CN212137431U - Explosion-proof type three-phase asynchronous motor - Google Patents
Explosion-proof type three-phase asynchronous motor Download PDFInfo
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- CN212137431U CN212137431U CN202021065011.5U CN202021065011U CN212137431U CN 212137431 U CN212137431 U CN 212137431U CN 202021065011 U CN202021065011 U CN 202021065011U CN 212137431 U CN212137431 U CN 212137431U
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Abstract
The utility model relates to a flame-proof type three-phase asynchronous motor belongs to motor technical field. The bearing device comprises a front end cover, a rear end cover, a bearing chamber and a base, wherein the bearing chamber is arranged in the front end cover and the rear end cover; a stator and a rotor are arranged in the engine base; the base is also provided with a junction box, a heater junction box and a temperature measuring junction box, and the bottom of the base is provided with an explosion-proof drain valve and a grounding signboard; the rear end of the shaft is provided with a fan, and the outer side of the fan is provided with a fan cover. The terminal box sets up six binding post and is used for connecting the power, and the motor is provided with two auxiliary junction boxes, and the heating band sets up in solitary auxiliary junction box to prevent the formation of motor in humid hot environment comdenstion water, the motor bottom sets up two drain valves for the discharge of liquid water, ground connection safety when setting up external ground connection in order to ensure the circular telegram. The utility model has the advantages of high efficiency, safety, reliability, beautiful appearance, simple structure, etc.
Description
Technical Field
The utility model relates to a flame-proof type three-phase asynchronous motor, concretely relates to YBX4-80-355 series super high efficiency flame-proof type three-phase asynchronous motor belongs to motor technical field.
Background
The high-efficiency explosion-proof motor is the international development trend at present from the aspects of energy saving and environment protection in the units of chemical industry, petroleum, coal mine and the like, so that the research and development of an ultrahigh-efficiency explosion-proof three-phase asynchronous motor for replacing a high-energy-consumption motor are imperative to achieve the purposes of energy saving and high efficiency.
Disclosure of Invention
The utility model aims at replacing the high power consumption product in market, provide a flame-proof type three-phase asynchronous motor, have energy-efficient, temperature rise margin is big, longe-lived, the good noise of performance is low, the flame proof structure is advanced, the reliability is high, use and maintain convenient, the appearance is advantage such as more pleasing to the eye.
The technical scheme of the utility model, a flame-proof type three-phase asynchronous motor, including axial plane oil blanket, first oil retainer, first bearing enclosing cover, first bearing inner cup, front end housing, terminal box, stator, rotor, frame, fan housing, rear end housing, second bearing enclosing cover, second bearing, second oil retainer, fan, second bearing inner cup, axle, heater terminal box, temperature measurement terminal box, explosion-proof drain valve and ground connection denoter;
a bearing chamber is arranged in the front end cover, a first bearing is arranged in the bearing chamber, a first bearing outer cover is arranged on the outer side of the first bearing, and a first bearing inner cover is arranged on the inner side of the first bearing; the first bearing outer cover is provided with a shaft surface oil seal and a first oil retainer; the front end cover is connected with the engine base, and the engine base is connected with the rear end cover; a bearing chamber is arranged in the rear end cover, the second bearing is arranged in the bearing chamber, a second bearing outer cover is arranged on the outer side of the second bearing, and a second bearing inner cover is arranged on the inner side of the second bearing; a second oil retaining ring is arranged on the outer cover of the second bearing;
the shaft is connected with the first bearing and the second bearing in a matching way; a stator and a rotor are arranged in the engine base; the base is also provided with a junction box, a heater junction box and a temperature measuring junction box, and the bottom of the base is provided with an explosion-proof drain valve and a grounding signboard;
the rear end of the shaft is provided with a fan, and the outer side of the fan is provided with a fan cover.
Furthermore, the joints of the front end cover and the engine base and the joints of the rear end cover and the engine base are both seam allowance explosion-proof surfaces; the junction of the first bearing inner cover and the front end cover and the junction of the second bearing inner cover and the rear end cover adopt a plane explosion-proof surface; the first bearing inner cover and the second bearing inner cover are connected with a shaft by adopting explosion-proof joint surfaces; the junction of the heater auxiliary junction box and the base adopts a plane explosion-proof surface, and the junction of the stator winding temperature measurement and bearing temperature measurement auxiliary junction box and the base adopts a plane explosion-proof surface.
Furthermore, the fan housing is a stepped fan housing, so that the heat dissipation efficiency is improved, and the loss of the motor is reduced. The minimum clearance between the fan and the fan cover and between the fan and the outer cover of the second bearing are all 5 mm.
The bearing is arranged in the bearing chamber, the stator part plays a role of excitation, the rotor plays a role of output power, the fan cover plays a role of wind guide, the fan plays a role of cooling the motor, the auxiliary junction box is provided with a heating tape wiring terminal to prevent the generation of condensed water in the motor, and the auxiliary junction box provides a stator temperature measurement PT100 terminal and a bearing temperature measurement terminal PT100 for monitoring the temperature of a motor winding and the temperature of the bearing in an electric system connected with a client. And 6 wiring terminals are arranged in the junction box, and a power line is connected to the wiring terminals to supply a three-phase power supply and provide electric energy for the motor.
The junction box specifically comprises a junction box, a pressing plate, a junction box base, a sealing ring, a metal washer, a junction box cover, a junction bolt, a junction plate and a connecting sheet;
the wiring hopper is provided with a pressing plate, the wiring hopper is connected with the wiring box base through a metal gasket, and the wiring box cover is connected with the wiring box base through a sealing ring; the wiring hopper is provided with wiring bolts, and connecting sheets are arranged between the wiring bolts.
Furthermore, a junction of the junction box base and the junction box cover adopts a seam allowance explosion-proof surface, and a junction of the junction bolt and the junction plate is a seam allowance explosion-proof joint surface. The wiring hopper compresses tightly metal washer, sealing washer with the bolt, makes the sealing washer form the extrusion to the cable conductor that penetrates the terminal box and explosion-proof, and the clamp plate is fixed and not the slippage to the cable that penetrates the terminal box once more. The ground connection signboard is fixed to the inboard of wiring fill, sets up explosion-proof signboard in the terminal box lid outside. The connecting piece plays a role of Y connection or delta connection.
The utility model has the advantages that: the utility model discloses the motor is by main pivot stator, the rotor is constituteed, front and back end cover plays the fixed action, front and back bearing unification one model, play supplementary rotation effect, the inside and outside lid plays bearing axial positioning fixed action around, the fan housing plays cooling wind-guiding effect, main terminal box sets up six binding post and is used for connecting, the motor is provided with two supplementary terminal boxes, interior stator temperature measurement PT100 that can connect, bearing temperature measurement PT100 is used as the carrier of teletransmission signal, the heating tape sets up in solitary supplementary terminal box, in the formation of preventing the motor at damp and hot environment comdenstion water, the motor bottom sets up two drain valves, discharge for liquid water, ground connection safety when setting up external ground connection in order to guarantee circular telegram.
The utility model has the advantages of high efficiency, energy saving, large temperature rise margin, long service life, good performance, low noise, advanced flame-proof structure, high reliability, convenient use and maintenance, more beautiful appearance, etc.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a side view of the structure of the present invention.
Fig. 3 is a front view of the junction box structure.
FIG. 4 is a cross-sectional view of the junction box structure A-A.
Description of reference numerals: 1. shaft surface oil seal; 2. a first oil slinger; 3. a first bearing outer cover; 4. a first bearing; 5. a first bearing inner cover; 6. a front end cover; 7. a junction box; 71. a wiring hopper; 72. pressing a plate; 73. a terminal box base; 74. a seal ring; 75. a metal washer; 76. a junction box cover; 77. a wiring bolt; 78. a wiring board; 79. connecting sheets; 8. a stator; 9. a rotor; 10. a machine base; 11. a fan housing; 12. a rear end cap; 13. a second bearing outer cap; 14. a second bearing; 15. a second oil retainer; 16. a fan; 17. a second bearing inner cap; 18. a shaft; 19. a heater junction box; 20. a temperature measuring junction box; 21. an explosion-proof drain valve; 22. and a grounding signboard.
Detailed Description
As shown in fig. 1-2, an explosion-proof three-phase asynchronous motor comprises a shaft surface oil seal 1, a first oil retainer 2, a first bearing outer cover 3, a first bearing 4, a first bearing inner cover 5, a front end cover 6, a junction box 7, a stator 8, a rotor 9, a machine base 10, a fan cover 11, a rear end cover 12, a second bearing outer cover 13, a second bearing 14, a second oil retainer 15, a fan 16, a second bearing inner cover 17, a shaft 18, a heater junction box 19, a temperature measurement junction box 20, an explosion-proof drain valve 21 and a grounding signboard 22;
a bearing chamber is arranged in the front end cover 6, the first bearing 4 is arranged in the bearing chamber, a first bearing outer cover 3 is arranged on the outer side of the first bearing 4, and a first bearing inner cover 5 is arranged on the inner side; the first bearing outer cover 3 is provided with a shaft surface oil seal 1 and a first oil retainer 2; the front end cover 6 is connected with the engine base 10, and the engine base 10 is connected with the rear end cover 12; a bearing chamber is arranged in the rear end cover 12, the second bearing 14 is arranged in the bearing chamber, a second bearing outer cover 13 is arranged on the outer side of the second bearing 14, and a second bearing inner cover 17 is arranged on the inner side; a second oil retaining ring 15 is arranged on the second bearing outer cover 13;
the shaft 18 is matched and connected with the first bearing 4 and the second bearing 14; a stator 8 and a rotor 9 are arranged in the engine base 10; the base 10 is also provided with a junction box 7, a heater junction box 19 and a temperature measuring junction box 20, and the bottom of the base 10 is provided with an anti-explosion drain valve 21 and a grounding signboard 22;
the rear end of the shaft 18 is provided with a fan 16, and the outer side of the fan 16 is provided with a fan cover 11.
The joints of the front end cover 6 and the engine base 10 and the joints of the rear end cover 12 and the engine base 10 are both seam allowance explosion-proof surfaces; the joints of the first bearing inner cover 5 and the front end cover 6 and the joints of the second bearing inner cover 17 and the rear end cover 12 adopt plane explosion-proof surfaces; the joints of the first bearing inner cover 5, the second bearing inner cover 17 and the shaft 18 adopt explosion-proof joint surfaces; the junction of the heater auxiliary junction box 19 and the base 10 adopts a plane explosion-proof surface, and the junction of the stator winding temperature measurement and bearing temperature measurement auxiliary junction box 20 and the base 10 adopts a plane explosion-proof surface.
The fan housing 11 is a stepped fan housing, so that the heat dissipation efficiency is improved, and the loss of the motor is reduced. The minimum clearance between the fan 16 and the fan cover 11, and between the fan 16 and the second bearing outer cover 13 are both 5 mm.
Bearing 4 dress is in the bearing chamber, and stator 8 plays the excitation effect, and rotor 9 is the output effect, and fan housing 11 plays the wind-guiding effect, and fan 16 plays cooling motor effect, and supplementary terminal box installation heating tape binding post to prevent the production of the inside comdenstion water of motor, supplementary terminal box provides stator temperature measurement PT100 terminal and bearing temperature measurement terminal PT100, in the electric system for connecting the customer, to the control of motor winding temperature and bearing temperature. And 6 wiring terminals are arranged in the junction box 7, and a power line is connected to the wiring terminals to supply a three-phase power supply to provide electric energy for the motor.
As shown in fig. 3 to 4, the junction box 7 specifically includes a junction box 71, a pressure plate 72, a junction box base 73, a seal ring 74, a metal washer 75, a junction box cover 76, a junction bolt 77, a junction plate 78, and a connecting piece 79;
a pressing plate 72 is arranged on the wiring hopper 71, the wiring hopper 71 is connected with a wiring box base 73 through a metal gasket 75, and a wiring box cover 76 is connected with the wiring box base 73 through a sealing ring 74; the wiring hopper 71 is provided with wiring bolts 77, and connecting sheets 79 are arranged between the wiring bolts 77.
The junction of the junction box base 73 and the junction box cover 76 adopts a seam allowance explosion-proof surface, and the junction of the junction bolt 77 and the junction plate 78 adopts a seam allowance explosion-proof joint surface.
The wire connecting bucket 71 presses the metal washer 75 and the sealing ring 74 by bolts, so that the sealing ring 74 presses the cable penetrating into the junction box 3 to prevent explosion, and the pressing plate 72 fixes the cable penetrating into the junction box again without slipping. The inside of the wiring hopper 71 is fixed with a grounding signboard, and the outside of the wiring box cover 76 is provided with an explosion-proof signboard. The connecting piece 79 functions as a Y-connection or a delta-connection.
The junction box of the utility model conforms to GB3836.1-2010 explosive environment part 1: general requirements for equipment, GB3836.2-2010 section 2 of explosive environment: equipment protected by a flameproof enclosure "d", GB3836.3-2010 "part 3 of the explosive environment: the requirements of Exd I Mb, Exd II AT4 Gb and Exd II BT4 Gb can be met for the explosion-proof type by the stipulation of safety-increasing type 'e' protective equipment, and the safety and energy-saving guarantee is provided for units such as chemical engineering, petroleum, coal mines and the like.
Claims (5)
1. An explosion-proof type three-phase asynchronous motor is characterized in that: the device comprises an axial surface oil seal (1), a first oil retainer (2), a first bearing outer cover (3), a first bearing (4), a first bearing inner cover (5), a front end cover (6), a junction box (7), a stator (8), a rotor (9), a machine base (10), a fan cover (11), a rear end cover (12), a second bearing outer cover (13), a second bearing (14), a second oil retainer (15), a fan (16), a second bearing inner cover (17), a shaft (18), a heater junction box (19), a temperature measurement junction box (20), an explosion-proof drain valve (21) and a grounding signboard (22);
a bearing chamber is arranged in the front end cover (6), the first bearing (4) is arranged in the bearing chamber, a first bearing outer cover (3) is arranged on the outer side of the first bearing (4), and a first bearing inner cover (5) is arranged on the inner side of the first bearing; the first bearing outer cover (3) is provided with a shaft surface oil seal (1) and a first oil retainer ring (2); the front end cover (6) is connected with the engine base (10), and the engine base (10) is connected with the rear end cover (12); a bearing chamber is arranged in the rear end cover (12), a second bearing (14) is arranged in the bearing chamber, a second bearing outer cover (13) is arranged on the outer side of the second bearing (14), and a second bearing inner cover (17) is arranged on the inner side of the second bearing; a second oil deflector ring (15) is arranged on the second bearing outer cover (13);
the shaft (18) is connected with the first bearing (4) and the second bearing (14) in a matching way; a stator (8) and a rotor (9) are arranged in the machine base (10); the machine base (10) is also provided with a junction box (7), a heater junction box (19) and a temperature measuring junction box (20), and the bottom of the machine base (10) is provided with an explosion-proof drain valve (21) and a grounding signboard (22);
the rear end of the shaft (18) is provided with a fan (16), and the outer side of the fan (16) is provided with a fan cover (11).
2. The explosion-proof type three-phase asynchronous motor of claim 1, which is characterized in that: the joints of the front end cover (6) and the engine base (10) and the joints of the rear end cover (12) and the engine base (10) are both seam allowance explosion-proof surfaces; the joints of the first bearing inner cover (5) and the front end cover (6) and the joints of the second bearing inner cover (17) and the rear end cover (12) adopt plane explosion-proof surfaces; the joints of the first bearing inner cover (5), the second bearing inner cover (17) and the shaft (18) adopt explosion-proof joint surfaces; the junction of the heater auxiliary junction box (19) and the base (10) adopts a plane explosion-proof surface, and the junction of the stator winding temperature measurement and bearing temperature measurement auxiliary junction box (20) and the base (10) adopts a plane explosion-proof surface.
3. The explosion-proof type three-phase asynchronous motor of claim 1, which is characterized in that: the fan cover (11) is a stepped fan cover, and the minimum gaps between the fan (16) and the fan cover (11) and between the fan (16) and the outer cover (13) of the second bearing are all 5 mm.
4. The explosion-proof type three-phase asynchronous motor of claim 1, which is characterized in that: the junction box (7) specifically comprises a junction box (71), a pressure plate (72), a junction box base (73), a sealing ring (74), a metal washer (75), a junction box cover (76), a junction bolt (77), a junction plate (78) and a connecting sheet (79);
a pressing plate (72) is arranged on the wiring hopper (71), the wiring hopper (71) is connected with a wiring box base (73) through a metal gasket (75), and a wiring box cover (76) is connected with the wiring box base (73) through a sealing ring (74); the wiring hopper (71) is provided with wiring bolts (77), and connecting sheets (79) are arranged between the wiring bolts (77).
5. The explosion-proof type three-phase asynchronous motor of claim 4, which is characterized in that: the junction of the junction box base (73) and the junction box cover (76) adopts a seam allowance explosion-proof surface, and the junction of the junction bolt (77) and the junction plate (78) adopts a seam allowance explosion-proof joint surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065011.5U CN212137431U (en) | 2020-06-10 | 2020-06-10 | Explosion-proof type three-phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065011.5U CN212137431U (en) | 2020-06-10 | 2020-06-10 | Explosion-proof type three-phase asynchronous motor |
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| Publication Number | Publication Date |
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| CN212137431U true CN212137431U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021065011.5U Active CN212137431U (en) | 2020-06-10 | 2020-06-10 | Explosion-proof type three-phase asynchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595307A (en) * | 2021-07-22 | 2021-11-02 | 武汉市深蓝动力科技有限公司 | Vehicle control unit and explosion-proof device thereof |
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2020
- 2020-06-10 CN CN202021065011.5U patent/CN212137431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595307A (en) * | 2021-07-22 | 2021-11-02 | 武汉市深蓝动力科技有限公司 | Vehicle control unit and explosion-proof device thereof |
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