Table 1 Nomenclature of parameters in theoretical modeling.

F_a

Lock force attenuation values of one set of docking lock

L_b

Deformation of lock box

F_d

Force attenuation value of disc spring

E_d

Equivalent deformation coefficient of disc spring

F_s

Force attenuation value of hook

E_s

Equivalent deformation coefficient of hook

F_p

Force attenuation value of eccentric sleeve

E_p

Equivalent deformation coefficient of eccentric sleeve

F_b

Force attenuation value of lock box

FR_d

Force attenuation value caused by stress relaxation of disc spring

L_d

Deformation of disc spring

FR_s

Force attenuation value caused by stress relaxation of lock hook

L_s

Deformation of hook

FR_p

Force attenuation value caused by stress relaxation of eccentric sleeve

L_p

Deformation of eccentric sleeve