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Electric angular-travel actuator

An electric actuator, angular stroke technology, applied in the direction of engine components, mechanical equipment, valve details, etc., can solve the problems of insufficient function, large volume, unfavorable installation, debugging and maintenance of valve users, and achieve simple structure and small volume. , beautiful appearance

Inactive Publication Date: 2013-02-06
常州电站辅机股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, some quarter-turn electric actuators were large in size, and some functions were not comprehensive enough, which was not conducive to the installation, commissioning and maintenance of valve users on site.

Method used

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Embodiment Construction

[0019] The preferred technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] As shown in the figure, the angular stroke electric actuator of the present invention includes a box body 2, a box cover 9 is fixedly connected above the box body 2, a brake motor 11 is arranged below the box cover 9, and the brake motor 11 The motor pinion shaft 7 drives the gear 5 to rotate, the gear 5 drives the planetary reduction mechanism to move 4, the planetary reduction mechanism 4 drives the output shaft gear 3 to rotate, and the output shaft gear 3, the gear 5 and the planetary reduction mechanism 4 are all installed On the long axis 6, a spline sleeve 1 is installed in the shaft-out gear 3, and a striker pin 15 is arranged at a position corresponding to the shaft-out gear 3 on the side wall of the box body 2. 3 is provided with two planes adapted to the striker pin 15, the worm 17 is located on the peripheral si...

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Abstract

The invention discloses an electric angular-travel actuator which comprises a box. A box cover is fixedly connected onto the upper portion of the box, a braking motor is arranged below the box cover, the braking motor drives a gear to rotate by a motor gear shaft, the gear drives a planet reducing mechanism to move, the planet reducing mechanism drives a shaft extension gear to rotate, a bumper pin is arranged at a position, corresponding to the shaft extension gear, on the side wall of the box, two planes fitted to the bumper pin are arranged on the shaft extension gear, and a worm is located at the side of the periphery of the shaft extension gear to form an angle of 90 DEG with the shaft extension gear. The electric angular-travel actuator is suitable for an open-loop control system and a closed-loop control system in industrial process and can precisely control a valve and an air door reliably. The electric angular-travel actuator has the advantages of small size, light weight, multifunctionality, simplicity in mounting and wiring, convenience in maintenance, attractive appearance and the like and is widely applicable to industries of metallurgy, power, petrification, water treatment and the like.

Description

technical field [0001] The invention relates to an angular stroke electric actuator for opening and closing butterfly valves, ball valves, dampers and other 90° angular stroke valves. Background technique [0002] For petroleum systems, sewage treatment, pipeline ventilation and other fields, butterfly valves, ball valves, dampers and other 90° angle-stroke valves are often used, which requires an angle-stroke electric actuator that can accurately and reliably open and close these valves. In the past, some quarter-turn electric actuators were large in size, and some functions were not comprehensive enough, which was not conducive to the installation, commissioning and maintenance of valve users on site. How to develop a quarter-stroke electric actuator with beautiful appearance and comprehensive functions has always been the goal pursued by technicians. Contents of the invention [0003] The purpose of the present invention is to provide a quarter-stroke electric actuator...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/04F16K31/53F16K31/60
Inventor 徐洁蒋亚培杨俊刘勇
Owner 常州电站辅机股份有限公司
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