side-feeding stirrer is used as one of the main devices of the tank, and is mainly used for stirring and disturbing slurry in the tank to achieve the purposes of preventing slurry from depositing and improving the density uniformity of the slurry. The stirrer adopting the direct connection type structure of the motor and the speed reducer has the advantages of small torque and speed ratio transmission deviation.
However, the front bearing end cover of the motor has the following defects that the front bearing end cover of the motor adopts a framework oil seal structure, the framework oil seal can abrade the motor shaft during operation to form abraded groove marks, oil in the speed reducer can permeate into the motor through the abraded groove marks of the shaft, the insulation of a stator coil of the motor is reduced, and the insulation damage can be caused to cause motor burning loss in severe cases. Most stirrer motors adopt imported motors, and the unit price of the motors is higher.
The automobile pump motor with reference to the publication No. CN2692909Y comprises a motor and a vacuum pump fixed on a rear end cover of the motor, wherein the vacuum pump consists of a pump seat, a pump body, a pump rotor fixed on a motor shaft, a scraping blade and a framework oil seal, and the framework oil seal is arranged on a through hole of a bearing position of the rear end cover of the motor and is arranged side by side with the bearing.
However, the motor shaft contacts with the framework oil seal, after the motor rotates, the oil seal lip wears the shaft to generate a concave groove mark, the sealing performance is reduced, and lubricating oil in the speed reducer enters the motor along the axial direction of the motor to pollute and corrode a motor coil. After a vibrating motor shaft is abraded, only the oil seal and the motor rotor which is seriously abraded can be replaced, and the replacement cost of the motor rotor (imported product) is higher. Leakage can occur again in a short time after the oil seal is replaced due to the abrasion of the motor shaft.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direct-connected agitator motor, which is used for solving the technical problems that a motor shaft is in contact with a framework oil seal, after the motor rotates, an oil seal lip wears a shaft to generate a concave groove mark, the sealing performance is reduced, and lubricating oil in a speed reducer enters the motor along the axial direction of the motor to pollute and corrode a motor coil.
In order to achieve the purpose, the utility model adopts the following technical scheme: a direct-connected agitator motor comprises a motor shaft and a motor cover, wherein the motor shaft comprises a bearing mounting section I, a rotor iron core mounting section, a bearing mounting section II, an oil seal section and a gear mounting section which are coaxially and sequentially integrated, the oil seal section is sleeved with a wear-resistant shaft sleeve and a stop oil thrower and is in threaded connection with a round nut, the wear-resistant shaft sleeve is arranged at one end close to the bearing mounting section II, the round nut is in threaded connection with one end of the oil seal section far away from the bearing mounting section II, the stop oil thrower is positioned between the wear-resistant shaft sleeve and the round nut, the wear-resistant shaft sleeve is provided with a framework oil seal, a shaft diameter transition section is arranged between the oil seal section and the gear installation section, the outer diameter of the shaft diameter transition section is smaller than that of the oil seal section and larger than that of the gear installation section, and a positioning ring is fixedly arranged on the round nut, and the inner ring of the positioning ring is attached to the shaft diameter transition section.
Through adopting above-mentioned technical scheme, utilize the motor shaft of wearing and tearing, through carrying out lathe work to wearing and tearing position, adopt wear-resisting axle sleeve to replace, increase the locking disc of throwing on the motor shaft simultaneously, block axial oil stream and the partial lubricating oil that splashes, when the axle sleeve, the skeleton oil blanket is worn and torn, can be through the wear-resisting axle sleeve of periodic replacement, the mode of oil blanket is solved, still have the shaft diameter changeover portion between oil blanket section and the gear installation section, the external diameter of shaft diameter changeover portion is less than the external diameter of oil blanket section and is greater than the external diameter of gear installation section, make to have suitable interval between gear and the motor cover, the holding ring has on the round nut, can make the round nut accurately install on the oil blanket section in the installation, the holding ring is fixed a position the round nut through the laminating on the shaft diameter changeover portion, not only labour saving and time saving still avoids installation wearing and tearing.
Preferably, the positioning ring has a clearance with the end of the oil seal segment.
Through adopting above-mentioned technical scheme, guarantee that the holding ring does not influence locking.
Preferably, the wear-resistant shaft sleeve is of a shaft sleeve structure made of a wear-resistant alloy material.
Through adopting above-mentioned technical scheme, can choose the axle sleeve of wear-resisting alloy material for use.
Preferably, the wear-resistant shaft sleeve is of a shaft sleeve structure made of silicon carbide.
By adopting the technical scheme, the shaft sleeve made of silicon carbide can be selected.
Preferably, the thickness of the wear-resistant shaft sleeve is 4-5 mm.
Through adopting above-mentioned technical scheme, avoid the turning too big motor shaft intensity reduction that arouses.
Preferably, two framework oil seals are arranged on the wear-resistant shaft sleeve side by side.
Through adopting above-mentioned technical scheme, further increased with the area of contact of motor and reached the increase leakproofness purpose.
Preferably, the motor cover comprises a front end cover, a bearing chamber and an oil seal chamber are arranged on the front end cover, the width of the oil seal chamber corresponds to the width of the two framework oil seals, and the stop oil thrower is located on the outer side of the front end cover.
Through adopting above-mentioned technical scheme to process and install the oil blanket room of external processing to the motor end cover, make the indoor width of oil blanket can be increased to two skeleton oil blanket by single skeleton oil blanket.
Preferably, the stopper oil thrower is a steel plate.
Through adopting above-mentioned technical scheme, intensity is high, hinders oily effectual.
Preferably, a shaft diameter transition section is further arranged between the oil seal section and the gear installation section, and the outer diameter of the shaft diameter transition section is smaller than that of the oil seal section and larger than that of the gear installation section.
Through adopting above-mentioned technical scheme for have suitable interval between gear and the motor cover.
Preferably, the outer end of the first bearing mounting section is also provided with a motor fan mounting section.
Through adopting above-mentioned technical scheme, can dispel the heat to the motor.
Preferably, both sides of the rotor core mounting section have shoulders.
By adopting the technical scheme, the positioning function is achieved.
The utility model has the beneficial effects that: utilize the motor shaft of wearing and tearing, through carrying out lathe work to wearing and tearing position, adopt wear-resisting axle sleeve to replace, increase the locking disc of throwing on the motor shaft simultaneously, block axial oil stream and the partial lubricating oil that splashes, when axle sleeve, skeleton oil blanket wearing and tearing, can solve through the mode of regularly changing wear-resisting axle sleeve, oil blanket. And the motor end cover is processed and an oil seal chamber externally processed is installed, so that the width of the inside of the oil seal chamber can be increased to two framework oil seals by a single framework oil seal.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a motor shaft configuration according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a front end cap according to an embodiment of the present invention.
Reference numerals: 1. a bearing mounting section I; 2. a rotor core mounting section; 3. a second bearing mounting section; 4. an oil seal section; 5. a gear mounting section; 6. a wear-resistant shaft sleeve; 7. an oil thrower disc is stopped; 8. a round nut; 9. framework oil seal; 10. a front end cover; 11. a bearing chamber; 12. an oil seal chamber; 13. a shaft diameter transition section; 14. a motor fan mounting section.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Referring to fig. 1, a direct-connected agitator motor comprises a motor shaft and a motor cover, wherein the motor shaft comprises a bearing mounting section I1, a rotor core mounting section 2, a bearing mounting section II 3, an oil seal section 4 and a gear mounting section 5 which are integrated and coaxial in sequence, a wear-resistant shaft sleeve 6 and a stop oil thrower 7 are sleeved on the oil seal section 4, the wear-resistant shaft sleeve 6 is in threaded connection with a round nut 8, the wear-resistant shaft sleeve 6 is arranged at one end close to the bearing mounting section II 3, the round nut 8 is in threaded connection with one end of the oil seal section 4 far away from the bearing mounting section II 3, the stop oil thrower 7 is positioned between the wear-resistant shaft sleeve 6 and the round nut 8, a skeleton oil seal 9 is arranged on the wear-resistant shaft sleeve 6, a shaft diameter transition section 13 is also arranged between the oil seal section 4 and the gear mounting section 5, the outer diameter of the shaft diameter transition section 13 is smaller than that of the oil seal section 4 and larger than that of the gear mounting section 5, a positioning ring 81 is fixedly arranged on the round nut 8, the inner ring of the positioning ring 81 is attached to the shaft diameter transition section 13.
Utilize the motor shaft of wearing and tearing, through carrying out lathe work to wearing and tearing position, adopt wear-resisting axle sleeve 6 to replace, increase the locking disc of throwing simultaneously on the motor shaft, block axial oil stream and the partial lubricating oil that splashes, when axle sleeve, skeleton oil blanket 9 wearing and tearing, can solve through the mode of regularly changing wear-resisting axle sleeve 6, oil blanket.
The positioning ring 81 has a clearance with the end of the oil seal segment 4, i.e. the width of the round nut 8 is long enough to ensure that the positioning ring 81 does not affect the locking.
On the one hand, wear-resisting axle sleeve 6 is the axle sleeve structure that wear-resisting alloy material made, can choose for use wear-resisting alloy material's axle sleeve. On the other hand, the wear-resistant shaft sleeve 6 is of a shaft sleeve structure made of silicon carbide, and the shaft sleeve made of silicon carbide can be selected. The thickness of the wear-resistant shaft sleeve 6 is 4-5mm, so that the strength reduction of a motor shaft caused by excessive turning is avoided.
With reference to fig. 1 and 2, two framework oil seals 9 are arranged on the wear-resistant shaft sleeve 6 side by side, so that the contact area between the wear-resistant shaft sleeve and the motor is further increased, and the purpose of increasing the sealing performance is achieved.
The motor cover comprises a front end cover 10, a bearing chamber 11 and an oil seal chamber 12 are arranged on the front end cover 10, the width of the oil seal chamber 12 corresponds to the width of two framework oil seals 9, and the stop oil thrower 7 is located on the outer side of the front end cover 10. And the motor end cover is processed and the externally processed oil seal chamber 12 is installed, so that the internal width of the oil seal chamber 12 can be increased to the double framework oil seals 9 from a single framework oil seal 9.
The stopping oil thrower disc 7 is made of steel plates, and is high in strength and good in oil resistance effect. The outer end of the bearing mounting section I1 is also provided with a motor fan mounting section 14 which can radiate heat of the motor. And shaft shoulders are arranged on two sides of the rotor core mounting section 2 to play a role in positioning.
The using method comprises the following steps of firstly, turning an oil seal section 4 of a motor shaft and turning tapping threads at one end far away from a bearing mounting section II 3; step two, reaming a front end cover 10 to form an oil seal chamber 12 for accommodating two framework oil seals 9; and step three, installing two framework oil seals 9 between the motor shaft in the step one and the front end cover 10 in the step two, then sleeving the stopping oil thrower 7, and fastening the stopping oil thrower 7 and the wear-resistant shaft sleeve 6 through the round nut 8.
The utility model has the beneficial effects that the worn motor shaft is utilized, the worn part is turned, the wear-resistant shaft sleeve 6 is adopted for replacement, meanwhile, the stop oil thrower is added on the motor shaft to block axial oil flow and splashed partial lubricating oil, and when the shaft sleeve and the framework oil seal 9 are worn, the problem can be solved by periodically replacing the wear-resistant shaft sleeve 6 and the oil seal. And the motor end cover is processed and the externally processed oil seal chamber 12 is installed, so that the internal width of the oil seal chamber 12 can be increased to the double framework oil seals 9 from a single framework oil seal 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be considered by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention.
Claims (10)
1. A direct-coupled agitator motor which characterized in that: including motor shaft, motor cover, the motor shaft includes bearing installation section one (1), rotor core installation section (2), bearing installation section two (3), oil blanket section (4), gear installation section (5) in proper order on integrative coaxial, the cover has wear-resisting axle sleeve (6) and locking disc (7) and threaded connection to have round nut (8) on oil blanket section (4), wear-resisting axle sleeve (6) set up in the one end that is close to bearing installation section two (3), and round nut (8) threaded connection keeps away from the one end of bearing installation section two (3) in oil blanket section (4), locking disc (7) are located between wear-resisting axle sleeve (6) and round nut (8), arrange skeleton oil blanket (9) on wear-resisting axle sleeve (6), shaft footpath changeover portion (13) still have between oil blanket section (4) and gear installation section (5), and the external diameter of shaft footpath changeover portion (13) is less than the external diameter of oil blanket section (4) and is greater than the external diameter of gear installation section (5) And a positioning ring (81) is fixedly arranged on the round nut (8), and the inner ring of the positioning ring (81) is attached to the shaft diameter transition section (13).
2. A direct connection agitator motor as claimed in claim 1, wherein: and a gap is reserved between the positioning ring (81) and the end part of the oil seal section (4).
3. A direct connection agitator motor as claimed in claim 1, wherein: the wear-resistant shaft sleeve (6) is of a shaft sleeve structure made of wear-resistant alloy materials.
4. A direct connection agitator motor as claimed in claim 1, wherein: the wear-resistant shaft sleeve (6) is of a shaft sleeve structure made of silicon carbide.
5. A direct connection agitator motor as claimed in claim 1, wherein: the thickness of the wear-resistant shaft sleeve (6) is 4-5 mm.
6. A direct connection agitator motor as claimed in claim 1, wherein: two framework oil seals (9) are arranged on the wear-resistant shaft sleeve (6) side by side.
7. A direct connect agitator motor as claimed in claim 5, wherein: the motor cover comprises a front end cover (10), a bearing chamber (11) and an oil seal chamber (12) are arranged on the front end cover (10), the width of the oil seal chamber (12) corresponds to the width of two framework oil seals (9), and a stopping oil thrower (7) is located on the outer side of the front end cover (10).
8. A direct connection agitator motor as claimed in claim 1, wherein: the stopping oil thrower (7) is made of a steel plate.
9. A direct connection agitator motor as claimed in claim 1, wherein: the outer end of the bearing mounting section I (1) is also provided with a motor fan mounting section (14).
10. A direct connection agitator motor as claimed in claim 1, wherein: and shaft shoulders are arranged on two sides of the rotor core mounting section (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936476.8U CN216929778U (en) | 2021-08-18 | 2021-08-18 | Direct-connected agitator motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936476.8U CN216929778U (en) | 2021-08-18 | 2021-08-18 | Direct-connected agitator motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216929778U true CN216929778U (en) | 2022-07-08 |
Family
ID=82224024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121936476.8U Active CN216929778U (en) | 2021-08-18 | 2021-08-18 | Direct-connected agitator motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216929778U (en) |
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2021
- 2021-08-18 CN CN202121936476.8U patent/CN216929778U/en active Active
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