Single arm pantograph with ternary system structure
A pantograph and single-arm technology, applied in the field of pantographs, to achieve the effects of dispersing the quality of the bow head, reducing the quality of the calculation, and improving the followability
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Embodiment 1
[0021] As a preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:
[0022] Three-element structure single-arm pantograph, including base frame, lifting bow spring 1, lower arm assembly 2, upper arm assembly 3 and bow head assembly 4, said bow head assembly 4 includes bow head bracket 6, micro Moving spring 7, connection frame 8, return spring 9, skateboard bracket 10 and slide plate 5, the bow bracket 6 is used to connect with the upper end of the upper arm assembly, and the micro-motion spring 7 is arranged on the bow bracket 6 and the connection frame 8 Among them, the return spring 9 is arranged between the connection frame 8 and the skateboard support 10; the slide plate 5 is fixed on the slide support 10; the displacement of the micro-motion spring 7 and the return spring 9 are the same. The displacement of described fretting spring 7 and recovery spring 9 is identical, specifically refers to:
[0023] The displ...
Embodiment 2
[0034] As another preferred embodiment of the present invention, with reference to the attached Figure 1-4 , this example discloses:
[0035] Three-element structure single-arm pantograph, including base frame, lifting bow spring 1, lower arm assembly 2, upper arm assembly 3 and bow head assembly 4, said bow head assembly 4 includes bow head bracket 6, micro Moving spring 7, connection frame 8, return spring 9, skateboard bracket 10 and slide plate 5, the bow bracket 6 is used to connect with the upper end of the upper arm assembly, and the micro-motion spring 7 is arranged on the bow bracket 6 and the connection frame 8 Among them, the return spring 9 is arranged between the connection frame 8 and the skateboard support 10; the slide plate 5 is fixed on the slide support 10; the displacement of the micro-motion spring 7 and the return spring 9 are the same. The coefficient of elasticity of the fretting spring 7 and the recovery spring 9 satisfies, K1 / K2=m1 / (2m1+m2); K2 repr...
Embodiment 3
[0038] As another preferred embodiment of the present invention, with reference to the attached Figure 1-4 , this example discloses:
[0039] Three-element structure single-arm pantograph, including base frame, lifting bow spring 1, lower arm assembly 2, upper arm assembly 3 and bow head assembly 4, said bow head assembly 4 includes bow head bracket 6, micro Moving spring 7, connection frame 8, return spring 9, skateboard bracket 10 and slide plate 5, the bow bracket 6 is used to connect with the upper end of the upper arm assembly, and the micro-motion spring 7 is arranged on the bow bracket 6 and the connection frame 8 Between, the return spring 9 is arranged between the connecting frame 8 and the skateboard support 10; the slide plate 5 is fixed on the slide support 10; the displacement of the micro-motion spring 7 and the return spring 9 are the same; the slide plate 5 It includes several skateboard parts 11 and auxiliary skateboards 12 arranged at both ends of the skate...
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