A Double Spring Reaction Force Structure of Railway Signal Relay
A railway signal and relay technology, applied in the field of spring reaction force structure and double spring reaction force structure, to reduce the speed of contact, improve performance and reduce the effect of bouncing phenomenon
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[0019] As shown in the figure, the dual spring reaction force structure of this railway signal relay includes a dual spring reaction force structure composed of two outer springs 3 and inner springs 6 with different stiffnesses arranged on a square-head screw rod, and a spring fixing cover 4. The spring reaction force structure composed of the square head screw 5, the nut and the armature 1, the inner spring 6 provides the reaction force at the beginning, and the outer spring 3 and the inner spring 6 provide the reaction force together when it moves to a certain displacement.
[0020] Reference figure 1 , The armature 1 acts under the action of the attraction generated by the magnetic field and the reaction force provided by the spring reaction structure 2.
[0021] Reference figure 2 , Two outer springs 3 and inner springs 6 with different stiffnesses are used to provide the reaction force. At the beginning, only the inner spring 6 provides the reaction force. After a certain peri...
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