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Floor type circuit breaker electric propulsion mechanism

A technology of propulsion mechanism and circuit breaker, which is applied in the direction of vertically pulling and isolating switchgear, etc., which can solve the problems of laborious pushing and pushing of floor-standing circuit breakers, and achieve the effects of superior electrical performance, safe use, and small size

Active Publication Date: 2013-04-03
ANHUI LONGPO ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an electric propulsion mechanism for floor-mounted circuit breakers to solve the problem of laborious push-out of floor-mounted circuit breakers in high-voltage switch cabinets in the prior art

Method used

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  • Floor type circuit breaker electric propulsion mechanism
  • Floor type circuit breaker electric propulsion mechanism

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Embodiment Construction

[0017] Such as figure 1 , figure 2 shown. Floor type circuit breaker electric propulsion mechanism, including the gear box 07 fixed on the floor type circuit breaker, the screw rod 08 passing through the center of the gear box 07, fixed on the static car fixing frame 17 in the high voltage switch cabinet and feeding the lower end of the screw rod 08 The inserted clutch box 11 has a trapezoidal thread on the screw mandrel 08, and the gear nut 03 which is sleeved on the screw mandrel 08 and assembled with the screw mandrel 08 to form a trapezoidal thread assembly is arranged in the gear box 07, and a motor is also rotatably installed in the gear box 07. Gear 02, the motor gear 02 is driven by a DC permanent magnet motor 01 with a worm gear reducer installed on the gear box 07, and the motor gear 02 meshes with the gear nut 03 in the gear box 07;

[0018] The bottom of the clutch box 11 is a box opening, and the box opening at the bottom of the clutch box 11 is provided with a...

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Abstract

The invention discloses a floor type circuit breaker electric propulsion mechanism, which comprises a gear box fixed on a floor type circuit breaker, a lead screw which passes through the center of the gear box and a clutch box which is fixed on the static car fixed frame and penetrated by the lower end of the lead screw, wherein the gear box is provided with a gear nut which forms a trapezoidal thread screw assembly with the lead screw, and a motor gear is meshed with the gear nut in the gear box; a chuck plate is provided in a clutch box port; the center of the chuck plate is provided with a rotating keyhole; the lower part of the lead screw in turn passes through the top of the clutch box, the rotating keyhole at the center of the chuck plate and the static car fixed frame; the lead screw which is arranged in the clutch box is matched with a limit sleeve; the lead screw at the position in which a kidney-shaped hole is formed in the lead screw is glidingly arranged with a cam. A spring is connected between the top of the cam and the limit sleeve; the cam can be clamped in the rotating keyhole at the center of the chuck plate under the action of the spring. The floor type circuit breaker electric propulsion mechanism meets the requirements of modern power grids such as miniaturization, automation, intelligence and high reliability on switchgears.

Description

technical field [0001] The invention relates to the field of circuit breaker propulsion devices, in particular to an electric propulsion mechanism for a floor-standing circuit breaker. Background technique [0002] The floor-mounted circuit breakers in the existing high-voltage switchgear are manually operated, which is time-consuming and labor-intensive to use. In particular, the high-current circuit breaker itself is heavy and has a long stroke. grid requirements. Contents of the invention [0003] The purpose of the present invention is to provide an electric propulsion mechanism for a floor-standing circuit breaker to solve the problem of laborious push and release of the floor-mounted circuit breaker in the prior art high-voltage switchgear. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is: [0005] Floor type circuit breaker electric propulsion mechanism, including the gear box fixed on the floor type...

Claims

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Application Information

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IPC IPC(8): H02B11/18
Inventor 张超赵健朱文鹏朱启建万宏
Owner ANHUI LONGPO ELECTRICAL
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