Manual switching device of electric actuator

An electric actuator, manual switching technology, applied in the direction of mechanical drive clutches, clutches, intermeshing clutches, etc., can solve the problems that are prone to danger, the adjustment position accuracy of cam parts cannot be guaranteed, and achieve the effect of ensuring safety.

Inactive Publication Date: 2016-09-07
TIANJIN JINDA ACTUATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing manual switching device, the accuracy of the adjustment position of the cam component cannot be guaranteed, which leads to dangers in the operation process

Method used

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  • Manual switching device of electric actuator
  • Manual switching device of electric actuator
  • Manual switching device of electric actuator

Examples

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Embodiment Construction

[0017] In order to further understand the content of the invention, characteristics and effects of the present invention, the following examples are described in detail as follows:

[0018] see figure 1 and figure 2 , the present invention includes a manual shaft 2 with a handle on the upper end, the manual shaft 2 is sleeved with a manual shaft seat 1, a shift fork 7 with a boss on the edge of the upper end surface, and a cam component 3 from top to bottom; The lower end surface of the seat 1 is provided with an arc-shaped groove 12 for the rotation of the shift fork 7 bosses and can limit the angle of rotation of the bosses. The distances match; a torsion spring 11 is set between the manual shaft seat 1 and the shift fork 7, one end of the torsion spring 11 is fixed to the manual shaft seat 1, and the other end is fixed to the boss.

[0019] In the present invention, an arc-shaped groove 12 is processed on the lower end surface of the manual rotating shaft seat 1. The arc...

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Abstract

The invention belongs to the technical field of electric actuating mechanisms and particularly relates to a manual switching device of an electric actuator. The manual switching device comprises a manual rotary shaft, and a handle is arranged at the upper end of the manual rotary shaft. The manual rotary shaft is sequentially sleeved with a manual rotary shaft base, a shifting fork and a cam component from top to bottom, and a boss is arranged on the edge of the upper end face of the shifting fork. An arc-shaped groove is formed in the lower end face of the manual rotary shaft base, the boss of the shifting fork rotates in the arc-shaped groove, and the rotating angle of the boss is limited through the arc-shaped groove. A torsional spring is arranged between the manual rotary shaft base and the shifting fork, one end of the torsional spring is fixed to the manual rotary shaft base, and the other end of the torsional spring is fixed to the boss. According to the manual switching device of the electric actuator, the spatial structure design is reasonable, using is convenient, lifting and positioning of the cam component are accurate, and the safety performance is high.

Description

technical field [0001] The invention belongs to the technical field of electric actuators, and in particular relates to a manual switching device for electric actuators. Background technique [0002] An actuator is a drive device that provides linear or rotary motion. It uses a certain driving energy and works under a certain control signal. It is divided into electric, pneumatic, hydraulic or other energy actuators according to the energy used. Among them, the electric actuator has the advantages of convenient and easy access to energy, fast signal transmission speed, and long signal transmission distance, and its accuracy and sensitivity are relatively high, and it is convenient to cooperate with other electric adjustment instruments and easy to operate; The output torque or thrust is basically constant, which can better overcome the unbalanced force of the medium and ensure the precise control of relevant process parameters. Compared with other forms of controllers, its c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D11/14
CPCF16D11/14
Inventor 庞地张中远郝家智吴健
Owner TIANJIN JINDA ACTUATOR CO LTD
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