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Detection stage actuating mechanism

A technology of actuator and torque output, which is applied in the field of torque monitoring structure to achieve the effect of cost saving

Active Publication Date: 2015-03-25
TIANJIN AIKETE MEASUREMENT CONTROL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is: to overcome the deficiency in the prior art that the output torque of the electric actuator cannot be accurately measured and monitored, and to provide a detection level actuator

Method used

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Experimental program
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Effect test

Embodiment 1

[0026] Such as Figure 2~4 As shown, a detection-level actuator includes a housing, a controller 303, a motor 104, a reducer 20, and a final torque output end 102 for driving the valve to open and close. The reducer 20 is connected to the motor 104 in transmission, The final torque output end 102 is connected to the output end of the speed reducer 20 through transmission, and the final torque output end 102 is fixedly covered with a torque sensor 6, and the torque data on the final torque output end 102 is obtained by the torque sensor 6, that is, the valve Running torque data, and transmit the data to the controller 303;

[0027]Specifically, the final torque output end 102 includes a valve stem joint 5 for connecting the valve, and a hub 4 fixedly sleeved outside the valve stem joint 5, and the hub 4 is fixedly connected to transmit power for driving the hub 4 to rotate. Components, the torque sensor 6 is fixed on the final torque output end 102 on the surface of the hub 4,...

Embodiment 2

[0029] Such as Figure 5 As shown, as a further improvement of Embodiment 1, a second torque sensor 302 is also included. The second torque sensor 302 is installed at the output end of the motor 104 for collecting torque data at the output end of the motor 104. The second torque sensor 302 is installed at the output end of the motor 104. The torque sensor 302 is in signal connection with the controller 303 . Utilize the second torque sensor 302 to directly obtain the output torque of the motor 104, thereby monitor the real-time state of the motor 104 output torque, and then monitor whether the running condition at the motor 104 place is normal, then two places (motor 104 output terminal and final torque output terminal 102 ) torque data, real-time monitoring of the torque transmission efficiency of the entire electric actuator can be realized.

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Abstract

The invention provides a detection stage actuating mechanism. The detection stage actuating mechanism comprises a controller, a motor, a speed reducer and a final torque output end used for driving a valve to switch on and switch off, wherein the speed reducer is connected with the motor in a transmission manner; the final torque output end is connected with the output end of the speed reducer in a transmission manner; a torque sensor is fixedly attached onto the final torque output end; the torque data of the final torque output end, namely the torque data of operation of the valve, is obtained by the torque sensor; the data is transmitted to the controller; the final torque output end is directly connected with the torque sensor; the torque data of the final torque output end is directly obtained by the torque sensor. Compared with the conventional torque detection manner, the valve torque detecting manner has the advantages that the influence on the torque detection result caused by a plurality of factors such as multistage detection error, multistage transmission efficiency loss, multistage transmission deformation and the like can be avoided; the valve torque can be directly, accurately and stably detected.

Description

technical field [0001] The invention relates to a torque monitoring structure for electric actuators with large torque output used by large valves. Background technique [0002] Most of the torque required for valve opening or closing and the entire operation process is only based on the theoretical design value as a reference, and it is generally not tested at the factory. Therefore, in the actual selection of actuators matching the valve, it is easy to have selection deviations. If the selection is too small, the valve cannot be opened and closed under actual working conditions. If the selection is too large, it will waste resources, and the second is that when the valve fails and other stagnation occurs, the torque control of the actuator will not be able to control. Cause damage to valve stems, valve discs and other valve components, leading to production accidents. The reason why valve manufacturers seldom test the torque of valves is mainly reflected in: the original...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/04F16K37/00
CPCF16K31/046F16K31/047F16K37/00
Inventor 曹式录高亮亮张丽芳王婷婷高洪庆
Owner TIANJIN AIKETE MEASUREMENT CONTROL TECH
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