Electric executer
A technology for electric actuators and electrical appliances, which is applied to engine components, valve details, valve operation/release devices, etc., and can solve the problems that high-end actuators cannot meet needs, unreasonable design structures, and reduced actuator reliability. To achieve the effect of convenient installation, reasonable structure and improved protection level
Inactive Publication Date: 2009-10-07
KUNSHAN CHICHENG TECH IND CO LTD
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Problems solved by technology
[0002] Electric actuators are widely used, and their performance directly affects the development of the industry, product quality and economic benefits. The electric actuators of the prior art, due to the particularity of their working environment and the unreasonable design structure, the actuators in the In the application of controlling various valves, the accuracy of control is getting worse with the prolongation of the working time, and the reliability of the actuator is also showing a downward trend with the prolongation of the working time
As a result, the electric actuators in the prior art have the problems of poor reliability and low precision
Especially high-end actuators cannot meet the needs of key equipment in many key industries
Method used
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[0018] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
[0019] like figure 1 As shown, an electric actuator of the present invention includes an aluminum base 13, an aluminum mounting base 12, an electrical safety cover 15, a gear reduction host 8, a main shaft 16, an upper disc-shaped pressure spring 1, a lower disc-shaped pressure spring 17. The micro switch driving device 20, the upper micro switch 4 and the lower micro switch 6, etc.
[0020] The bottom of the aluminum frame 13 is embedded in the main shaft bearing 21, the main shaft 16 passes through the main shaft bearing 21 to the base bearing 11 embedded in the aluminum mounting base 12, and the main shaft 16 above the main shaft bearing 21 is sequentially inserted into the lower disc pressure Spring 17, main shaft gear 19, micro switch driving device 20 and upper disc type pressure spring 1; The dynamic switch adjustment nut 9 and the lower micro switch ad...
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The invention relates to an electric executer which comprises an aluminum executer frame, an aluminum installation base and an electric appliance safety hood. A main shaft bearing is embedded in the bottom of the aluminum executer frame; a main shaft passes through the main shaft bearing to a base bearing embedded in the aluminum installation base; a lower disc-type pressure spring, a main shaft gear, a microswitch driving device and an upper disc-type pressure spring are sequentially sheathed and installed on the main shaft above the main shaft bearing. The microswitch driving device on the main shaft is meshed with a connecting shaft of the microswitch driving device; and the connecting shaft of the microswitch driving device is provided with an upper mircroswitch adjusting nut and a lower mircroswitch adjusting nut, wherein the upper mircroswitch adjusting nut is connected and matched with an upper microswitch and the lower mircroswitch adjusting nut is connected and matched with a lower microswitch. A gear reducing host is installed on the aluminum installation base; a host transmission shaft passes through the aluminum installation base and is movably provided with a transmission gear; and the transmission gear and the main shaft gear are separated and meshed by a clutch which passes through the aluminum executer frame and is installed on the aluminum executer frame.
Description
technical field [0001] The present invention relates to an actuator, and more specifically relates to an electric actuator mainly used to control various needs of various valves in the field of industrial automation for the purpose of precise control. Background technique [0002] Electric actuators are widely used, and their performance directly affects the development of the industry, product quality and economic benefits. The electric actuators of the prior art, due to the particularity of their working environment and the unreasonable design structure, the actuators in the In the application of controlling various valves, the accuracy of control is getting worse with the prolongation of the working time, and the reliability of the actuator is also showing a downward trend with the prolongation of the working time. As a result, the electric actuators in the prior art have the problems of poor reliability and low precision. Especially high-end actuators cannot meet the ne...
Claims
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IPC IPC(8): F16K31/04F16K31/53
Inventor 沙肓明
Owner KUNSHAN CHICHENG TECH IND CO LTD