Full-automatic switching mechanism for manual and electric operation of electric actuating mechanism
An electric actuator and electric operation technology, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of unfavorable normal operation of the actuator and complex structure of the actuator
Inactive Publication Date: 2013-02-06
常州电站辅机股份有限公司
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Problems solved by technology
[0006] The purpose of the present invention is to provide a fully automatic switching mechanism for manual and electric operation of electric actuators to solve the need for manual operation in the existence of full manual switching and semi-automatic switching, or it is very unfavorable to ensure the normal operation of the actuator, or cause execution The issue of complex institutional structures
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[0019] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0020] like figure 1 and figure 2 As shown, this embodiment provides a fully automatic switching mechanism for manual and electric operation of an electric actuator, including a motor 1, a rotor shaft 2, an electric worm 4, an electric worm gear, a hand wheel 7, a manual worm 5, and a planetary gear 13 Reducer and output shaft 8, the planetary gear 13 The reducer includes an electric worm gear, an internal gear 11, a planetary gear 13, a pin 12 and a planet carrier 10, the rotor shaft 2 is connected to the electric worm 4 through a flat key-3 , the hand wheel 7 is connected to the manual worm 5 through a flat key 2 6, the planet carrier 10 is connected to the output shaft 8 through a flat key 3 9, the external teeth of the internal gear 11 are manual worm gears, and the manual worm gear is connected with The manual worm 5 is a self-locki...
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The invention provides a full-automatic switching mechanism for the manual and electric operation of an electric actuating mechanism. The full-automatic switching mechanism comprises a motor, a rotor shaft, an electric worm, an electric worm wheel, a hand wheel, a manual worm, a planetary gear reducer and an output shaft, wherein the planetary gear reducer comprises the electric worm wheel, an internal gear, a planetary gear, a pin and a planet carrier; the rotor shaft is connected with the electric worm through a flat key 1; the planet carrier is connected with the output shaft through a flat key 3; and an outer gear of the internal gear is a manual worm wheel. The full-automatic switching mechanism can be operated electrically and manually, and the switching between manual operation and electrical operation is performed in a full automation manner without a switching handle. When the manual operation is performed, the hand wheel is rotated directly to drive the output shaft to rotate; and when a power supply is energized, the motor rotates, i.e. the electrical operation is performed. Therefore, the actuating mechanism can perform the manual operation and the electrical operation conveniently without the switching.
Description
technical field [0001] The invention relates to a fully automatic switching mechanism, in particular to a fully automatic switching mechanism used for manual and electric operation of an electric actuator. Background technique [0002] In general, electric actuators are operated electrically, but manual operation is still necessary in the event of a system accident or during commissioning. Therefore, electric actuators have handwheel operating mechanisms. In this way, there is a problem of switching between manual and electric, that is, a manual and electric switching mechanism. According to the function, the manual and electric switching mechanism can be divided into three forms: full manual switching, semi-automatic switching and fully automatic switching. [0003] The so-called full manual switching means that the electric actuator is switched from electric operation to manual operation and from manual operation to electric operation, both of which need to be manually...
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IPC IPC(8): H02K7/116F16H37/04
Inventor 徐洁糜建立刘勇
Owner 常州电站辅机股份有限公司