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以下是關(guān)于錐形電機的介紹：

- 結(jié)構(gòu)組成：主要由定子、錐形轉(zhuǎn)子、壓縮彈簧、前蓋、后蓋、風扇制動輪、制動環(huán)等組成。定子通常采用三相繞組結(jié)構(gòu)，由鐵芯和線圈組成，鐵芯為錐形，線圈固定其上；轉(zhuǎn)子一般為永磁體結(jié)構(gòu)，呈截錐形，在兩端伸出小直徑端和大直徑端轉(zhuǎn)子轉(zhuǎn)軸。?

- 工作原理：定子通以三相交流電后，產(chǎn)生旋轉(zhuǎn)磁場和軸向磁拉力。在軸向磁拉力作用下，電機轉(zhuǎn)子克服彈簧壓力，使風扇制動輪上的制動環(huán)脫開后端蓋，電機便旋轉(zhuǎn)。斷電時軸向磁拉力消失，在彈簧壓力作用下，制動輪剎緊后端蓋實現(xiàn)制動。

- 型號表示：如ZDY11-4 0.8KW，ZD、ZDY代表錐形轉(zhuǎn)子制動三相異步電動機，***位數(shù)字代表機座號，第二位數(shù)字代表鐵心長度，第三位數(shù)字代表電機極數(shù)，第四位數(shù)字代表電機功率（KW）。

- 應(yīng)用領(lǐng)域：廣泛應(yīng)用于電動葫蘆、卷揚機等起重設(shè)備，以及機械制造、冶金、化工、建筑、輕工、電力等行業(yè)的起重機、輸送機、冷卻塔、風機、泵站等機械設(shè)備，可實現(xiàn)減速、制動和定位等功能。

- 常見故障及原因

- 繞組嚴重過熱：定、轉(zhuǎn)子間氣隙過大，使空載電流增大；定子偏心使電機運轉(zhuǎn)輕摩擦。

- 電機起動困難或帶負載時轉(zhuǎn)速較額定值低：空載時起動困難可能是制動環(huán)與剎車面銹死、電源電纜線太細、彈簧壓力過大或轉(zhuǎn)子與定子鐵芯運轉(zhuǎn)時相擦等原因?qū)е?；負載時起動困難或轉(zhuǎn)速低可能是電機負載過大、起動轉(zhuǎn)矩過低或轉(zhuǎn)子導條有裂紋或端環(huán)開裂等原因引起。

- 電機制動下滑：制動環(huán)磨損致使制動輪與剎車面間隙過大；彈簧壓力過小或壓力彈簧疲勞；制動環(huán)松動、受潮或有油污等。

The following is an introduction to conical motors:

-Structural composition: mainly composed of stator, conical rotor, compression spring, front cover, rear cover, fan brake wheel, brake ring, etc. The stator usually adopts a three-phase winding structure, consisting of an iron core and a coil. The iron core is conical and the coil is fixed on it; The rotor is generally a permanent magnet structure with a truncated cone shape, and the rotor shaft extends from the small diameter end and the large diameter end at both ends. ?

-Working principle: When the stator is supplied with three-phase AC power, it generates a rotating magnetic field and axial magnetic pulling force. Under the action of axial magnetic tension, the motor rotor overcomes the spring pressure, causing the brake ring on the fan brake wheel to detach from the rear cover, and the motor rotates. When the power is cut off, the axial magnetic pulling force disappears, and under the action of spring pressure, the brake wheel tightens the rear cover to achieve braking.

-Model representation: For example, ZDY11-4 0.8KW, ZD and ZDY represent cone-shaped rotor brake three-phase asynchronous motors, the first digit represents the machine base number, the second digit represents the iron core length, the third digit represents the number of motor poles, and the fourth digit represents the motor power (KW).

-Application areas: Widely used in lifting equipment such as electric hoists and winches, as well as mechanical equipment such as cranes, conveyors, cooling towers, fans, and pump stations in industries such as machinery manufacturing, metallurgy, chemical engineering, construction, light industry, and power. It can achieve functions such as deceleration, braking, and positioning.

-Common faults and causes

-Serious overheating of the winding: the air gap between the stator and rotor is too large, which increases the no-load current; The eccentricity of the stator causes light friction during the operation of the motor.

-Difficulty in starting the motor or when the speed is lower than the rated value under load: Difficulty in starting under no-load conditions may be caused by rust on the brake ring and brake surface, thin power cables, excessive spring pressure, or friction between the rotor and stator core during operation; Difficulty starting or low speed under load may be caused by excessive motor load, low starting torque, or cracks in rotor guide bars or end rings.

-Motor brake sliding: The wear of the brake ring causes excessive clearance between the brake wheel and the brake surface; The spring pressure is too low or the pressure spring is fatigued; The brake ring is loose, damp, or has oil stains.

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