Fire working actuator
A fire-operating actuator and gunpowder technology, which is applied to weapon accessories, fuzes, offensive equipment, etc., can solve the problems of no status indication function, large structure size, and inability to judge the reliable function of the actuator.
Pending Publication Date: 2020-03-10
孝感定原电子科技有限公司
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Problems solved by technology
[0002] The traditional typical piston actuator sealing method adopts "O" type sealing ring to ensure the sealing performance, and adopts the shear pin structure for thrust design, the structure size is relatively large, and there is no status indication function
Especially when the actuator is installed inside some devices as a driving part, in many cases it is impossible to judge whether the actuator works reliably
Method used
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0021] A preferred embodiment of a pyrotechnic actuator, such as figure 1 As shown, it is characterized in that it includes:
[0022] The ignition component 1 is a semiconductor bridge ignition component;
[0023] The electrothermal sensitive propellant 2 is lead trinitroresorcinol;
[0024] The piston 3 is a stepped structure consisting of two large and small cylinders. One end of t...
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The invention discloses a fire working actuator and belongs to the technical field of actuators. The fire working actuator comprises an ignition assembly, electric heat sensitive ignition explosive, apiston, a gasket, an O-shaped seal ring, a pressing block, clamping heads, clamping pins, a tube shell and sealant. One end of the ignition assembly is fixed into the electric heat sensitive ignitionexplosive and is in sealed connection with the tube shell; the electric heat sensitive ignition explosive fills in a cylindrical explosive chamber of the piston; the effect that the actuator is locked in an original position is guaranteed through the gasket; when the clamping pin is fixed to the tube shell, the circumferential surface of the clamping pin is coated with insulating paint; and the two clamping pins are separated from each other. During actuating, the ignition assembly ignites the electric heat sensitive ignition explosive, a large amount of gas is generated, the piston is pushedto generate reliable thrust in short time, forward movement is performed by overcoming the resistance of the gasket, the clamping pins are matched with the slopes of the clamping heads, after the actuator moves in place, the clamping heads make contact with the clamping pins, the two clamping pins are connected, and the clamping pins and the clamping heads are mutually self-locked. The fire working actuator has the functions of in-place reliable self-locking and state indicating and is good in application prospect.
Description
technical field [0001] The invention relates to the technical field of actuators, in particular to a pyrotechnic-driven piston actuator. Background technique [0002] The traditional typical piston actuator sealing method adopts "O" type sealing ring to ensure the sealing performance, and adopts the shear pin structure for thrust design, the structure size is relatively large, and there is no status indication function. Especially when the actuator is installed inside some devices as a driving part, in many cases it is impossible to judge whether the actuator works reliably. Contents of the invention [0003] In view of the above defects or improvement needs of the prior art, the object of the present invention is to provide a pyrotechnic actuator, which has the advantages of simple structure, good sealing performance, self-locking in place, and status indication function. [0004] In order to achieve the above object, the present invention adopts the following technical ...
Claims
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Login to View More IPC IPC(8): F42C15/184
CPCF42C15/184
Inventor 刘鹏飞
Owner 孝感定原电子科技有限公司