CN201048337Y

CN201048337Y - Hysteresis synchronous generator

Info

Publication number: CN201048337Y
Application number: CNU2007200400368U
Authority: CN
Inventors: 顾丰乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-25
Filing date: 2007-06-25
Publication date: 2008-04-16
Anticipated expiration: 2017-06-25

Abstract

The utility model relates to a hysteresis synchronous motor, which consists of an outer cover, an enclosure and a central unit composed of a stator component and a rotor component. The stator component consists of a loop framework, a loop and an upper and lower polar plate. A gear reduction mechanism is arranged on the central shaft of the rotor component. The rotor component consists of a rotor bracket, a shaft seat arranged on the rotor bracket, a hysteresis loop, a main shaft housing and a central shaft. The central shaft is connected with the shaft hole of the main shaft housing through an upper shaft housing and a lower shaft housing and the both ends of the central shaft are connected with the shaft seat and a driving gear respectively. The main shaft housing supported on a gear case is arranged with an upper and lower polar plate on one side of the end, and the hysteresis loop is positioned on the outer flank of the upper and the lower polar plates. The enclosure is covered on the loop framework through an external polar plate and the gear case is connected with the under-part of the enclosure. The gear reduction mechanism is arranged in the gear case and a cover board is connected with the exposed end of the gear case. Based on the dimensions of the prior electric motor, the utility model can start rapidly by self, enhances the hysteresis torque and has the advantages of convenient installation and maintenance.

Description

Hysteresis synchronous motor

Technical field

The utility model relates to a kind of motor, especially relates to a kind of hysteresis synchronous motor of miniature Lundell.

Background technology

Hysteresis synchronous motor is a kind of diameter at 50 millimeters Lundells and has the small-power autosynchronous motor of split-pole short-circuited conducting sleeve, this motor mainly comprises outer cover, stator module, rotor assembly and is arranged on the gear reduction of center axle head that the magnet steel of this outer cover is to be made by hysteresis material.The rotation of motor is the effect that relies on the stator module rotating magnetic field, makes outer cover produce hysteresis torque, with motor starting and draw to synchronous operation, compares hysteresis motor with other synchronous motor and has favorable starting performance.But the outer cover of present disclosed Lundell synchronous motor is made of the outer magnet steel of central shaft, support and support, central shaft is installed in respectively on outer cover and the end plate by bearing, because the magnet steel of synchronous machine need be installed in support, and central shaft is installed in the bracket holes, cause the size of magnet steel to be placed restrictions on, and can not bring into play bigger hysteresis torque.Because the inertia of central shaft is big, starting performance is poor, and needs oriented structure in addition.Moreover, taken inconvenience to for installation and maintenance because of the bearing of supporting central shaft the inner is mounted on the outer cover.

Summary of the invention

The purpose of this utility model provides a kind of under the prerequisite of original motor size, and the express delivery starting improves hysteresis torque voluntarily, and installation and maintenance are hysteresis synchronous motor easily.

The utility model is that the technical scheme that achieves the above object is: a kind of hysteresis synchronous motor, comprise outer cover, casing, stator module, the movement that rotor assembly constitutes, described stator module comprises coil rack, coil and last bottom crown, the central shaft of rotor assembly is equipped with gear reduction, it is characterized in that: described rotor assembly comprises rotor field spider, be installed in axle bed and B-H loop and collar bush and central shaft on the rotor field spider, central shaft is connected in the axis hole of collar bush by Upper shaft sleeve and Lower shaft sleeve, and the central shaft two ends are connected with driving gear with axle bed respectively, its end one side of collar bush that is bearing on the gear box is equipped with bottom crown, and B-H loop is positioned at the outside of bottom crown, casing is coated on the coil rack by external polar plate, the bottom of casing is connected with gear box, gear reduction is arranged in the gear box, and cover plate is connected the opening end of gear box.

Central shaft of the present utility model is connected in the collar bush by upper and lower axle sleeve, and the two ends of central shaft are installed in respectively in gear box and the axle bed, and axle bed is connected with rotor field spider, last bottom crown is contained on the collar bush surely, and be positioned at B-H loop then, therefore under the prerequisite of original motor size, express delivery starting voluntarily improves hysteresis torque.This reality has a novel end with central shaft to be installed in the axle bed, makes movement part and deceleration transmission partly for the split assembling, has improved assembly technology, is easy for installation and maintenance

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

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

Fig. 2 is a sectional structure schematic diagram of the present utility model.

Fig. 3 be Fig. 1 take down the structure of cover plate schematic diagram.

Wherein: 1-outer cover, 2-rotor field spider, 3-short-circuited conducting sleeve, 4-axle bed, the 5-Upper shaft sleeve, 6-coil rack, 7-gear box, 8-collar bush, the 9-Lower shaft sleeve, 10-driving gear, 11-central shaft, 12-cover plate, the 13-I axle, 14-external polar plate, 15-II axle, 16-III axle, the 17-output shaft, 18-outer shaft, 19-internal axle sleeve, 20-casing, 21-external short circuit ring, 22-backing plate, the last bottom crown of 23-, 24-B-H loop.

Embodiment

See hysteresis synchronous motor of the present utility model shown in Fig. 1～3, comprise the movement that outer cover 1, casing 20, stator module, rotor assembly constitute.See that stator module shown in Figure 2 comprises coil rack 6, coil and last bottom crown 23, the central shaft 11 of rotor assembly is equipped with gear reduction.See shown in Figure 2, this rotor assembly comprises rotor field spider 2, axle bed 4 and B-H loop 24 and collar bush 8 and central shaft 11, axle bed 4 and B-H loop 24 are installed in respectively on the rotor field spider 2, and central shaft 11 is connected in the axis hole of collar bush 8 by Upper shaft sleeve 5 and Lower shaft sleeve 9, central shaft 11 two ends are connected with driving gear 10 with axle bed 4 respectively, collar bush 8 its end one sides that are bearing on the gear box 7 are equipped with bottom crown 23, and B-H loop 24 is positioned at the outside of bottom crown 23, the end face of stator module is equipped with the short-circuited conducting sleeve 3 of yoke up and down, the side of stator module is positioned at external polar plate 14 sides and is provided with external short circuit ring 21, casing 20 is coated on the coil rack 6 by external polar plate 14, outer cover 1 is connected with casing 20, is provided with backing plate 22 between the coil rack 6 of stator module and the last bottom crown 23.

See Fig. 2, shown in 3, the bottom of casing 20 is connected with gear box 7, gear reduction is arranged in the gear box 7, this gear reduction is by the driving gear 10 that is installed on the central shaft 11, be installed in the I axle 13 between gear box 7 and the cover plate 12 respectively, II axle 15, III axle 16 and output shaft 17 and each reduction gearing that is installed on each constitute the level Four deceleration transmission, this gear box 7 is provided with through hole, and cover plate 12 is provided with corresponding detent, I axle 13, II axle 15, III axle 16 is installed in respectively in the detent of the through hole of gear box 7 and cover plate 12, install and fix each, and output shaft 17 is installed on the through hole of the through hole of gear box 7 and cover plate 12 by internal axle sleeve 19 and outer shaft 18 respectively, the opening end of gear box 7 has loop, cover plate 12 is installed on the loop of gear box 7, and on the gear box 7 three are crimped on the cover plate 12 with upper protruding block, cover plate 12 are connected the opening end of gear box 7.

Claims

1. hysteresis synchronous motor, comprise outer cover (1), casing (20), stator module, the movement that rotor assembly constitutes, described stator module comprises coil rack (6), coil and last bottom crown (23), the central shaft of rotor assembly (11) is equipped with gear reduction, it is characterized in that: described rotor assembly comprises rotor field spider (2), be installed in axle bed (4) and B-H loop (24) and collar bush (8) and central shaft (11) on the rotor field spider (2), central shaft (11) is connected in the axis hole of collar bush (8) by Upper shaft sleeve (5) and Lower shaft sleeve (9), and central shaft (11) two ends are connected with driving gear (10) with axle bed (4) respectively, its end one side of collar bush (8) that is bearing on the gear box (7) is equipped with bottom crown (23), and B-H loop (24) is positioned at the outside of bottom crown (23), casing (20) is coated on the coil rack (6) by external polar plate (14), the bottom of casing (20) is connected with gear box (7), gear reduction is arranged in the gear box (7), and cover plate (12) is connected worn-out mouthful of end of gear box (7).

2. hysteresis synchronous motor according to claim 1 is characterized in that: the end face of described stator module is equipped with the short-circuited conducting sleeve (3) of yoke up and down, and the side of stator module is positioned at external polar plate (14) side and is provided with external short circuit ring (21).

3. hysteresis synchronous motor according to claim 1 is characterized in that: be provided with backing plate (22) between coil rack of described stator module (6) and the last bottom crown (23).

4. hysteresis synchronous motor according to claim 1 is characterized in that: described gear reduction is by being installed in driving gear (10) on the central shaft (11), being installed in I axle (13), II axle (15), III axle (16) and the output shaft (17) between gear box (7) and the cover plate (12) respectively and each reduction gearing of being installed on each constitutes level Four deceleration transmission.

5. hysteresis synchronous motor according to claim 1, it is characterized in that: described gear box (7) is provided with through hole, cover plate (12) is provided with corresponding detent, and I axle (13), II axle (15), III axle (16) are installed in the detent of the through hole of gear box (7) and cover plate (12).

6. hysteresis synchronous motor according to claim 1 is characterized in that: described output shaft (17) is installed on the through hole of the through hole of gear box (7) and cover plate (12) by internal axle sleeve (19) and outer shaft (18) respectively.

7. hysteresis synchronous motor according to claim 1, it is characterized in that: the opening end of described gear box (7) has loop, cover plate (12) is installed on the loop of gear box (7), and on the gear box (7) three are crimped on the cover plate (12) with upper protruding block.