CN2829208Y

CN2829208Y - DC series motor for agricultural machinery

Info

Publication number: CN2829208Y
Application number: CN 200520023167
Authority: CN
Inventors: 吴元章
Original assignee: LESHAN MUTIAN ELECTRIC APPLIANCE CO Ltd
Current assignee: LESHAN MUTIAN ELECTRIC APPLIANCE CO Ltd
Priority date: 2005-08-10
Filing date: 2005-08-10
Publication date: 2006-10-18
Anticipated expiration: 2015-08-10

Abstract

The utility model discloses an AC series excitation motor for agricultural machines, which comprises a machine seat, a rotor, a stator, a front end cover and a rear end cover. The utility model is characterized in that the rotor and the stator are in an AC series excitation type; an inner hole of the machine seat is an eccentric hole; the front end cover is provided with an eccentric gear hole and an eccentric bearing hole; the rear end cover is provided with an eccentric bearing hole; an output shaft is meshed with a gear on the rotor through a gear on the front end cover; an electric brush subassembly contacts a commutator on the rotor through an installation hole on the machine seat. The utility model has the advantages of few fittings, simple structure and low cost. The utility model can be matched with the existing agricultural machines and can normally start and work under the conditions of low voltage and voltage fluctuation.

Description

The agricultural machinery A.C. series motor

Technical field

The utility model relates to a kind of motor that is used for agricultural machinery power, particularly about being fit to pulverizer, the supporting agricultural machinery A.C. series motor of rice mill.

Background technology

At present, in known farm machinery pulverizer, rice mill, its necessary electromotor is YL type double value capacitor asynchronous motor.Though this motor is used for a long time, but still exist not enough: 1, complex structure, start capapcitor, working capacitor and centrifugal switch are arranged, these accessories are fragile, cause electrical fault or damage; 2, under the present ubiquitous low-voltage in rural area (rated voltage should be 220V, and the actual conditions major part is lower than 180V), can not normal starting and work, easily cause motor overheating or damage again if use by force; 3, manufacturing cost height, accessory is many, is not easy to safeguard.

The utility model content

Technical problem to be solved in the utility model is that a kind of accessory of proposition is few, simple in structure, and cost is low, and energy and existing agricultural machinery are supporting, and under low-voltage and voltage fluctuation situation, the agricultural machinery A.C. series motor of energy normal starting and work.

Motor provided by the utility model comprises support, rotor, stator, front end housing, rear end cap, and described rotor, stator are for exchanging series excitation type, and work is made as 8 continuous throughout the twenty-four hour24 systems, and adaptability was stronger when effect was low-voltage and voltage fluctuation; The support endoporus is an eccentric orfice, can change on 360 ° of radius of gyration as requested, and more convenient installation more can adapt to user's request; Front end housing is provided with eccentric gear hole and dead eye, and rear end cap is provided with eccentric dead eye, and output shaft is by gear on the front end housing and epitrochanterian gears engaged, and brush assembly of electric contacts with epitrochanterian commutator by the installing hole on the support.

Described rotor adopts phase-wound rotor.

Also be provided with radiator fan on the described rotor, this fan is realized the inner-cooled heat radiation by the exhaust vent on the fresh air inlet on the front end housing or support front bottom end fresh air inlet, the rear end cap.

Described output shaft rotating speed is 2600-3000 rev/min or 1300-1500 rev/min.

The utility model has following advantage: 1) structurally reduces capacitor, centrifugal switch, fan housing, external fan, wiring and closed a plurality of accessories, thereby, eliminated because of accessory damages and caused electrical fault; 2) type of cooling changes inner-cooled into by external-cooling type, and radiating efficiency improves, and temperature rise reduces, and under low-voltage and the voltage fluctuation situation, motor performance greatly improves, and failure rate descends, and silicon steel plate and copper consumption that rotor is used also descend; 3) owing to adopted the design of eccentric structure, fully can with the supporting use of existing agricultural machinery.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of the utility model support;

Fig. 3 is the cutaway view of Fig. 2 right view;

Fig. 4 is the utility model front end housing schematic diagram;

Fig. 5 is the A-A section left view of Fig. 4;

Fig. 6 is the utility model rear end cap schematic diagram;

Fig. 7 is the B-B section left view of Fig. 6;

Fig. 8 is the utility model output shaft schematic diagram;

Fig. 9 is the cutaway view of Fig. 8 cross section.

Among the figure: 1 stator, 2 rotors, 3 supports, 4 rear end caps, 5 rear bearings, 6 front end housings, 7 fore bearings, 8 output shafts, 9 reduction gearing, 10 brushes, 11 commutators, 12 radiator fans, 13 installing holes, 14 fresh air inlets, 15 gear holes, 16 dead eyes, 17 exhaust vents.

Embodiment

Below in conjunction with description of drawings embodiment of the present utility model.

As shown in Figure 1, the utility model is made up of rotor 2, stator 1, front end housing 6, rear end cap 4, brush 10 assemblies, commutator 11, radiator fan 12,

bearing

5,7, reduction gearing 9, the output shaft 8 of support 3, interchange series excitation type.On complete machine structure, adopt eccentric structure, to shown in Figure 7, promptly support 3 endoporus are eccentric orfice as Fig. 1, and front end housing 6 is provided with eccentric gear hole 15 and fore bearing hole 16, rear end cap 5 is provided with eccentric dead eye, and rotor drives farm machinery by the output shaft on the reduction gearing 98.On rotor 2 loop constructions, adopt rich line formula rotor.Adopt the inner-cooled radiator structure on cooling structure, promptly also be provided with radiator fan 12 on the rotor 2, this fan is realized the inner-cooled heat radiation by the fresh air inlet 14 on the front end housing 6, the exhaust vent on the rear end cap 4 17.

When the utility model was implemented, design speed was series excited motor stator 1, the rotor 2 of 14000 rev/mins or 7000 rev/mins, and stator is packed in the support 3, and rear end cap 4 cooperates with support 3 seams, connects with bolt; Rotor 2 rear bearings 5 are inserted in the dead eye of rear end cap 4, and the fore bearing 7 of front end housing 6 cover upper rotor parts 2 cooperates with support 3 seams again, and bolt connects; See Fig. 1, Fig. 5, Fig. 8, Fig. 9, pack in the gear hole 15 of front end housing 6 and be with the reduction gearing 9 of output shaft 8, slow down, the speed drop of rotor 2 is low to moderate 2600-3000 rev/min or 1300-1500 rev/min, so that supporting with agricultural machinery by reduction gearing 9.See Fig. 4, Fig. 5, front end housing 6 end faces have fresh air inlet 14, see Fig. 6, Fig. 7, and rear end cap 4 end faces have exhaust vent 17, and internal fan 12 is contained on the rotor 2, can realize the motor interior air circulation like this, reaches the effect of radiating and cooling.The brush of installing by the installing hole on the support 3 13 10 contact connection circuit, the rotation of realization motor with the commutator 11 on the rotor 2.

Claims

1, agricultural machinery A.C. series motor, it comprises support (3), rotor (2), stator (1), front end housing (6), rear end cap (4), it is characterized in that: described rotor (2), stator (1) are for exchanging series excitation type; Support (3) endoporus is an eccentric orfice, front end housing (6) is provided with eccentric gear hole (15) and dead eye (16), rear end cap (4) is provided with eccentric dead eye, output shaft (8) is by gear (9) engagement on the gear (9) on the front end housing (6) and the rotor (2), and brush (10) assembly contacts with commutator (11) on the rotor (2) by the installing hole (13) on the support (3).

2, agricultural machinery A.C. series motor according to claim 1 is characterized in that: described rotor (2) adopts phase-wound rotor.

3, agricultural machinery A.C. series motor according to claim 1, it is characterized in that: also be provided with radiator fan (12) on the described rotor, this fan is realized the inner-cooled heat radiation by the exhaust vent on the fresh air inlet (14) on the front end housing (6) or support front bottom end fresh air inlet, the rear end cap (17).

4, agricultural machinery A.C. series motor according to claim 1 is characterized in that: described output shaft rotating speed is 2600-3000 rev/min or 1300-1500 rev/min.